HP CISCO CATALYST BLADE SWITCH 3020 User Manual

Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide

Cisco IOS Release 12.2(25)SEF

June 2006

Corporate Headquarters

Cisco Systems, Inc. 170 West Tasman Drive

San Jose, CA 95134-1706 USA http://www.cisco.com Tel: [phone]

800 553-NETS (6387) Fax: [phone]

Text Part Number: OL-8915-01

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Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide

Copyright © 2006 Cisco Systems, Inc. All rights reserved.

C O N T E N T S

	Preface xxvii
	Audience xxvii
	Purpose	xxvii
	Conventions		xxviii
	Related Publications			xxviii
	Obtaining Documentation				xxix
	Cisco.com		xxix
	Product Documentation DVD						xxix
	Ordering Documentation					xxx
	Documentation Feedback				xxx
	Cisco Product Security Overview						xxx
	Reporting Security Problems in Cisco Products								xxxi
	Obtaining Technical Assistance						xxxi
	Cisco Technical Support & Documentation Website xxxii
	Submitting a Service Request						xxxii
	Definitions of Service Request Severity							xxxiii
	Obtaining Additional Publications and Information								xxxiii
	Overview
C H A P T E R 1		1-1
	Features	1-1
	Ease-of-Deployment and Ease-of-Use Features								1-2
	Performance Features					1-2
	Management Options					1-3
	Manageability Features					1-3
	Availability and Redundancy Features							1-4
	VLAN Features			1-5
	Security Features			1-5
	QoS and CoS Features					1-7
	Monitoring Features				1-8
	Default Settings After Initial Switch Configuration								1-8
	Design Concepts for Using the Switch 1-10
	Where to Go Next 1-13

