Enterasys C5G124-24 Configuration manual

Enterasys

Fixed Switching

Configuration Guide

Firmware 6.61.xx and Higher

P/N 9034662-02

Notice

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Part Number: 9034662-02 October 2012

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Contents

Chapter 1: Setting Up a Switch for the First Time

Before You Begin ...........................................................................................................................................1-1

Connecting to the Switch .............................. ... ... ... ... .... ... ... ... .... ... ... ... ............................................................1-2

Downloading New Firmware ........................................................................................................................... 1-3

Deleting a Backup Image File .................................................................................................................. 1-5

Additional Configuration Tasks ........................... ... ... .... ... ... ... .... ... ... ... .... ... ... ... ...............................................1-5

Setting User Accounts and Passwords ........... ... .... ... ... ... .... ... ... ... .... ... ... ... ... .... ... ..................................... 1-5

Controlling In-band Access to the Switch .................................................................................................1-6

Changing SNMP Defaults ........................................................................................................................1-7

Saving the Configuration and Connecting Devices ........................................................................................ 1-7

Configuring a Stack of New Switches ............................................................................................................. 1-8

Where to Go Next ...........................................................................................................................................1-9

Getting Help ..................................................................................................................................................1-10

Downloading Firmware via the Serial Port ................................................................................................... 1-10

Chapter 2: Configuring Switches in a Stack

About Switch Operation in a Stack ................................................................................................................. 2-1

Stack Initialization ........ ... ... ... .... ... ... ... .... ... ... ... ... ....................................... ... .... ... ... ... .... ...........................2-1

Configuration Management ... .... ... ....................................... ... ... ... .... ... ... ... ... .... ... ... ... .... ... ........................2-2

Installing a New Stackable System of Up to Eight Units ................................................................................ 2-2

Installing Previously-Configured Systems in a Stack .....................................................................................2-3

Adding a New Unit to an Existing Stack .........................................................................................................2-3

Removing Units from an Existing Stack ......................................................................................................... 2-4

Stack Disruption Times ............................................. ... ... .... ... ... ... .... ........................................................2-4

Creating a Virtual Switch Configuration .......................................................................................................... 2-4

Example ...................................................................................................................................................2-5

Considerations About Using “clear config” in a Stack ............................... ... ... ... .... ... ... ... .... ...........................2-5

Configuring Standalone A4 Stack Ports .........................................................................................................2-6

When Uplink Ports are Configured as Ethernet Ports ............ .... ... ... ... ... .... ... ... ..................................2-6

Chapter 3: CLI Basics

Switch Management Methods ............................... ... .... ... ... ............................................................................3-1

Using the Command Line Interface ................................................................................................................3-1

Starting a CLI Session ............................................................................................................................. 3-1

Connecting Using the Console Port ...................................................................................................3-2

Connecting Using Telnet or SSH............ ... ... .... ... ... ....................................... ... ... .... ... ... ... ... .... ... ........3-2

Logging In ................................................................................................................................................3-3

Using a Default User Account ............................................................................................................3-3

Using an Administratively Configured User Account..........................................................................3-3

Clearing and Closing the CLI ................................................................................................................... 3-3

Navigating the Command Line Interface ..................................................................................................3-3

Getting Help with CLI Syntax..............................................................................................................3-3

CLI Command Defaults Descriptions .................................................................................................3-3

CLI Command Modes.........................................................................................................................3-4

Performing Keyword Lookups ................................ ... .... ... ... ... .... ... ... ..................................................3-4

Displaying Scrolling Screens..............................................................................................................3-5

Abbreviating and Completing Commands..........................................................................................3-5

Basic Line Editing Commands............................................................................................................3-6

Configuring CLI Properties ............................................................................................................................. 3-6

Example CLI Properties Configuration ..................................................................................................... 3-7

CLI Properties Display Commands ..........................................................................................................3-7

Chapter 4: System Configuration

Factory Default Settings ................................................................................................................................. 4-1

Initial Configuration Overview .........................................................................................................................4-5

Advanced Configuration Overview .................................................................................................................4-6

Licensing Advanced Features ............................ ... ... .... ... ... ... .... ... ... ...............................................................4-8

License Implementation Differences ...................... ................................................................ ..................4-8

Node-Locked Licensing......................................................................................................................4-9

Non-Node-Locked Licensing ..............................................................................................................4-9

Licensing in a Stack Environment ... ... .... ... ... ... .........................................................................................4-9

Applying Node-Locked Licenses in a Stack .....................................................................................4-10

Applying Non-Node-Locked Licenses in a Stack..............................................................................4-10

Adding a New Member to a Licensed Stack.....................................................................................4-11

Displaying and Clearing Licenses ..........................................................................................................4-11

SNTP Configuration ...................................................................................................................................... 4-11

Unicast Polling Mode ......... ... .... ... ... ... .... ...................................... .... ... ... ... ... .......................................... 4-12

Broadcast Listening Mode ......................................................................................................................4-12

SNTP Authentication ..............................................................................................................................4-12

Authentication Key and Trusted Key List..........................................................................................4-12

SNTP Defaults .......................................................................................................................................4-13

Configuring SNTP ..................................................................................................................................4-13

SNTP Configuration Example ................................................................................................................ 4-15

DHCP Configuration ..................................................................................................................................... 4-16

DHCP Relay Agent ................................................................................................................................ 4-16

DHCP Server .........................................................................................................................................4-16

IP Address Pools .................................... ... ... ... ....................................... ... ... .... ... ... ... .............................4-17

Automatic IP Address Pools.............................................................................................................4-17

Manual IP Address Pools .................................................................................................................4-17

Configuring a DHCP Server ...................................................................................................................4-17

DHCP Configuration on a Non-Routing System...............................................................................4-18

DHCP Configuration on a Routing System.......................................................................................4-18

Managing and Displaying DHCP Server Parameters ..... .... ... ... ... .... ... ... ... ... .... ... ... ... .... ... ...... ... .... ... ... ... 4-20

DHCP Server Defaults ...........................................................................................................................4-20

Configuring DHCP IP Address Pools .....................................................................................................4-21

Automatic IP Address Pool Configuration ........................................................................................4-21

Manual IP Pool Configuration...........................................................................................................4-21

Configuring Additional Pool Parameters .....................................................................................4-23

Telnet Overview ............................................................................................................................................4-23

Configuring Telnet ..................................................................................................................................4-24

SSH Overview .......................... ... .... ... ....................................... ... ... ... ..........................................................4-24

Configuring SSH ....................................................................................................................................4-24

MAC Address Settings .................................................................................................................................4-24

Age Time ................................................................................................................................................4-24

Limiting MAC Addresses to Specific VLANs ..........................................................................................4-25

Setting the MAC Algorithm Mode . ... ... .... ... ... ... ... .... ... ... ... .... ... ....................................... ... ... ... ... .............4-25

New MAC Address Detection .................................................................................................................4-25

Configuring Node Aliases ............................................................................................................................. 4-26

Chapter 5: User Account and Password Management

User Account Overview ......................................................... .... ...................................... .... ...........................5-1

Emergency Access User Account ... ... .... ... ... ... ... .... .................................................................................. 5-2

Account Lockout ....................................................................................................................................... 5-3

Port Lockout ..................................... ... ... ... ... .... ...................................... .... ... ... ... .... ... ........................5-3

User Account Configuration ......................................... ... .... ... ... ... .... ... ... ..................................................5-3

Password Management Overview ..................................................................................................................5-6

System Level Password Settings ............................................................................................................. 5-6

Defaults ..............................................................................................................................................5-7

System Password Settings Configuration .................... ................................................................. ...........5-8

Password Reset Button Functionality .............................................................................................................5-9

Management Authentication Notification MIB Functionality ...........................................................................5-9

Chapter 6: Firmware Image and File Management

Managing the Firmware Image ................................. .... ... ... ... .... ... ... .......................................... .....................6-1

Downloading a Firmware Image ..............................................................................................................6-1

Downloading from a TFTP or SFTP Server........................................................................................6-2