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C H A P T E R 2					Using the Command-Line Interface			2-1
					Understanding Command Modes			2-1
					Understanding the Help System			2-3
					Understanding Abbreviated Commands				2-4
					Understanding no and default Forms of Commands							2-4
					Understanding CLI Error Messages			2-5
					Using Configuration Logging		2-5
					Using Command History	2-6
					Changing the Command History Buffer Size						2-6
					Recalling Commands	2-6
					Disabling the Command History Feature					2-7
					Using Editing Features	2-7
					Enabling and Disabling Editing Features					2-7
					Editing Commands through Keystrokes					2-7
					Editing Command Lines that Wrap				2-9
					Searching and Filtering Output of show and more Commands 2-10
					Accessing the CLI 2-10
					Accessing the CLI through a Console Connection or through Telnet								2-10
					Assigning the Switch IP Address and Default Gateway 3-1
C H A P T E R 3
					Understanding the Boot Process			3-1
					Assigning Switch Information		3-2
					Default Switch Information			3-3
					Understanding DHCP-Based Autoconfiguration							3-3
					DHCP Client Request Process				3-4
					Configuring DHCP-Based Autoconfiguration						3-5
					DHCP Server Configuration Guidelines						3-5
					Configuring the TFTP Server				3-6
					Configuring the DNS		3-6
					Configuring the Relay Device				3-6
					Obtaining Configuration Files				3-7
					Example Configuration			3-8
					Manually Assigning IP Information				3-10
					Checking and Saving the Running Configuration						3-10
					Modifying the Startup Configuration				3-13
					Default Boot Configuration		3-14
					Automatically Downloading a Configuration File							3-14
					Specifying the Filename to Read and Write the System Configuration								3-14
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		Booting Manually		3-15
		Booting a Specific Software Image							3-16
		Controlling Environment Variables							3-16
		Scheduling a Reload of the Software Image								3-18
		Configuring a Scheduled Reload						3-18
		Displaying Scheduled Reload Information								3-19
		Configuring Cisco IOS CNS Agents
C H A P T E R 4							4-1
		Understanding Cisco Configuration Engine Software									4-1
		Configuration Service			4-2
		Event Service	4-3
		NameSpace Mapper				4-3
		What You Should Know About the CNS IDs and Device Hostnames 4-3
		ConfigID	4-3
		DeviceID	4-4
		Hostname and DeviceID					4-4
		Using Hostname, DeviceID, and ConfigID									4-4
		Understanding Cisco IOS Agents					4-5
		Initial Configuration			4-5
		Incremental (Partial) Configuration							4-6
		Synchronized Configuration				4-6
		Configuring Cisco IOS Agents				4-6
		Enabling Automated CNS Configuration								4-6
		Enabling the CNS Event Agent						4-8
		Enabling the Cisco IOS CNS Agent							4-9
		Enabling an Initial Configuration							4-9
		Enabling a Partial Configuration							4-11
		Displaying CNS Configuration				4-12
		Administering the Switch
C H A P T E R 5					5-1
		Managing the System Time and Date						5-1
		Understanding the System Clock						5-1
		Understanding Network Time Protocol								5-2
		Configuring NTP		5-3
		Default NTP Configuration						5-4
		Configuring NTP Authentication							5-4
		Configuring NTP Associations							5-5
		Configuring NTP Broadcast Service								5-6
		Configuring NTP Access Restrictions								5-8
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					Configuring the Source IP Address for NTP Packets							5-10
					Displaying the NTP Configuration				5-11
					Configuring Time and Date Manually				5-11
					Setting the System Clock		5-11
					Displaying the Time and Date Configuration						5-12
					Configuring the Time Zone			5-12
					Configuring Summer Time (Daylight Saving Time)							5-13
					Configuring a System Name and Prompt				5-14
					Default System Name and Prompt Configuration						5-15
					Configuring a System Name		5-15
					Understanding DNS	5-15
					Default DNS Configuration			5-16
					Setting Up DNS	5-16
					Displaying the DNS Configuration				5-17
					Creating a Banner 5-17
					Default Banner Configuration		5-17
					Configuring a Message-of-the-Day Login Banner						5-18
					Configuring a Login Banner		5-19
					Managing the MAC Address Table 5-19
					Building the Address Table		5-20
					MAC Addresses and VLANs		5-20
					Default MAC Address Table Configuration					5-21
					Changing the Address Aging Time			5-21
					Removing Dynamic Address Entries				5-22
					Configuring MAC Address Notification Traps					5-22
					Adding and Removing Static Address Entries					5-24
					Configuring Unicast MAC Address Filtering					5-25
					Displaying Address Table Entries			5-26
					Managing the ARP Table	5-26
					Configuring Switch-Based Authentication
C H A P T E R 6									6-1
					Preventing Unauthorized Access to Your Switch					6-1
					Protecting Access to Privileged EXEC Commands					6-2
					Default Password and Privilege Level Configuration 6-2
					Setting or Changing a Static Enable Password						6-3
					Protecting Enable and Enable Secret Passwords with Encryption 6-3
					Disabling Password Recovery		6-5
					Setting a Telnet Password for a Terminal Line						6-6
					Configuring Username and Password Pairs					6-6
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Configuring Multiple Privilege Levels				6-7
Setting the Privilege Level for a Command						6-8
Changing the Default Privilege Level for Lines 6-9
Logging into and Exiting a Privilege Level						6-9
Controlling Switch Access with TACACS+				6-10
Understanding TACACS+		6-10
TACACS+ Operation	6-12
Configuring TACACS+		6-12
Default TACACS+ Configuration				6-13
Identifying the TACACS+ Server Host and Setting the Authentication Key 6-13
Configuring TACACS+ Login Authentication						6-14
Configuring TACACS+ Authorization for Privileged EXEC Access and Network Services							6-16
Starting TACACS+ Accounting				6-17
Displaying the TACACS+ Configuration					6-17
Controlling Switch Access with RADIUS				6-17
Understanding RADIUS		6-18
RADIUS Operation	6-19
Configuring RADIUS	6-20
Default RADIUS Configuration				6-20
Identifying the RADIUS Server Host					6-20
Configuring RADIUS Login Authentication						6-23
Defining AAA Server Groups			6-25
Configuring RADIUS Authorization for User Privileged Access and Network Services							6-27
Starting RADIUS Accounting			6-28
Configuring Settings for All RADIUS Servers						6-29
Configuring the Switch to Use Vendor-Specific RADIUS Attributes 6-29
Configuring the Switch for Vendor-Proprietary RADIUS Server Communication 6-31
Displaying the RADIUS Configuration				6-31
Controlling Switch Access with Kerberos				6-32
Understanding Kerberos		6-32
Kerberos Operation	6-34
Authenticating to a Boundary Switch					6-34
Obtaining a TGT from a KDC			6-35
Authenticating to Network Services					6-35
Configuring Kerberos	6-35
Configuring the Switch for Local Authentication and Authorization 6-36

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					Configuring the Switch for Secure Shell					6-37
					Understanding SSH		6-38
					SSH Servers, Integrated Clients, and Supported Versions 6-38
					Limitations	6-39
					Configuring SSH		6-39
					Configuration Guidelines				6-39
					Setting Up the Switch to Run SSH						6-39
					Configuring the SSH Server				6-41
					Displaying the SSH Configuration and Status							6-41
					Configuring the Switch for Secure Socket Layer HTTP								6-42
					Understanding Secure HTTP Servers and Clients								6-42
					Certificate Authority Trustpoints					6-42
					CipherSuites		6-44
					Configuring Secure HTTP Servers and Clients							6-44
					Default SSL Configuration				6-44
					SSL Configuration Guidelines					6-45
					Configuring a CA Trustpoint				6-45
					Configuring the Secure HTTP Server						6-46
					Configuring the Secure HTTP Client						6-47
					Displaying Secure HTTP Server and Client Status								6-48
					Configuring the Switch for Secure Copy Protocol							6-48
					Information About Secure Copy					6-49
					Configuring IEEE 802.1x Port-Based Authentication 7-1
C H A P T E R 7
					Understanding IEEE 802.1x Port-Based Authentication								7-1
					Device Roles	7-2
					Authentication Process			7-3
					Authentication Initiation and Message Exchange								7-5
					Ports in Authorized and Unauthorized States							7-7
					IEEE 802.1x Host Mode			7-8
					IEEE 802.1x Accounting			7-9
					IEEE 802.1x Accounting Attribute-Value Pairs							7-9
					Using IEEE 802.1x Authentication with VLAN Assignment										7-10
					Using IEEE 802.1x Authentication with Per-User ACLs									7-11
					Using IEEE 802.1x Authentication with Guest VLAN									7-12
					Using IEEE 802.1x Authentication with Restricted VLAN										7-13
					Using IEEE 802.1x Authentication with Inaccessible Authentication Bypass 7-14
					Using IEEE 802.1x Authentication with Voice VLAN Ports										7-15
					Using IEEE 802.1x Authentication with Port Security									7-15
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	Using IEEE 802.1x Authentication with Wake-on-LAN								7-16
	Using IEEE 802.1x Authentication with MAC Authentication Bypass 7-17
	Configuring IEEE 802.1x Authentication					7-18
	Default IEEE 802.1x Authentication Configuration							7-19
	IEEE 802.1x Authentication Configuration Guidelines								7-20
	IEEE 802.1x Authentication				7-20
	VLAN Assignment, Guest VLAN, Restricted VLAN, and Inaccessible Authentication
	Bypass	7-21
	MAC Authentication Bypass					7-22
	Configuring IEEE 802.1x Authentication						7-22
	Configuring the Switch-to-RADIUS-Server Communication									7-23
	Configuring the Host Mode			7-25
	Configuring Periodic Re-Authentication						7-25
	Manually Re-Authenticating a Client Connected to a Port									7-26
	Changing the Quiet Period			7-26
	Changing the Switch-to-Client Retransmission Time								7-27
	Setting the Switch-to-Client Frame-Retransmission Number									7-28
	Setting the Re-Authentication Number						7-29
	Configuring IEEE 802.1x Accounting					7-29
	Configuring a Guest VLAN			7-30
	Configuring a Restricted VLAN				7-31
	Configuring the Inaccessible Authentication Bypass Feature									7-33
	Configuring IEEE 802.1x Authentication with WoL							7-35
	Configuring MAC Authentication Bypass						7-36
	Configuring IEEE 802.1x Authentication Using a RADIUS Server 7-37
	Disabling IEEE 802.1x Authentication on the Port							7-38
	Resetting the IEEE 802.1x Authentication Configuration to the Default Values 7-38
	Displaying IEEE 802.1x Statistics and Status						7-39
	Configuring Interface Characteristics
C H A P T E R 8						8-1
	Understanding Interface Types			8-1
	Port-Based VLANs		8-2
	Switch Ports	8-2
	Internal Gigabit Ethernet Ports					8-2
	Access Ports		8-3
	Trunk Ports		8-3
	EtherChannel Port Groups			8-4
	Dual-Purpose Uplink Ports			8-4