Setting the Boot Firmware .................................. .... ... ... ... .... ... ... ... ....................................... .....................6-3

Reverting to a Previous Image ................................................................................................................. 6-3

Setting TFTP Parameters ......... ... ... ... .... ... ... ....................................... ... ... ... .... ... ... ... .... ... ... ... ..................6-4

Managing Switch Configuration and Files ......................................................................................................6-4

Configuration Persistence Mode ........ ....... ... ... .........................................................................................6-4

Using an I-Series Memory Card ...............................................................................................................6-5

Memory Card Operation................................................... ... ... .... ... ... ... ... .... ... ... ... .... ...........................6-5

Displaying and Saving the Configuration and Creating a Backup ............................................................ 6-5

Displaying the Configuration...............................................................................................................6-6

Creating a Backup Configuration File.................................................................................................6-6

Applying a Saved Configuration ............................................................................................................... 6-7

Managing Files ...... ....................................... ... ... .... ... ... ... ....................................... ... .... ...........................6-8

Chapter 7: Configuring System Power and PoE

Configuring Redundant Power Supplies .........................................................................................................7-1

Power over Ethernet Overview ........................... ... ... .... ... ... ... .... ... ..................................................................7-1

Implementing PoE ....................................................................................................................................7-2

Allocation of PoE Power to Modules ............................ ............................................................................7-2

When Manual Mode is Configured .....................................................................................................7-3

Management of PoE Power to PDs .........................................................................................................7-3

Configuring PoE .............................................................................................................................................7-4

Stackable A4, B3, and C3 Devices ..........................................................................................................7-5

Stackable B5 and C5 Devices .................................................................................................................. 7-6

G-Series Devices .....................................................................................................................................7-7

Example PoE Configuration ................................................................................................................... 7-10

PoE Display Commands ........................................................................................................................7-10

Chapter 8: Port Configuration

Port Configuration Overview ..................... ......................................................................................................8-1

Port String Syntax Used in the CLI ........... ... ... ... .... ... ... ... .... ... ... ... .... ... ... ..................................................8-1

Examples............................................................................................................................................8-2

Console Port Settings .............................................................................................................................. 8-2

VT100 Terminal Mode........................................................................................................................8-3

Port Settings .............................. ... ... ....................................... ... ... .... ........................................................8-3

Port Status....................... .... ... ... ... ....................................... ... .... ... ... ... ... ............................................8-3

Port Name or Alias .................................... ... .... ... ... ....................................... ... ... .... ... ... .....................8-3

Auto-Negotiation and Advertised Ability .............................................................................................8-4

Port Speed and Duplex Mode ................................... .... ... ... ... .... ... ... ... ... .... ... ... ..................................8-4

MDI / MDIX Cable Type......................................................................................................................8-4

Port Flow Control....................... ... .... ...................................... .... ... ... ... ... .... ........................................8-5

Jumbo Frame Support........................................................................................................................8-5

Broadcast Suppression Threshold .....................................................................................................8-5

Protected Port Mode...........................................................................................................................8-6

Displaying Port Status ..............................................................................................................................8-6

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Displaying Cable Status .....................................................................................................................8-7

Configuring SFP Ports for 100BASE-FX ..................................................................................................8-7

Example..............................................................................................................................................8-8

Configuring Port Link Flap Detection ..............................................................................................................8-8

Basic Link Flap Detection Configuration .................................................................................................. 8-9

Example .................................................................................................................................................8-10

Link Flap Detection Display Commands ................................................................................................8-11

Transmit Queue Monitoring .......................................................................................................................... 8-11

Port Mirroring ............................... .... ... ... ... .... ... ....................................... ... ... ... ... .... ... ................................... 8-12

Mirroring Features ..................................................................................................................................8-12

Configuring Port Mirroring ................................................................................................................8-13

Remote Port Mirroring ............................................................................................................................8-13

Configuring Remote Port Mirroring...................................................................................................8-14

Configuring SMON MIB Port Mirroring ................................................................................................... 8-15

Procedures.......................................................................................................................................8-15

Chapter 9: Configuring VLANs

VLAN Overview .............................................................................................................................................. 9-1

Using VLANs to Partition Your Network ................................................................................................... 9-1

Implementing VLANs ...................................................................................................................................... 9-2

Preparing for VLAN Configuration ............................................................................................................ 9-3

Understanding How VLANs Operate ........................ ................................................. .....................................9-3

Learning Modes and Filtering Databases ................................................................................................9-3

VLAN Assignment and Forwarding .......................................................................................................... 9-4

Receiving Frames from VLAN Ports...................................................................................................9-4

Forwarding Decisions.........................................................................................................................9-5

Example of a VLAN Switch in Operation .................................................................................................. 9-5

VLAN Support on Enterasys Switches ...........................................................................................................9-6

Maximum Active VLANs ...........................................................................................................................9-6

Configurable Range .................................................................................................................................9-6

VLAN Types .............................................................................................................................................9-6

Static and Dynamic VLANs ................................................................................................................9-6

Port-Based VLANs .............................................................................................................................9-6

Policy-Based VLANs ..........................................................................................................................9-7

GARP VLAN Registration Protocol (GVRP) Support ...............................................................................9-7

How It Works ......................................................................................................................................9-7

Configuring VLANs ......................................................................................................................................... 9-8

Default Settings ........................................................................................................................................9-9

Configuring Static VLANs .........................................................................................................................9-9

Example Configuration .....................................................................................................................9-11

Creating a Secure Management VLAN .. ... ... ... ... .... ... ... .......................................................................... 9-11

Configuring Dynamic VLANs ..................................................................................................................9-12

Configuring Protocol-Based VLAN Classification ...................................................................................9-13

Example Configuration .....................................................................................................................9-13

Monitoring VLANs ..................................... ... ... ... ....................................... ... .... ... ... ... .... .........................9-14

Terms and Definitions ................................................................................................................................... 9-14

Chapter 10: Configuring User Authentication

User Authentication Overview ......................... ....................................... ... ... ... ... .... ... ... ... .... ... ......................10-1

Implementing User Authentication ......................................................................................................... 10-2

Authentication Methods ................................... ... .... ... ... ... .... ... ....................................... ... ... ...................10-2

IEEE 802.1x Using EAP ...................................................................................................................10-2

MAC-Based Authentication (MAC)...................................................................................................10-2

Port Web Authentication (PWA) .......................................................................................................10-3

Multi-User And MultiAuth Authentication..........................................................................................10-3

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Remote Authentication Dial-In Service (RADIUS) .................................... ... .... ... ...................................10-7

How RADIUS Data Is Used..............................................................................................................10-8

The RADIUS Filter-ID.......................................................................................................................10-8

RFC 3580 — VLAN Authorization ....................................................................................................10-8

Policy Maptable Response.............................................................................................................10-10

Configuring Authentication .........................................................................................................................10-12

Configuring IEEE 802.1x ...................................................................................................................... 10-14

Configuring MAC-based Authentication ............................................................................................... 10-15

Configuring Port Web Authentication (PWA) .......................................................................................10-16

Optionally Enable Guest Network Privileges.......................................... .... ... ... ... ...........................10-17

Configuring MultiAuth Authentication ...................................................................................................10-17

Setting MultiAuth Authentication Mode...........................................................................................10-17

Setting MultiAuth Authentication Precedence ................................................................................10-18

Setting MultiAuth Authentication Port Properties............................................................................10-18

Setting MultiAuth Authentication Timers.........................................................................................10-19

Displaying MultiAuth Configuration Information..............................................................................10-20

Configuring VLAN Authorization ..........................................................................................................10-20

Configuring RADIUS ............................................................................................................................10-21

Configuring the Authentication Server.................... ... .... ... ... ... .... ... ... ... ... .... ... ... ..............................10-21

Configuring User + IP Phone Authentication .......................................................................................10-22

Example..........................................................................................................................................10-23

Authentication Configuration Example ............................................ ... .... ... ... ... ... .... ... ................................. 10-25

Configuring MultiAuth Authentication ...................................................................................................10-26

Enabling RADIUS On the Switch ......................................................................................................... 10-26