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				Connecting Interfaces		8-5
				Management-Only Interface			8-5
				Using Interface Configuration Mode				8-6
				Procedures for Configuring Interfaces					8-6
				Configuring a Range of Interfaces 8-7
				Configuring and Using Interface Range Macros							8-8
				Configuring Ethernet Interfaces			8-10
				Default Ethernet Interface Configuration					8-10
				Configuring Interface Speed and Duplex Mode							8-11
				Speed and Duplex Configuration Guidelines							8-11
				Setting the Type of a Dual-Purpose Uplink Port 8-12
				Setting the Interface Speed and Duplex Parameters 8-14
				Configuring IEEE 802.3x Flow Control 8-15
				Configuring Auto-MDIX on an Interface					8-16
				Adding a Description for an Interface					8-17
				Configuring the System MTU		8-18
				Monitoring and Maintaining the Interfaces					8-19
				Monitoring Interface Status			8-19
				Clearing and Resetting Interfaces and Counters							8-20
				Shutting Down and Restarting the Interface						8-20
				Configuring Smartports Macros
C H A P T E R 9							9-1
				Understanding Smartports Macros				9-1
				Configuring Smartports Macros			9-2
				Default Smartports Macro Configuration					9-2
				Smartports Macro Configuration Guidelines						9-3
				Creating Smartports Macros				9-4
				Applying Smartports Macros				9-5
				Applying Cisco-Default Smartports Macros						9-6
				Displaying Smartports Macros			9-8
				Configuring VLANs 10-1
C H A P T E R 10
				Understanding VLANs	10-1
				Supported VLANs	10-2
				VLAN Port Membership Modes				10-3
				Configuring Normal-Range VLANs				10-4
				Token Ring VLANs	10-5
				Normal-Range VLAN Configuration Guidelines							10-5
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	VLAN Configuration Mode Options					10-6
	VLAN Configuration in config-vlan Mode								10-6
	VLAN Configuration in VLAN Database Configuration Mode 10-6
	Saving VLAN Configuration			10-6
	Default Ethernet VLAN Configuration					10-7
	Creating or Modifying an Ethernet VLAN							10-8
	Deleting a VLAN 10-9
	Assigning Static-Access Ports to a VLAN							10-10
	Configuring Extended-Range VLANs				10-11
	Default VLAN Configuration			10-11
	Extended-Range VLAN Configuration Guidelines									10-12
	Creating an Extended-Range VLAN					10-12
	Displaying VLANs	10-13
	Configuring VLAN Trunks		10-14
	Trunking Overview		10-14
	Encapsulation Types 10-16
	IEEE 802.1Q Configuration Considerations								10-16
	Default Layer 2 Ethernet Interface VLAN Configuration										10-17
	Configuring an Ethernet Interface as a Trunk Port									10-17
	Interaction with Other Features					10-17
	Configuring a Trunk Port				10-18
	Defining the Allowed VLANs on a Trunk								10-19
	Changing the Pruning-Eligible List						10-20
	Configuring the Native VLAN for Untagged Traffic										10-21
	Configuring Trunk Ports for Load Sharing							10-21
	Load Sharing Using STP Port Priorities							10-22
	Load Sharing Using STP Path Cost						10-23
	Configuring VMPS	10-25
	Understanding VMPS		10-25
	Dynamic-Access Port VLAN Membership								10-26
	Default VMPS Client Configuration					10-26
	VMPS Configuration Guidelines				10-26
	Configuring the VMPS Client				10-27
	Entering the IP Address of the VMPS							10-27
	Configuring Dynamic-Access Ports on VMPS Clients										10-27
	Reconfirming VLAN Memberships						10-28
	Changing the Reconfirmation Interval							10-28
	Changing the Retry Count				10-29
	Monitoring the VMPS		10-29
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				Troubleshooting Dynamic-Access Port VLAN Membership 10-30
				VMPS Configuration Example						10-30
				Configuring VTP
C H A P T E R 11					11-1
				Understanding VTP		11-1
				The VTP Domain			11-2
				VTP Modes	11-3
				VTP Advertisements				11-3
				VTP Version 2		11-4
				VTP Pruning	11-4
				Configuring VTP	11-6
				Default VTP Configuration					11-6
				VTP Configuration Options						11-7
				VTP Configuration in Global Configuration Mode										11-7
				VTP Configuration in VLAN Database Configuration Mode 11-7
				VTP Configuration Guidelines						11-8
				Domain Names				11-8
				Passwords			11-8
				VTP Version			11-8
				Configuration Requirements							11-9
				Configuring a VTP Server					11-9
				Configuring a VTP Client					11-11
				Disabling VTP (VTP Transparent Mode)								11-12
				Enabling VTP Version 2					11-13
				Enabling VTP Pruning				11-14
				Adding a VTP Client Switch to a VTP Domain									11-14
				Monitoring VTP	11-16
				Configuring Voice VLAN
C H A P T E R 12							12-1
				Understanding Voice VLAN				12-1
				Cisco IP Phone Voice Traffic						12-2
				Cisco IP Phone Data Traffic						12-2
				Configuring Voice VLAN				12-3
				Default Voice VLAN Configuration							12-3
				Voice VLAN Configuration Guidelines								12-3
				Configuring a Port Connected to a Cisco 7960 IP Phone										12-4
				Configuring Cisco IP Phone Voice Traffic									12-4
				Configuring the Priority of Incoming Data Frames										12-6
				Displaying Voice VLAN			12-6
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C H A P T E R 13	Configuring STP 13-1
	Understanding Spanning-Tree Features		13-1
	STP Overview 13-2
	Spanning-Tree Topology and BPDUs		13-3
	Bridge ID, Switch Priority, and Extended System ID 13-4
	Spanning-Tree Interface States 13-4
	Blocking State	13-6
	Listening State	13-6
	Learning State	13-6
	Forwarding State	13-6
	Disabled State	13-7

How a Switch or Port Becomes the Root Switch or Root Port							13-7
Spanning Tree and Redundant Connectivity					13-8
Spanning-Tree Address Management				13-8
Accelerated Aging to Retain Connectivity					13-8
Spanning-Tree Modes and Protocols				13-9
Supported Spanning-Tree Instances				13-9
Spanning-Tree Interoperability and Backward Compatibility							13-10
STP and IEEE 802.1Q Trunks		13-10
Configuring Spanning-Tree Features			13-10
Default Spanning-Tree Configuration				13-11
Spanning-Tree Configuration Guidelines					13-12
Changing the Spanning-Tree Mode.				13-13
Disabling Spanning Tree	13-14
Configuring the Root Switch		13-14
Configuring a Secondary Root Switch				13-16
Configuring Port Priority	13-16
Configuring Path Cost	13-18
Configuring the Switch Priority of a VLAN					13-19
Configuring Spanning-Tree Timers			13-20
Configuring the Hello Time			13-20
Configuring the Forwarding-Delay Time for a VLAN						13-21
Configuring the Maximum-Aging Time for a VLAN						13-21
Configuring the Transmit Hold-Count					13-22
Displaying the Spanning-Tree Status			13-22

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C H A P T E R 14	Configuring MSTP	14-1
	Understanding MSTP		14-2
	Multiple Spanning-Tree Regions 14-2
	IST, CIST, and CST		14-3
	Operations Within an MST Region					14-3
	Operations Between MST Regions					14-4
	IEEE 802.1s Terminology			14-5
	Hop Count	14-5
	Boundary Ports 14-6
	IEEE 802.1s Implementation			14-6
	Port Role Naming Change			14-7
	Interoperation Between Legacy and Standard Switches 14-7
	Detecting Unidirectional Link Failure					14-8
	Interoperability with IEEE 802.1D STP				14-8
	Understanding RSTP		14-8
	Port Roles and the Active Topology				14-9
	Rapid Convergence 14-10
	Synchronization of Port Roles			14-11