Creating RADIUS User Accounts on the Authentication Server .......................................................... 10-26

Configuring the Engineering Group 802.1x End-User Stations ............................................................10-26

Configuring the Printer Cluster for MAC-Based Authentication ...........................................................10-27

Configuring the Public Area PWA Station .......... .... ... ... ... .... ... ... ... .... ... ... ... ... .... ... ... ... ...........................10-28

Terms and Definitions ................................................................................................................................. 10-28

Chapter 11: Configuring Link Aggregation

Link Aggregation Overview .................... ... .... ... ... ....................................... ... ... ... .... ... ... ... .... .........................11-1

Using Link Aggregation in a Network ..................................................................................................... 11-1

Implementing Link Aggregation ..............................................................................................................11-2

LACP Operation .....................................................................................................................................11-2

How a LAG Forms ..................................................................................................................................11-3

Attached Ports ................................. ... .... ... ... ... ... .... ... ....................................... ... ... ... .... .........................11-5

Single Port Attached State Rules .....................................................................................................11-7

LAG Port Parameters .............................................................................................................................11-7

Static Port Assignment .... ... ... ....................................... ... .... ... ... ... .... ... ... ... ... .......................................... 11-8

Flexible Link Aggregation Groups ..........................................................................................................11-8

Configuring Link Aggregation .......................................................................................................................11-9

Link Aggregation Configuration Example ...................................................................................................11-11

Configuring the S8 Distribution Switch ............. ... ... ... .... .................................................................11-14

Configuring the Fixed Switch Stack 1.............................................................................................11-14

Configuring the Fixed Switch Stack 2.............................................................................................11-14

Configuring the Server....................................................................................................................11-15

Terms and Definitions ................................................................................................................................. 11-15

Chapter 12: Configuring SNMP

SNMP Overview ...........................................................................................................................................12-1

Implementing SNMP .............................................................................................................................. 12-1

SNMP Concepts ...........................................................................................................................................12-2

Manager/Agent Model Components ......................................................................................................12-2

Message Functions ................................................................................................................................ 12-2

Trap Versus Inform Messages ................................................................... ... ... ... .... ... ... ... ... .... ... ......12-3

Access to MIB Objects ...........................................................................................................................12-3

Community Name Strings.................................................................................................................12-3

User-Based.......................................................................................................................................12-3

SNMP Support on Enterasys Switches ........................................................................................................12-3

Versions Supported ................................................................................................................................12-4

SNMPv1 andv2c Network Management Components .....................................................................12-4

SNMPv3 User-Based Security Model (USM) Enhancements ..........................................................12-4

Terms and Definitions ............................................................................................................................12-5

Security Models and Levels ...................................................................................................................12-6

Access Control .......................................................................................................................................12-6

Configuring SNMP ........................................................................................................................................ 12-7

Configuration Basics .................................... ... ... .... ... ... ... .... ... ... ... ..........................................................12-7

How SNMP Processes a Notification Configuration ............................................................................... 12-7

SNMP Defaults ....................................................................................................................................... 12-8

Device Start Up Configuration..........................................................................................................12-8

Configuring SNMPv1/SNMPv2c .............................................................................................................12-9

Creating a New Configuration ..........................................................................................................12-9

Adding to or Modifying the Default Configuration...........................................................................12-10

Configuring SNMPv3 ............................................................................................................................12-10

Configuring an SNMPv3 Inform or Trap Engine ID ........................................................................12-13

Configuring an SNMP View............................................................................................................12-14

Configuring Secure SNMP Community Names ...................................................................................12-15

Example..........................................................................................................................................12-17

Reviewing SNMP Settings .......................................................................................................................... 12-18

Chapter 13: Configuring Neighbor Discovery

Neighbor Discovery Overview ...................................................................................................................... 13-1

Neighbor Discovery Operation ...............................................................................................................13-1

LLDP-MED ...................................... .................................................................... ...................................13-3

LLDPDU Frames ....................................................................................................................................13-5

Configuring LLDP ......................................................................................................................................... 13-7

LLDP Configuration Commands .. .......................................................................................................... 13-7

Basic LLDP Configuration ...................................................................................................................... 13-9

Example LLDP Configuration: Time to Live......................................................................................13-9

Example LLDP Configuration: Location Information.........................................................................13-9

LLDP Display Commands ............ ... ... .... ... ....................................... ... ... ... ... .... ... ... ... .... ... ....................13-10

Configuring Enterasys Discovery Protocol .................................................................................................13-10

Enterasys Discovery Protocol Configuration Commands .................................................................... 13-10

Example Enterasys Discovery Protocol Configuration .........................................................................13-11

Enterasys Discovery Protocol Show Commands ................................... ... ... .... ... ... ... .... ... ... ... ... .... ... ... . 1 3-11

Configuring Cisco Discovery Protocol ........................................................................................................13-11

Cisco Discovery Protocol Configuration Commands ...........................................................................13-12

Example Cisco Discovery Protocol Configuration ................................................................................13-12

Cisco Discovery Protocol Configuration Commands ...........................................................................13-12

Chapter 14: Configuring Syslog

System Logging Overview ............................................................................................................................ 14-1

Syslog Operation .......................................................................................................................................... 14-2

Syslog Operation on Enterasys Devices ................................................................................................ 14-2

Filtering by Severity and Facility ........ .... ... ... ... ... .... ... ... ... .... ... ... ... .... ... ...................................................14-2

Syslog Components and Their Use ..............................................................................................................14-3

Basic Syslog Scenario ........................................................................................................................... 14-5

Interpreting Messages .................................................................................................................................. 14-6

Example .................................................................................................................................................14-6

About Security Audit Logging .......................................................................................................................14-6

Security Events Logged .........................................................................................................................14-7

Trap Generation .............. ... ... .... ... ... ... ....................................... ... .... ... ... ... ... .... ... ... ... .............................14-7

Format Examples ............ ... ... .... ...................................... .... ... ... ... .... ... ...................................................14-8

Configuring Syslog ....................................................................................................................................... 14-8

Syslog Command Precedence ...............................................................................................................14-8

About Server and Application Severity Levels ....................................................................................... 14-9

Configuring Syslog Server(s) .................................................................................................................14-9

Example............................................................................................................................................14-9

Modifying Syslog Server Defaults ........................................................................................................ 14-10

Displaying System Logging Defaults..............................................................................................14-10

Modifying Default Settings..............................................................................................................14-10

Reviewing and Configuring Logging for Applications ...........................................................................14-10

Displaying Current Application Severity Levels..............................................................................14-11

Enabling Console Logging and File Storage ............................. ... .... ... ... ... ... .... .................................... 14-11

Displaying to the Console and Saving to a File............................................................. ... ... .... .......14-11

Configuration Examples ........ .... ... ... ... .... ...................................... .... ... ... ... ... .... ... ... ... .... .......................14-12

Enabling a Server and Console Logging........................................................................................14-12

Adjusting Settings to Allow for Logging at the Debug Level ...........................................................14-12

Chapter 15: Configuring Spanning Tree

Spanning Tree Protocol Overview ................................................................................................................15-1

Why Use Spanning Trees? ....................................................................................................................15-2

Spanning Tree on Enterasys Platforms .................................................................................................15-2

STP Operation .............................................................................................................................................. 15-3

Rapid Spanning Tree Operation ............................................................................................................15-4

Multiple Spanning Tree Operation ......................................................................................................... 15-4

Functions and Features Supported on Enterasys Devices ..........................................................................15-6

Spanning Tree Versions ..................................... .... ... ... ... .... ... ... ... ....................................... ...................15-6

Maximum SID Capacities .......................................................................................................................15-6

Network Diameter ..................................................................................................................................15-6

Port Forwarding ...................................... ... ... ... ... .... ... ... ... .... ...................................... .... .........................15-6

Disabling Spanning Tree ........................................................................................................................ 15-7

STP Features .........................................................................................................................................15-7

SpanGuard.......................................................................................................................................15-7

Loop Protect.................... .... ... ... ... .... ... ... ... ....................................... ... ... .... ... ... ... .............................15-7