Bridge Protocol Data Unit Format and Processing 14-12

Processing Superior BPDU Information	14-13
Processing Inferior BPDU Information	14-13
Topology Changes 14-13
Configuring MSTP Features 14-14
Default MSTP Configuration 14-14

			MSTP Configuration Guidelines			14-15
			Specifying the MST Region Configuration and Enabling MSTP 14-16
			Configuring the Root Switch		14-17
			Configuring a Secondary Root Switch				14-18
			Configuring Port Priority	14-19
			Configuring Path Cost	14-20
			Configuring the Switch Priority			14-21
			Configuring the Hello Time		14-22
			Configuring the Forwarding-Delay Time					14-23
			Configuring the Maximum-Aging Time				14-23
			Configuring the Maximum-Hop Count				14-24
			Specifying the Link Type to Ensure Rapid Transitions 14-24
			Designating the Neighbor Type			14-25
			Restarting the Protocol Migration Process					14-25
			Displaying the MST Configuration and Status					14-26
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C H A P T E R 15	Configuring Optional Spanning-Tree Features			15-1
	Understanding Optional Spanning-Tree Features			15-1
	Understanding Port Fast	15-2
	Understanding BPDU Guard		15-2
	Understanding BPDU Filtering		15-3
	Understanding UplinkFast	15-3
	Understanding BackboneFast		15-5
	Understanding EtherChannel Guard 15-7
	Understanding Root Guard	15-8
	Understanding Loop Guard		15-9

Configuring Optional Spanning-Tree Features 15-9
Default Optional Spanning-Tree Configuration 15-9
Optional Spanning-Tree Configuration Guidelines		15-10
Enabling Port Fast 15-10
Enabling BPDU Guard	15-11
Enabling BPDU Filtering 15-12
Enabling UplinkFast for Use with Redundant Links		15-13
Enabling BackboneFast	15-13
Enabling EtherChannel Guard 15-14
Enabling Root Guard	15-15
Enabling Loop Guard	15-15

	Displaying the Spanning-Tree Status		15-16
	Configuring Flex Links and the MAC Address-Table Move Update Feature 16-1
C H A P T E R 16
	Understanding Flex Links and the MAC Address-Table Move Update 16-1
	Flex Links 16-1
	MAC Address-Table Move Update		16-2
	Configuring Flex Links and MAC Address-Table Move Update			16-4
	Configuration Guidelines 16-4
	Default Configuration	16-4
	Configuring Flex Links and MAC Address-Table Move Update			16-5
	Configuring Flex Links	16-5
	Configuring the MAC Address-Table Move Update Feature			16-6
	Monitoring Flex Links and the MAC Address-Table Move Update 16-8

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C H A P T E R 17	Configuring DHCP Features		17-1
	Understanding DHCP Features				17-1
	DHCP Server 17-2
	DHCP Relay Agent		17-2
	DHCP Snooping	17-2
	Option-82 Data Insertion			17-3
	Configuring DHCP Features			17-6
	Default DHCP Configuration				17-6
	DHCP Snooping Configuration Guidelines 17-7
	Configuring the DHCP Relay Agent						17-8
	Enabling DHCP Snooping and Option 82							17-8
	Enabling the Cisco IOS DHCP Server Database 17-10
	Displaying DHCP Snooping Information						17-10
	Configuring IGMP Snooping and MVR
C H A P T E R 18							18-1
	Understanding IGMP Snooping				18-1
	IGMP Versions	18-2
	Joining a Multicast Group				18-3
	Leaving a Multicast Group				18-5
	Immediate Leave	18-5
	IGMP Configurable-Leave Timer					18-5
	IGMP Report Suppression				18-6
	Configuring IGMP Snooping			18-6
	Default IGMP Snooping Configuration							18-6
	Enabling or Disabling IGMP Snooping							18-7
	Setting the Snooping Method					18-8
	Configuring a Multicast Router Port						18-9
	Configuring a Blade Server Statically to Join a Group								18-9
	Enabling IGMP Immediate Leave					18-10
	Configuring the IGMP Leave Timer						18-11
	Configuring TCN-Related Commands							18-11
	Controlling the Multicast Flooding Time After a TCN Event 18-12
	Recovering from Flood Mode						18-12
	Disabling Multicast Flooding During a TCN Event								18-13
	Configuring the IGMP Snooping Querier							18-13
	Disabling IGMP Report Suppression						18-15
	Displaying IGMP Snooping Information						18-15
	Understanding Multicast VLAN Registration							18-17

			Using MVR in a Multicast Television Application	18-18
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Configuring MVR 18-19
Default MVR Configuration	18-19
MVR Configuration Guidelines and Limitations 18-20
Configuring MVR Global Parameters 18-20
Configuring MVR Interfaces	18-21

Displaying MVR Information	18-23
Configuring IGMP Filtering and Throttling 18-23
Default IGMP Filtering and Throttling Configuration 18-24
Configuring IGMP Profiles	18-24
Applying IGMP Profiles	18-25

	Setting the Maximum Number of IGMP Groups					18-26
	Configuring the IGMP Throttling Action				18-27
	Displaying IGMP Filtering and Throttling Configuration					18-28
	Configuring Port-Based Traffic Control
C H A P T E R 19				19-1
	Configuring Storm Control	19-1
	Understanding Storm Control		19-1
	Default Storm Control Configuration			19-3
	Configuring Storm Control and Threshold Levels					19-3
	Configuring Protected Ports	19-5
	Default Protected Port Configuration			19-6
	Protected Port Configuration Guidelines				19-6
	Configuring a Protected Port		19-6
	Configuring Port Blocking	19-6
	Default Port Blocking Configuration			19-7
	Blocking Flooded Traffic on an Interface				19-7
	Configuring Port Security	19-7
	Understanding Port Security		19-8
	Secure MAC Addresses		19-8
	Security Violations	19-9
	Default Port Security Configuration			19-10
	Port Security Configuration Guidelines				19-10
	Enabling and Configuring Port Security				19-11
	Enabling and Configuring Port Security Aging 19-15
	Displaying Port-Based Traffic Control Settings 19-16

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C H A P T E R 20				Configuring CDP	20-1
				Understanding CDP		20-1
				Configuring CDP	20-2
				Default CDP Configuration					20-2
				Configuring the CDP Characteristics							20-2
				Disabling and Enabling CDP						20-3
				Disabling and Enabling CDP on an Interface									20-4
				Monitoring and Maintaining CDP						20-4
				Configuring UDLD
C H A P T E R 21					21-1
				Understanding UDLD		21-1
				Modes of Operation			21-1
				Methods to Detect Unidirectional Links								21-2
				Configuring UDLD		21-3
				Default UDLD Configuration						21-4
				Configuration Guidelines					21-4
				Enabling UDLD Globally				21-5
				Enabling UDLD on an Interface						21-5
				Resetting an Interface Disabled by UDLD								21-6
				Displaying UDLD Status			21-6
				Configuring SPAN and RSPAN
C H A P T E R 22									22-1
				Understanding SPAN and RSPAN						22-1
				Local SPAN	22-2
				Remote SPAN		22-2
				SPAN and RSPAN Concepts and Terminology									22-3
				SPAN Sessions			22-3
				Monitored Traffic				22-4
				Source Ports 22-5
				Source VLANs			22-6
				VLAN Filtering			22-6
				Destination Port			22-6
				RSPAN VLAN			22-7
				SPAN and RSPAN Interaction with Other Features 22-8
				Configuring SPAN and RSPAN					22-9
				Default SPAN and RSPAN Configuration								22-9
				Configuring Local SPAN				22-9
				SPAN Configuration Guidelines							22-10
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	Creating a Local SPAN Session					22-10
	Creating a Local SPAN Session and Configuring Incoming Traffic 22-13
	Specifying VLANs to Filter				22-14
	Configuring RSPAN		22-15
	RSPAN Configuration Guidelines					22-15
	Configuring a VLAN as an RSPAN VLAN						22-16
	Creating an RSPAN Source Session 22-17
	Creating an RSPAN Destination Session						22-19
	Creating an RSPAN Destination Session and Configuring Incoming Traffic 22-20
	Specifying VLANs to Filter				22-22
	Displaying SPAN and RSPAN Status				22-23
	Configuring RMON
C H A P T E R 23		23-1
	Understanding RMON		23-1
	Configuring RMON	23-2
	Default RMON Configuration			23-3
	Configuring RMON Alarms and Events					23-3
	Collecting Group History Statistics on an Interface							23-5
	Collecting Group Ethernet Statistics on an Interface 23-5
	Displaying RMON Status		23-6
	Configuring System Message Logging
C H A P T E R 24					24-1
	Understanding System Message Logging					24-1
	Configuring System Message Logging				24-2
	System Log Message Format			24-2
	Default System Message Logging Configuration							24-3
	Disabling Message Logging			24-3
	Setting the Message Display Destination Device							24-4
	Synchronizing Log Messages			24-5
	Enabling and Disabling Time Stamps on Log Messages 24-7
	Enabling and Disabling Sequence Numbers in Log Messages 24-7
	Defining the Message Severity Level					24-8
	Limiting Syslog Messages Sent to the History Table and to SNMP 24-9
	Configuring UNIX Syslog Servers				24-10
	Logging Messages to a UNIX Syslog Daemon							24-10
	Configuring the UNIX System Logging Facility							24-11
	Displaying the Logging Configuration				24-12