Updated 802.1t.................................................................................................................................15-8

Multisource Detection................................................................................. ... ... ... .... ... ... ...................15-8

Spanning Tree Basics ..................................................................................................................................15-9

Spanning Tree Bridge Protocol Data Units ......................................... ... ... ............................................. 15-9

Electing the Root Bridge ........... ... ... ... .... ... ... ... ... .... ...................................... .... ... ... ... .... ... ... ...................15-9

Assigning Path Costs ............................................................................................................................. 15-9

Paths to Root .......................................................................................................................................15-10

Identifying Designated, Alternate, and Backup Port Roles ..................................................................15-12

Assigning Port States ...........................................................................................................................15-13

RSTP Operation ...................................................................................................................................15-14

MSTP Operation ..................................................................................................................................15-14

Common and Internal Spanning Tree (CIST).................................................................................15-14

MST Region............... ... ... .... ... ... ....................................... ... ... .... ... ... ..............................................15-15

Multiple Spanning Tree Instances (MSTI) ......................................................................................15-16

Configuring STP and RSTP ........................................................................................................................ 15-19

Reviewing and Enabling Spanning Tree ..............................................................................................15-20

Example..........................................................................................................................................15-20

Adjusting Spanning Tree Parameters ..................................................................................................15-20

Setting Bridge Priority Mode and Priority........................................................................................15-21

Setting a Port Priority................................................. .... ... ... ... .... ....................................................15-21

Assigning Port Costs ......................................................................................................................15-22

Adjusting Bridge Protocol Data Unit (BPDU) Intervals ...................................................................15-22

Enabling the Backup Root Function .....................................................................................................15-23

Adjusting RSTP Parameters ................................................................................................................15-23

Defining Edge Port Status ..............................................................................................................1 5-24

Configuring MSTP ...................................................................................................................................... 15-24

Example 1: Configuring MSTP for Traffic Segregation ........................................................................15-25

Example 2: Configuring MSTP for Maximum Bandwidth Utilization ..................................................... 15-27

Adjusting MSTP Parameters ................................................................................................................ 15-28

Monitoring MSTP ..... ....................................... ... .... ... ....................................... ... ... ... ...........................15-29

Understanding and Configuring SpanGuard ..............................................................................................15-29

What Is SpanGuard? ............................................................................................................................15-29

How Does It Operate? ..........................................................................................................................15-30

Configuring SpanGuard ....................................................................................................................... 15-30

Reviewing and Setting Edge Port Status................ ... .... ... ... ... .... ... ... ... ... .... ... ... ... .... .......................15-30

Enabling and Adjusting SpanGuard ...............................................................................................15-30

Monitoring SpanGuard Status and Settings..................... ... ... .... ... ... ... ... .... ... ... ... .... ... ... ... ... .... ... ....15-31

Understanding and Configuring Loop Protect ............................................................................................15-31

What Is Loop Protect? ..........................................................................................................................15-31

How Does It Operate? ..........................................................................................................................15-31

Port Modes and Event Triggers......................................................................................................15-32

Example: Basic Loop Protect Configuration...................................................................................15-32

..................................................................................................................... Configuring Loop Protect 15-33

Enabling or Disabling Loop Protect ................................................................................................15-34

Specifying Loop Protect Partners...................................................................................................15-34

Setting the Loop Protect Event Threshold and Window................................................ ... ... .... ... ... .15-34

Enabling or Disabling Loop Protect Event Notifications .................................................................15-35

Setting the Disputed BPDU Threshold...........................................................................................15-35

Monitoring Loop Protect Status and Settings......................... .... ... ... ... ... .... ... ... ... .... ... ... ... ... .... ... ... .15-35

Terms and Definitions ................................................................................................................................. 15-36

Chapter 16: Configuring Policy

Using Policy in Your Network ....................................................................................................................... 16-1

Standard and Enhanced Policy on Enterasys Platforms ........................................................................16-2

Implementing Policy ............................................................................................................................... 16-2

Policy Configuration Overview ...................................................................................................................... 16-2

Using the Enterasys NetSight Policy Manager ......................................................................................16-2

Understanding Roles in a Secure Network ............................................................................................ 16-3

The Policy Role ................................................................................................................................16-3

Defining Policy Roles .............................................................................................................................16-3

Setting a Default VLAN for a Role....................................................................................................16-4

Adding Tagged, Untagged, and Forbidden Ports to the VLAN Egress Lists....................................16-4

Assigning a Class of Service to a Role.............................................................................................16-4

Defining Policy Rules .............................................................................................................................16-5

Admin Rules.....................................................................................................................................16-5

Traffic Classification Rules ...............................................................................................................16-5

Applying Policy .......................................................................................................................................16-7

Applying a Default Policy..................................................................................................................16-8

Applying Policies Dynamically..........................................................................................................16-8

Blocking Non-Edge Protocols at the Edge Network Layer ...............................................................16-8

Configuring Policy ......................................................................................................................................... 16-9

Policy Configuration Example ..................................................................................................................... 16-12

Roles .................................. .............................................................. ....................................................16-13

Policy Domains ....................................................................................................................................16-13

xii

Basic Edge .....................................................................................................................................16-13

Standard Edge................................................................................................................................16-14

Premium Edge................................................................................................................................16-14

Premium Distribution ......................................................................................................................16-14

Platform Configuration ......................................................................................................................... 16-14

Configuring Guest Policy on Edge Platforms .................................................................................16-15

Configuring Policy for the Edge Student Fixed Switch ...................................................................16-15

Configuring PhoneFS Policy for the Edge Fixed Switch.................................................................16-16

Configuring Policy for the Edge Faculty Fixed Switch....................................................................16-17

Terms and Definitions ................................................................................................................................. 16-18

Chapter 17: Configuring Quality of Service

Quality of Service Overview ............................... ... ... .... ... ... ... .... ... ... ... ..........................................................17-1

Implementing QoS ................................................................................................................................. 17-1

Quality of Service Operation .................................. ... ... ... .... ...................................... .... ... ... ...................17-2

Class of Service (CoS) .................................... ... .... ... ... ... .... ...................................... .... ... ......................17-2

CoS Settings ..........................................................................................................................................17-3

CoS Hardware Resource Reference................................................................................................17-3

CoS Flood Control State...................................................................................................................17-3

CoS Priority and ToS Rewrite...........................................................................................................17-3

CoS Reference .......................................................................................................................................17-4

Port Group and Type........................................................................................................................17-4

CoS Settings Reference to Port Resource Mapping ........................................................................17-5

Port Resources ........ .... ... ... ... .... ...................................... .... ... ... ... .... ......................................................17-5

Port Configuration ........................................ ... ... .... ... ... ... .... ... ... ... ..........................................................17-5

Preferential Queue Treatment for Packet Forwarding ........................................................................... 17-6

Strict Priority Queuing.......... ... ... ... .... ... ... ... ....................................... ... ... .... ... ... ... .............................17-6

Weighted Fair Queuing.............. ... .... ... ... ... ... .... ... ... ... .... ... ....................................... ... ... ... ... .............17-6

Hybrid Queuing.................................................................................................................................17-7

Rate Limiting ..........................................................................................................................................17-8

Flood Control ................................... ... .... ...................................... .... ... ... ................................................17-9

CoS Hardware Resource Configuration ....................................................................................................... 17-9

IRL Configuration ...................................................................................................................................17-9

CoS Port Configuration Layer...........................................................................................................17-9

CoS Port Resource Layer...............................................................................................................17-10

CoS Reference Layer.....................................................................................................................17-10

CoS Settings Layer.........................................................................................................................17-10

Enable CoS State...................................................... .... ... ... ....................................... ... ... ..............17-10

IRL Configuration Example Show Command Output .....................................................................17-10

Flood Control Configuration ......................................... ... .... ... ... ... .... ... ... .............................................. 17-12

CoS Port Configuration Layer.........................................................................................................17-12

CoS Port Resource Layer...............................................................................................................17-12

CoS Reference Layer.....................................................................................................................17-12