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C H A P T E R 25	Configuring SNMP 25-1
	Understanding SNMP		25-1
	SNMP Versions	25-2
	SNMP Manager Functions			25-3
	SNMP Agent Functions 25-4
	SNMP Community Strings			25-4
	Using SNMP to Access MIB Variables						25-4
	SNMP Notifications		25-5
	SNMP ifIndex MIB Object Values					25-5
	Configuring SNMP	25-6
	Default SNMP Configuration				25-6
	SNMP Configuration Guidelines					25-6
	Disabling the SNMP Agent			25-7
	Configuring Community Strings				25-8
	Configuring SNMP Groups and Users						25-9
	Configuring SNMP Notifications					25-11
	Setting the Agent Contact and Location Information								25-14
	Limiting TFTP Servers Used Through SNMP							25-15
	SNMP Examples	25-15
	Displaying SNMP Status		25-16
	Configuring Network Security with ACLs
C H A P T E R 26							26-1
	Understanding ACLs	26-1
	Supported ACLs	26-2
	Port ACLs	26-3
	VLAN Maps	26-4
	Handling Fragmented and Unfragmented Traffic 26-4
	Configuring IPv4 ACLs		26-5
	Creating Standard and Extended IPv4 ACLs							26-6
	Access List Numbers			26-7
	Creating a Numbered Standard ACL							26-8
	Creating a Numbered Extended ACL							26-9
	Resequencing ACEs in an ACL					26-13
	Creating Named Standard and Extended ACLs								26-13
	Using Time Ranges with ACLs					26-15
	Including Comments in ACLs					26-17

			Applying an IPv4 ACL to a Terminal Line 26-17
			Applying an IPv4 ACL to an Interface 26-18
			Hardware and Software Treatment of IP ACLs	26-19
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26-19

26-19

26-19

Contents

IPv4 ACL Configuration Examples

Numbered ACLs

Extended ACLs

Named ACLs 26-20

		Time Range Applied to an IP ACL					26-20
		Commented IP ACL Entries			26-20
		Creating Named MAC Extended ACLs				26-21
		Applying a MAC ACL to a Layer 2 Interface							26-22
		Configuring VLAN Maps		26-23
		VLAN Map Configuration Guidelines					26-24
		Creating a VLAN Map		26-25
		Examples of ACLs and VLAN Maps						26-25
		Applying a VLAN Map to a VLAN				26-27
		Using VLAN Maps in Your Network					26-28
		Wiring Closet Configuration				26-28
		Denying Access to a Server on a VLAN							26-29
		Displaying IPv4 ACL Configuration			26-30
		Configuring QoS 27-1
C H A P T E R 27
		Understanding QoS	27-1
		Basic QoS Model	27-3
		Classification 27-5
		Classification Based on QoS ACLs						27-7
		Classification Based on Class Maps and Policy Maps 27-7
		Policing and Marking		27-8
		Policing on Physical Ports			27-9
		Policing on SVIs		27-10
		Mapping Tables	27-12
		Queueing and Scheduling Overview					27-13
		Weighted Tail Drop 27-13
		SRR Shaping and Sharing			27-14
		Queueing and Scheduling on Ingress Queues								27-15
		Queueing and Scheduling on Egress Queues								27-17
		Packet Modification		27-19
		Configuring Auto-QoS	27-20
		Generated Auto-QoS Configuration					27-21
		Effects of Auto-QoS on the Configuration							27-25
		Auto-QoS Configuration Guidelines					27-25
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Enabling Auto-QoS for VoIP		27-26
Auto-QoS Configuration Example			27-27
Displaying Auto-QoS Information		27-29
Configuring Standard QoS	27-29
Default Standard QoS Configuration				27-30
Default Ingress Queue Configuration					27-30
Default Egress Queue Configuration					27-31
Default Mapping Table Configuration						27-32
Standard QoS Configuration Guidelines					27-32
QoS ACL Guidelines	27-32
Applying QoS on Interfaces			27-32
Policing Guidelines	27-33
General QoS Guidelines		27-33
Enabling QoS Globally	27-34
Enabling VLAN-Based QoS on Physical Ports						27-34
Configuring Classification Using Port Trust States							27-35
Configuring the Trust State on Ports within the QoS Domain 27-35
Configuring the CoS Value for an Interface 27-37
Configuring a Trusted Boundary to Ensure Port Security								27-37
Enabling DSCP Transparency Mode					27-39
Configuring the DSCP Trust State on a Port Bordering Another QoS Domain 27-39
Configuring a QoS Policy 27-41
Classifying Traffic by Using ACLs				27-42
Classifying Traffic by Using Class Maps						27-45
Classifying, Policing, and Marking Traffic on Physical Ports by Using Policy Maps									27-47
Classifying, Policing, and Marking Traffic on SVIs by Using Hierarchical Policy Maps									27-51
Classifying, Policing, and Marking Traffic by Using Aggregate Policers 27-57
Configuring DSCP Maps	27-59
Configuring the CoS-to-DSCP Map					27-59
Configuring the IP-Precedence-to-DSCP Map							27-60
Configuring the Policed-DSCP Map					27-61
Configuring the DSCP-to-CoS Map					27-62
Configuring the DSCP-to-DSCP-Mutation Map							27-63
Configuring Ingress Queue Characteristics						27-65
Mapping DSCP or CoS Values to an Ingress Queue and Setting WTD Thresholds 27-66
Allocating Buffer Space Between the Ingress Queues								27-67
Allocating Bandwidth Between the Ingress Queues 27-67
Configuring the Ingress Priority Queue						27-68