CoS Settings Layer.........................................................................................................................17-12

Enable CoS State...................................................... .... ... ... ....................................... ... ... ..............17-12

Flood Control Configuration Example Show Command Output .... ... ... ... .... ... ... ... .... ... ... .................17-12

Enabling CoS State ..............................................................................................................................17-13

The QoS CLI Command Flow ....................................................................................................................17-14

Port Priority and Transmit Queue Configuration .........................................................................................17-15

Setting Port Priority ...................................... ... ... .... ... ... ... .... ... ... ...........................................................17-15

Example..........................................................................................................................................17-15

Mapping Port Priority to Transmit Queues ........................................................................................... 17-15

Example..........................................................................................................................................17-16

Setting Transmit Queue Arbitration ...................................................................................................... 17-16

Port Traffic Rate Limiting ............................................................................................................................17-17

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Examples ............................................................................................................................................. 17-18

Chapter 18: Configuring Network Monitoring

Basic Network Monitoring Features ..............................................................................................................18-1

Console/Telnet History Buffer ................................................................................................................18-1

Network Diagnostics .............................................................................................................................. 18-2

Switch Connection Statistics . ....................................... ... .... ... ... ... ....................................... ...................18-2

Users .................................. ............................. ................................. ......................................................18-3

RMON .................................... ................ ................ ................ ................. ................ ......................................18-3

RMON Design Considerations ...............................................................................................................18-4

Configuring RMON .................................................................................................................................18-5

sFlow ............................................................................................................................................................18-9

Using sFlow in Your Network ............................. .................................................................... ..............18-10

Definitions ............................................................................................................................................18-10

sFlow Agent Functionality ....................................................................................................................18-11

Sampling Mechanisms ......................................................................................................................... 18-11

Packet Flow Sampling....................................................................................................................18-11

Counter Sampling................... ... ... .... ... ... ... ... ....................................... ... .... ... ... ... .... .......................18-11

Sampling Implementation Notes.....................................................................................................1 8-12

Configuring sFlow ................................................................................................................................18-12

Overview.........................................................................................................................................18-12

Procedure.......................................................................................................................................18-14

Chapter 19: Configuring Multicast

Using Multicast in Your Network ................................................................................................................... 19-1

Implementing Multicast .......................................................................................................................... 19-1

Multicast Operation ................................................................................................................................ 19-2

Internet Group Management Protocol (IGMP) .......................................................................................19-2

Overview...........................................................................................................................................19-2

IGMP Support on Enterasys Devices...............................................................................................19-3

Example: Sending a Multicast Stream..............................................................................................19-4

Distance Vector Multicast Routing Protocol (DVMRP) ........................................................................... 19-5

Overview...........................................................................................................................................19-5

DVMRP Support on Enterasys Devices ...........................................................................................19-5

Protocol Independent Multicast (PIM) .................................................................................................. 19-11

Overview.........................................................................................................................................19-11

PIM Support on Enterasys Devices................................................................................................19-13

PIM Terms and Definitions.............................................................................................................19-14

Configuring IGMP .......................................................................................................................................19-15

Basic IGMP Configuration ....................................................................................................................19-17

Example IGMP Configuration on Layer 3.......................................................................................19-17

IGMP Display Commands ....................................................................................................................19-18

Configuring DVMRP ................................................................................................................................... 19-18

DVMRP Configuration Commands ........... ... ... ... ..................................................................................19-18

Basic DVMRP Configuration ................................................................................................................19-19

Example DVMRP Configuration .....................................................................................................19-19

Displaying DVMRP Information ............................................................................................................19-20

Configuring PIM-SM ................................................................................................................................... 19-21

Design Considerations .......... .... ... ... ... .... ...................................... .... ... ... ... ... .... ... ... ... .... .......................19-21

PIM-SM Configuration Commands .... .... ... ... ... ... .... ... ... ........................................................................ 19-21

Basic PIM-SM Configuration ................................................................................................................19-22

Example Configuration ...................................................................................................................19-22

PIM-SM Display Commands ........................................ ... .... ... ... ... .... ... ... ... ... .... .................................... 19-24

xiv

Chapter 20: IP Configuration

Enabling the Switch for Routing ................................................................................................................... 20-1

Router Configuration Modes .................................................................................................................. 20-1

Entering Router Configuration Modes .... ... .............................................................................................20-2

Example .................................................................................................................................................20-3

Routing Interfaces ........................................................................................................................................ 20-3

IPv4 Interface Addresses .......................................................................................................................20-3

IP Static Routes ............................... ... ... ... .... ... ... ....................................... ... ... ... .... ... ... ................................ 20-4

Configuring Static Routes ...................................................................................................................... 20-5

Testing Network Connectivity ....................................................................................................................... 20-5

The ARP Table ............................................................................................................................................. 20-6

Proxy ARP .............................................................................................................................................. 20-7

ARP Configuration .......... ... ... .... ... ... ... .... ... ....................................... ... ... ... ... .... ... ... ... .... ... ......................20-7

IP Broadcast Settings ............................................................ ....................................... ... ............................. 20-7

Directed Broadcast .................................................................................................................................20-7

UDP Broadcast Forwarding ...... ... ... ... .... ... ... ... ... .... ... ... ....................................... ... ... .... ... ... ... ................20-8

DHCP and BOOTP Relay ......................................................................................................................20-9

IP Broadcast Configuration ....................................... ... ....................................... ... ... .... ... ... ...................20-9

Configuring ICMP Redirects ....................................................................................................................... 20-10

Terms and Definitions ................................................................................................................................. 20-10

Chapter 21: IPv4 Basic Routing Protocols

Configuring RIP ............................................................................................................................................ 21-1

Using RIP in Your Network .................................................................................................................... 21-1

RIP Configuration Overview ...................................................................................................................21-1

RIP Router Configuration .................................................................................................................21-1

RIP Interface Configuration ..............................................................................................................21-2

RIP Configuration Example ....................................................................................................................21-3

Configuring IRDP ..........................................................................................................................................21-5

Using IRDP in Your Network ..................................................................................................................21-5

IRDP Configuration Overview ................................................................................................................21-5

IRDP Configuration Example ................................................................................................................. 21-5

Chapter 22: Configuring OSPFv2

OSPF Overview ..................... ... ... .... ... ... ... .... ... ....................................... ... ... ... ............................................. 22-1

OSPF Areas .... ... ... ... .... ... ... ... .... ...................................... .... ... ....................................... .........................22-2

OSPF Router Types . .... ... ... ... ....................................... ... .... ... ....................................... ... ... ...................22-3

Designated Router ....................................... ... ... .... ... ... ... .... ... ... ... ..........................................................22-3

Authentication ........................................................................................................................................22-3

Basic OSPF Topology Configuration ............................ ................................................ ................................22-3

Configuring the Router ID ...................................................................................................................... 22-4

Configuring the Designated Router ........ ... ... ... ... .... ... ... ... .... ... .......................................... ... ... ... .............22-5

Configuring Router Priority ...............................................................................................................22-6

Example............................................................................................................................................22-6

Configuring the Administrative Distance for OSPF Routes .............. ...................................... ................22-7

Configuring SPF Timers ......................................................................................................................... 22-7

Configuring OSPF Areas .............................................................................................................................. 22-8

Configuring Area Range ......................................................................................................................... 22-8

Example............................................................................................................................................22-8

Configuring a Stub Area ........ .... ... ... ....................................... ... ... .... ... ... ... ... .... ... ... ................................ 22-9

Stub Area Default Route Cost ........................................................................................................22-10

Example..........................................................................................................................................22-10

Configuring a Not So Stubby Area (NSSA) ..........................................................................................22-11

Example..........................................................................................................................................22-12

Configuring Area Virtual-Links ............................................................................................................. 22-12

Configuring Area Virtual-Link Authentication..................................................................................22-14

Configuring Area Virtual-Link Timers..............................................................................................22-14

Configuring Route Redistribution .........................................................................................................22-14

Configuring Passive Interfaces ............................................................................................................22-14

Configuring OSPF Interfaces ...................................................................................................................... 22-15

Configuring Interface Cost ...................................................................................................................22-15

Configuring Interface Priority ................................................................................................................ 22-15

Configuring Authentication ................................................................................................................... 22-15

Configuring OSPF Interface Timers ..................................................................................................... 22-16

Default Settings .......................................................................................................................................... 22-16

Configuration Procedures ......................... .... ... ... ... ... .... ... ... ... .... ... ....................................... .......................22-17

Basic OSPF Router Configuration .......................................................................................................22-17

OSPF Interface Configuration ......... ... ................................................................................. .................22-18

OSPF Area Configuration ......... ... ... ... .... ... ... ........................................................................................ 22-18

Managing and Displaying OSPF Configuration and Statistics .............................................................22-19

Chapter 23: Configuring VRRP

VRRP Overview ............................................................................................................................................23-1

VRRP Virtual Router Creation ................................................................................................................23-2

VRRP Master Election ........................................................................................................................... 23-2

Enabling Master Preemption .................................................................................................................. 23-3

Enabling ICMP Replies ..........................................................................................................................23-3

Configuring VRRP Authentication ..........................................................................................................23-3

Enabling the VRRP Virtual Router ......................................................................................................... 23-3

Configuring VRRP ........................................................................................................................................ 23-3

Configuration Examples ........ .... ... ... ... .... ...................................... .... ... ... ... ... .... ... ... ... .... .........................23-4

Basic VRRP Configuration ...............................................................................................................23-4

Multiple Backup VRRP Configuration...............................................................................................23-6

Terms and Definitions ................................................................................................................................... 23-8

Chapter 24: Configuring Access Control Lists

Using Access Control Lists (ACLs) in Your Network ....................................................................................24-1

Implementing ACLs ...................................................................................................................................... 24-1

ACL Configuration Overview ........................................................................................................................24-2

Creating IPv4 ACLs ................................... ... ....................................... ... ... ... .... ... ... ................................ 24-2

Creating IPv6 and MAC ACLs ................................................................................................................24-2

Creating ACL Rules ........... ... .... ... ... ... .... ... ... ....................................... ... ... ... .... ... ... ... .... ... ......................24-3

IPv4 Rules ........................................................................................................................................24-3

IPv6 Rules ........................................................................................................................................24-4

MAC Rules .......................................................................................................................................24-4

Managing ACLs ...................................... ... ... ... ... .... ...................................... .... ... ... ... .... ... ......................24-4

Deleting ACLs and Rules .................................................................................................................24-4

Moving ACL Rules............................................................................................................................24-5

Replacing ACL Rules .......................................................................................................................24-5

Inserting ACL Rules..........................................................................................................................24-6

Applying ACLs ........................................................................................................................................24-6

Configuring ACLs .........................................................................................................................................24-7

Configuring IPv4 ACLs ...........................................................................................................................24-7

Example............................................................................................................................................24-8

Configuring IPv6 ACLs ...........................................................................................................................24-8

Example............................................................................................................................................24-9

Configuring MAC ACLs ........................................................................................................................24-10

Example..........................................................................................................................................24-10

Access Control Lists on the A4 ................................................................................................................... 24-11

Configuring A4 ACLs ............................................................................................................................24-12

xvi

Extended IPv4 ACL Configuration..................................................................................................24-12

MAC ACL Configuration .................................................................................................................24-13

Chapter 25: Configuring and Managing IPv6

Managing IPv6 .......................... ... .... ... ....................................... ... ... ... .... ... ... ................................................ 25-1

Configuring IPv6 Management ......................................................................................................... ......25-2

Example............................................................................................................................................25-2

Monitoring Network Connections ........................................ ... ... ... .... ......................................................25-3

IPv6 Routing Configuration ........................................................................................................................... 25-3

Overview ................................................................................................................................................ 25-3

Defaults ................................. .............................................................. ...................................................25-4

Setting Routing General Parameters ..................................................................................................... 25-5

Configuring Routing Interfaces ...............................................................................................................25-5

IPv6 Addressing ...............................................................................................................................25-5

Enabling an Interface for IPv6 Routing.............................................................................................25-6

Configuration Examples ............................... .... ... ... ... .... ... ... ....................................... ... ... ... .............25-6

Creating Tunnel Interfaces .... .... ... ... ... .... ... .............................................................................................25-7

Configuring Static Routes ...................................................................................................................... 25-9

Viewing Routing Information ................................................................................................................ 25-10

Testing Network Connectivity ...............................................................................................................25-11

IPv6 Neighbor Discovery ............................................................................................................................25-11

Duplicate Address Detection ................................................................................................................25-11

Neighbor Solicitation Messages ........................................................................................................... 25-12

Router Advertisements .........................................................................................................................25-12

Cache Management ..... ... ....................................... ... ... ... .... ... ... ....................................... ... .................25-12

Neighbor Discovery Configuration .......................................................................................................25-13

DHCPv6 Configuration ...............................................................................................................................25-14

DHCPv6 Relay Agent Configuration .................................................................................................... 25-14

DHCPv6 Server Configuration ............................................................................................................. 25-15

Pool Configuration..........................................................................................................................25-15

Server Configuration............ ... ... ... .... ... ....................................... ... ... ... ... .... ....................................25-15

Default Conditions ................................................................................................................................25-16

Configuration Examples ........ .... ... ... ... .... ...................................... .... ... ... ... ... .... ... ... ... .... .......................25-16

Viewing DHCPv6 Statistics ..................................................................................................................25-18

Chapter 26: Configuring Security Features

Security Mode Configuration ........................ ... ... ... ... .... ... ... ... .... ... ... ... .... ......................................................26-1

About the Security Mode ........................................................................................................................ 26-1

Configuring the Security Mode .................. ... .... ... ... ... .... ... ................................................................26-2

Security Mode and SNMP ...................................................................................................................... 26-2

Security Mode and User Authentication and Passwords .......................................................................26-3

Security Mode and System Logging ...................................................................................................... 26-3

Security Mode and File Management ....................................................................................................26-4

IPsec Configuration ..................... .... ... ... ... .... ... ... ... ... .... ...................................... .... ... ... ... .............................26-4

About IPsec ............................................................................................................................................ 26-4

IPsec Defaults ....... ... .... ...................................... .... ... ... ....................................... ... ... .... .........................26-5

IPsec Configuration .. .... ...................................... .... ... ... ... .... ... ....................................... ... ......................26-5

RADIUS Management Authentication .......................................................................................................... 26-6

Request Transmission ........................................................................................................................... 26-6

Response Validation .............................................................................................................................. 26-7

Password Changing ............................................................................................................................... 26-7

Example .................................................................................................................................................26-7

MAC Locking ................................................................................................................................................26-7

First Arrival Configuration .......................................................................................................................26-8

MAC Locking Notifications ..................................................................................................................... 26-8

xvii

Disabling and Enabling Ports ................................................................................................................. 26-9

MAC Locking Defaults ..................................... ... .... ... ... ... .... ... ... ....................................... ... ...................26-9

MAC Locking Configuration ................................................................................................................. 26-10

TACACS+ ................................. .......................................................... ........................................................ 26-11

TACACS+ Client Functionality .............................................................................................................26-12

Session Authorization and Accounting...........................................................................................26-12

Command Authorization and Accounting .......................................................................................26-12

Configuring the Source Address............. ... ... .... ... ... ........................................................................26-13

Default Settings ....................................................................................................................................26-13

Basic TACACS+ Configuration ............................................................................................................26-14

Example TACACS+ Configuration .......................................................................................................26-15

TACACS+ Display Commands ............................................................................................................26-15

Service ACLs ..............................................................................................................................................26-16

Restricting Management Access to the Console Port ............................... ... .... ... ... ... .... ... ... .................26-17

Configuring a Service Access Control List ...........................................................................................26-17

DHCP Snooping ........................................................................................................................................ 26-18

DHCP Message Processing .................................................................................................................26-18

Building and Maintaining the Database ........................... ....................................... ... .... .......................26-19

Rate Limiting ........................................................................................................................................26-19

Basic Configuration .............................................................................................................................. 26-19

Configuration Notes................... ... .... ... ....................................... ... ... ... ... .... ... .................................26-20

Default Parameter Values ..............................................................................................................26-20

Managing DHCP Snooping ............. ... ................................................................................. .................26-21

Dynamic ARP Inspection ........................................................................................................................... 26-22

Functional Description .................................. ... ... .... ... ... ... .... ...................................... .... ... ....................26-22

Static Mappings...................................................... ... .... ... ....................................... ... ... .................26-22

Optional ARP Packet Validation.....................................................................................................26-22

Logging Invalid Packets..................................................................................................................26-23

Packet Forwarding..........................................................................................................................26-23

Rate Limiting...................................................................................................................................26-23

Eligible Interfaces ...........................................................................................................................26-23

Interaction with Other Functions.....................................................................................................26-23

Basic Configuration .............................................................................................................................. 26-24

Default Parameter Values ..............................................................................................................26-24

Managing Dynamic ARP Inspection ............................. ... .... ... ... ... .... ... ... ... ... .... ... ... ... .... .......................26-24

Example Configuration ......................................................................................................................... 26-25

Non-Routing Example ....................................................................................................................26-25

Routing Example ............................................................................................................................26-26

Figures

3-1 CLI Startup Screen............................................................................................................................. 3-2

3-2 Sample CLI Defaults Description........................................................................................................3-4

3-3 Performing a Keyword Lookup .................. ... .... ... ... ... .... ... ... ... .... ... .....................................................3-4

3-4 Performing a Partial Keyword Lookup................................................................................................3-4

3-5 Scrolling Screen Output......................................................................................................................3-5

3-6 Abbreviating a Command...................................................................................................................3-5

9-1 VLAN Business Scenario ...................................................................................................................9-2

9-2 Inside the Switch ................................. ... ... ....................................... ... ... .... ... ... ... ...............................9-5

9-3 Example of VLAN Propagation Using GVRP ..................................................................................... 9-8

10-1 Applying Policy to Multiple Users on a Single Port........................ ... ... ... .... ... ... ... ............................. 10-5

10-2 Authenticating Multiple Users With Different Methods on a Single Port........................................... 10-6

10-3 Selecting Authentication Method When Multiple Methods are Validated ......................................... 10-7

10-4 Stackable Fixed Switch Authentication Configuration Example Overview ..................................... 10-25

11-1 LAG Formation ................................................................................................................................. 11-4

11-2 LAGs Moved to Attached State ........................................................................................................11-6

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11-3 Link Aggregation Example............ .... ... ... ........................................................................................11-12

13-1 Communication between LLDP-enabled Devices ............................................................................ 13-3

13-2 LLDP-MED .......................................................................................................................................13-5

13-3 Frame Format................................................................................................................................... 13-6

14-1 Basic System Scenario..................................................................................................................... 14-5

15-1 Redundant Link Causes a Loop in a Non-STP Network .................................................................. 15-2

15-2 Loop Avoided When STP Blocks a Duplicate Path .......................................................................... 15-2

15-3 Multiple Spanning Tree Overview.....................................................................................................15-5

15-4 Root Port Selection Based On Lowest Cost or Bridge ID............................................................... 15-10

15-5 Root Port Selection Based On Lowest Port ID...............................................................................15-11

15-6 Spanning Tree Port Role Overview.................................................. ... ... .... ... ... ... .... ... ... .................15-12

15-7 Example of an MST Region............................................................................................................15-15

15-8 MSTI 1 in a Region.........................................................................................................................15-18

15-9 MSTI2 in the Same Region ............................................................................................................ 15-18

15-10 Example of Multiple Regions and MSTIs........................................................................................15-19

15-11 Traffic Segregation in a Single STP Network Configuration........................................................... 15-25

15-12 Traffic Segregation in an MSTP Network Configuration.................................................................15-26

15-13 Maximum Bandwidth Utilization in a Single STP Network Configuration .......................................15-27

15-14 Maximum Bandwidth in an MSTP Network Configuration..............................................................15-28

15-15 Basic Loop Protect Scenario ..........................................................................................................15-33

15-16 Spanning Tree Without Loop Protect ..................................... .... ... ... ... ... .... ... ... ... .... ... ... ... ... .... ....... 15-33

15-17 Spanning Tree with Loop Protect ...................................................................................................15-33

16-1 College-Based Policy Configuration...............................................................................................16-12

17-1 Assigning and Marking Traffic with a Priority....................................................................................17-4

17-2 Strict Priority Queuing Packet Behavior ........................................................................................... 17-6

17-3 Weighted Fair Queuing Packet Behavior ......................................................................................... 17-7

17-4 Hybrid Queuing Packet Behavior ..................................................................................................... 17-8

17-5 Rate Limiting Clipping Behavior ....................................................................................................... 17-9

19-1 IGMP Querier Determining Group Membership ............................................................................... 19-3

19-2 Sending a Multicast Stream with No Directly Attached Hosts ..........................................................19-4

19-3 DVMRP Pruning and Grafting ........................................................................................................ 19-11

19-4 PIM Traffic Flow.............................................................................................................................. 19-12

19-5 DVMRP Configuration on Two Routers..........................................................................................19-19

19-6 PIM-SM Configuration ............... ... .... ... ... ... ... .... ... ... ... .... ... ... ...........................................................19-23

22-1 Basic OSPF Topology ...................................................................................................................... 22-4

22-2 OSPF Designated Router Topology................................................. ... ... .... ... ... ... .... ... ... ... ... .... ... ...... 22-6

22-3 OSPF Summarization Topology.................................................... ... ... ... .... ... ... ... .... ... ... ... ... .... ......... 22-9

22-4 OSPF Stub Area Topology..................................................... .... ... ... ... ... .... ... ... ..............................22-10

22-5 OSPF NSSA Topology................................................................................................................... 22-12

22-6 Virtual Link Topology...................................................................................................................... 22-13

23-1 Basic VRRP Topology.........................................................................................................

23-2 Basic Configuration Example ........................................................................................................... 23-5

23-3 Multi-Backup VRRP Configuration Example ....................................................................................23-6

25-1 Basic IPv6 Over IPv4 Tunnel............................................................................................................ 25-8

.............23-2

Tables

3-1 Basic Line Editing Commands............................................................................................................ 3-6

3-2 CLI Properties Configuration Commands...........................................................................................3-6

3-3 CLI Properties Show Commands ................. .... ... ... ... .... ... ... ... .... ... ... ... ... .... ... ... ... .... ... ... ... ..................3-7

4-1 Default Settings for Basic Switch Operation.......................................................................................4-1

4-2 Default Settings for Router Operation ................................................................................................ 4-4

4-3 Advanced Configuration .....................................................................................................................4-6

4-4 Default SNTP Parameters................................................................................................................ 4-13

4-5 Managing and Displaying SNTP............. ... ....... ... ............................................................................. 4-14

4-6 Managing and Displaying DHCP Server ..........................................................................................4-20

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4-7 Default DHCP Server Parameters....................................................................................................4-20

4-8 Configuring Pool Parameters ........................................................................................................... 4-23

5-1 User Account and Password Parameter Defaults by Security Mode .................................................5-7

6-1 File Management Commands ............................. ... ... .... ... ... ... .... ... ... ... ... ............................................6-8

7-1 PoE Powered Device Classes............................................................................................................7-2

7-2 PoE Settings Supported on Enterasys Devices ................................................................................. 7-4

7-3 PoE Show Commands .....................................................................................................................7-10

8-1 Displaying Port Status ....................................................................................................................... 8-7

8-2 Linkflap Default Parameters ...............................................................................................................8-9

8-3 Link Flap Detection Show Commands ............................................................................................. 8-11

8-4 Transmit Queue Monitoring Tasks ................................................................................................... 8-11

9-1 Default VLAN Parameters ..................................................................................................................9-9

9-2 Displaying VLAN Information............................................................................................................ 9-14

9-3 VLAN Terms and Definitions ............................................................................................................9-14

10-1 Default Authentication Parameters...................................................... ... .... ... ... ... .... .......................10-12

10-2 PWA Guest Networking Privileges Configuration........................................................................... 10-17

10-3 Displaying MultiAuth Authentication Configuration.........................................................................10-20

10-4 Authentication Configuration Terms and Definitions ......................................................................10-28

11-1 LAG2 Port Priority Assignments....................................................................................................... 11-5

11-2 LAG Port Parameters ....................................................................................................................... 11-7

11-3 Default Link Aggregation Parameters...............................................................................................11-9

11-4 Managing Link Aggregation................. ... ... ... .... ... ... ... .... ... ... ... .... ... ... ... ... .... ... ... ... ...........................11-10

11-5 Displaying Link Aggregation Information and Statistics.................................................................. 11-11

11-6 LAG and Physical Port Admin Key Assignments ........................................................................... 11-13

11-7 Link Aggregation Configuration Terms and Definitions ..................................................................11-15

12-1 SNMP Message Functions...............................................................................................................12-2

12-2 SNMP Terms and Definitions...........................................................................................................12-5

12-3 SNMP Security Models and Levels ..................................................................................................12-6

12-4 Default Enterasys SNMP Configuration ........................................................................................... 12-8

12-5 Commands to Review SNMP Settings...........................................................................................12-18

13-1 LLDP Configuration Commands.......................................................................................................13-7

13-2 LLDP Show Commands...................... ... ... ... .... .............................................................................. 13-10

13-3 Enterasys Discovery Protocol Configuration Commands...............................................................13-10

13-4 Enterasys Discovery Protocol Show Commands ........................................................................... 13-11

13-5 Cisco Discovery Protocol Configuration Commands......................................................................13-12

13-6 Cisco Discovery Protocol Show Commands ..................................................................................13-12

14-1 Syslog Terms and Definitions...........................................................................................................14-3

14-2 Syslog Message Components..........................................................................................................14-6

14-3 Syslog Command Precedence.........................................................................................................14-8

14-4 Syslog Server Default Settings.............................................................................................

15-1

15-2 Spanning Tree Port Roles...................... ... ... .... ... ... ... .... ... ... ... .... ... ... ... ... .... ... ... ... .... ... ... .................15-13

15-3 Spanning Tree Port States........................... .... ... ... ... .... .......................................... ... ... ... ..............15-13

15-4 Multiple Spanning Tree Instance Support ......................................................................................15-16

15-5 MSTI Characteristics for Figure 15-10............................................................................................ 15-19

15-6 Spanning Tree Port Default Settings................................................... ... ........................................ 15-21

15-7 BPDU Interval Defaults................................................................................................................... 15-22

15-8 Commands for Monitoring MSTP ...................................................................................................15-29

15-9 Commands for Monitoring SpanGuard...........................................................................................15-31

15-10 Commands for Monitoring Loop Protect.........................................................................................15-35

15-11 Spanning Tree Terms and Definitions............................................................................................15-36

16-1 Admin Rule Parameters ................................................................................................................... 16-5

16-2 Policy Rule Traffic Descriptions/Classifications................................................................................16-6

16-3 Valid Data Values for Traffic Classification Rules ............................................................................16-6

16-4 Non-Edge Protocols .........................................................................................................................16-8

16-5 Displaying Policy Configuration and Statistics................................................................................ 16-11

Maximum SID Capacities Per Platform ............................................................................................15-6

..........14-10

16-6 Policy Configuration Terms and Definitions....................................................................................16-18

17-1 CoS Configuration Terminology ....................................................................................................... 17-3

18-1 RMON Monitoring Group Functions and Commands....................................................................... 18-3

18-2 Default RMON Parameters...............................................................................................................18-5

18-3 Managing RMON.................... ....................................... ... ... ... .... ... ... ... ... .... ... ................................... 18-9

18-4 Displaying RMON Information and Statistics....................................................................................18-9

18-5 sFlow Definitions ............................................................................................................................18-10

18-6 Default sFlow Parameters ..............................................................................................................18-13

18-7 Displaying sFlow Information..........................................................................................................18-15

18-8 Managing sFlow .................................. ... ....................................... ... ... ... .... ... ... ... .... ... ... .................18-15

19-1 PIM-SM Message Types ........... ... ....................................... ... .... ... ... ... ... .... ... ... ... ...........................19-13

19-2 PIM Terms and Definitions.............................................................................................................19-14

19-3 Layer 2 IGMP Configuration Commands........................................................................................19-16

19-4 Layer 3 IGMP Configuration Commands........................................................................................19-16

19-5 Layer 2 IGMP Show Commands....................................................................................................19-18

19-6 Layer 3 IGMP Show Commands....................................................................................................19-18

19-7 DVMRP Configuration Commands...................... ........................................................................... 19-18

19-8 DVMRP Show Commands .................. ... ... ... .... ... ... ... .... ... ... ...........................................................19-21

19-9 PIM-SM Set Commands............... ....................................... ... .... ... ... ... ... .... ... ... ... ...........................19-21

19-10 PIM-SM Show Commands ........... .... ... ... ... ... .... ... ... ....................................... ... ... .... ... ... ... ... ...........19-24

20-1 Router CLI Configuration Modes......................................................................................................20-2

20-2 UDP Broadcast Forwarding Port Default..........................................................................................20-8

20-3 IP Routing Terms and Definitions................................................................................................... 20-10

21-1 Routing Protocol Route Preferences................................................................................................21-2

21-2 RIP Default Values ........................................................................................................................... 21-3

21-3 IRDP Default Values......................................................................................................................... 21-5

22-1 Default OSPF Parameters.............................................................................................................. 22-16

22-2 OSPF Management Tasks. .............. ... ... ... ... .................................................................................. 22-19

23-1 Default VRRP Parameters................................................................................................................23-3

23-2 VRRP Configuration Terms and Definitions ..................................................................................... 23-8

24-1 ACL Rule Precedence....................................................................................................................24-11

25-1 Monitoring Network Connections at the Switch Level ......................................................................25-3

25-2 IPv6 Default Conditions.................................................................................................................... 25-4

25-3 Setting Routing General Parameters................................................................................................25-5

25-4 Displaying Routing Information.......................................................................................................25-10

25-5 Testing Network Connectivity......................................................................................................... 25-11

25-6 Displaying DHCPv6 Statistics ....................................................................................................... 25-18

26-1 SNMP Commands Affected by Security Mode Settings...................................................................26-2

26-2 User Account and Password Parameter Defaults by Security Mode ...............................................26-3

26-3 Logging Commands Affected by Security Mode Settings ................................................................26-4

26-4 File Management Commands

26-5 IPsec Defaults .............................. .... ...................................... .... ... ... ... ... .... ...................................... 26-5

26-6 MAC Locking Defaults...................................................................................................................... 26-9

26-7 TACACS+ Parameters ................................................................................................................... 26-13

26-8 TACACS+ Show Commands..........................................................................................................26-15

26-9 DHCP Snooping Default Parameters .............................................................................................26-20

26-10 Displaying DHCP Snooping Information.........................................................................................26-21

26-11 Managing DHCP Snooping ............................................................................................................26-21

26-12 Dynamic ARP Inspection Default Parameters................................................................................26-24

26-13 Displaying Dynamic ARP Inspection Information ........................................................................... 26-24

26-14 Managing Dynamic ARP Inspection...............................................................................................26-25

Affected by Security Mode Settings .............................. ... ... .... ... ... ... 26-4

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Technical Publications Style Guide xxiii

About This Guide

This guide provides basic configuration information for the Enterasys Networks Fixed Switch platforms using the Command Line Interface (CLI0, including procedures and code examples.

For detailed information about the CLI commands used in this book, refer to the CLI Reference for your Fixed Switch platform.

How to Use This Guide

Read through this guide completely to familiarize yourself with its contents and to gain an understanding of the features and capabilities of the Enterasys Networks Fixed Switches. A general working knowledge of data communications networks is helpful when setting up these switches.

Enterasys C5G124-24 Configuration manual

Specifications and Main Features

Frequently Asked Questions

User Manual