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		Configuring Egress Queue Characteristics					27-69
		Configuration Guidelines 27-70
		Allocating Buffer Space to and Setting WTD Thresholds for an Egress Queue-Set 27-70
		Mapping DSCP or CoS Values to an Egress Queue and to a Threshold ID 27-72
		Configuring SRR Shaped Weights on Egress Queues									27-74
		Configuring SRR Shared Weights on Egress Queues									27-75
		Configuring the Egress Expedite Queue						27-76
		Limiting the Bandwidth on an Egress Interface								27-76
		Displaying Standard QoS Information			27-77
		Configuring EtherChannels and Layer 2 Trunk Failover
C H A P T E R 28										28-1
		Understanding EtherChannels		28-1
		EtherChannel Overview		28-2
		Port-Channel Interfaces		28-3
		Port Aggregation Protocol		28-4
		PAgP Modes	28-4
		PAgP Interaction with Other Features						28-5
		Link Aggregation Control Protocol			28-5
		LACP Modes	28-5
		LACP Interaction with Other Features						28-6
		EtherChannel On Mode		28-6
		Load Balancing and Forwarding Methods					28-6
		Configuring EtherChannels 28-8
		Default EtherChannel Configuration				28-9
		EtherChannel Configuration Guidelines					28-9
		Configuring Layer 2 EtherChannels				28-10
		Configuring EtherChannel Load Balancing					28-12
		Configuring the PAgP Learn Method and Priority							28-13
		Configuring LACP Hot-Standby Ports				28-14
		Configuring the LACP System Priority						28-15
		Configuring the LACP Port Priority				28-16
		Displaying EtherChannel, PAgP, and LACP Status						28-17
		Understanding Layer 2 Trunk Failover			28-17
		Configuring Layer 2 Trunk Failover			28-18
		Default Layer 2 Trunk Failover Configuration							28-18
		Layer 2 Trunk Failover Configuration Guidelines								28-19
		Configuring Layer 2 Trunk Failover					28-19
		Displaying Layer 2 Trunk Failover Status						28-20
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C H A P T E R 29	Troubleshooting 29-1
	Recovering from a Software Failure 29-2
	Recovering from a Lost or Forgotten Password		29-3
	Procedure with Password Recovery Enabled		29-4
	Procedure with Password Recovery Disabled		29-6
	Preventing Autonegotiation Mismatches	29-7
	SFP Module Security and Identification	29-8
	Monitoring SFP Module Status 29-8
	Monitoring Temperature 29-9
	Using Ping 29-9

	Understanding Ping			29-9
	Executing Ping		29-9
	Using Layer 2 Traceroute			29-10
	Understanding Layer 2 Traceroute						29-10
	Usage Guidelines			29-11
	Displaying the Physical Path					29-12
	Using IP Traceroute		29-12
	Understanding IP Traceroute					29-12
	Executing IP Traceroute				29-13
	Using TDR	29-14
	Understanding TDR			29-14
	Running TDR and Displaying the Results							29-14
	Using Debug Commands			29-14
	Enabling Debugging on a Specific Feature							29-15
	Enabling All-System Diagnostics						29-15
	Redirecting Debug and Error Message Output 29-16
	Using the show platform forward Command							29-16
	Using the crashinfo Files			29-18
	Basic crashinfo Files			29-18
	Extended crashinfo Files				29-18
	Supported MIBs A-1
A P P E N D I X A
	MIB List	A-1
	Using FTP to Access the MIB Files					A-3

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A P P E N D I X B	Working with the Cisco IOS File System, Configuration Files, and Software Images B-1
	Working with the Flash File System		B-1
	Displaying Available File Systems		B-2
	Setting the Default File System		B-3
	Displaying Information about Files on a File System B-3
	Changing Directories and Displaying the Working Directory B-3
	Creating and Removing Directories B-4
	Copying Files	B-4
	Deleting Files	B-5

	Creating, Displaying, and Extracting tar Files B-5
	Creating a tar File	B-6
	Displaying the Contents of a tar File				B-6
	Extracting a tar File	B-8
	Displaying the Contents of a File B-8
	Working with Configuration Files		B-8
	Guidelines for Creating and Using Configuration Files						B-9
	Configuration File Types and Location			B-10
	Creating a Configuration File By Using a Text Editor						B-10
	Copying Configuration Files By Using TFTP				B-10
	Preparing to Download or Upload a Configuration File By Using TFTP							B-11
	Downloading the Configuration File By Using TFTP B-11
	Uploading the Configuration File By Using TFTP						B-12
	Copying Configuration Files By Using FTP				B-12
	Preparing to Download or Upload a Configuration File By Using FTP							B-13
	Downloading a Configuration File By Using FTP						B-13
	Uploading a Configuration File By Using FTP					B-14
	Copying Configuration Files By Using RCP				B-15
	Preparing to Download or Upload a Configuration File By Using RCP							B-16
	Downloading a Configuration File By Using RCP						B-17
	Uploading a Configuration File By Using RCP					B-18
	Clearing Configuration Information			B-18
	Clearing the Startup Configuration File				B-19
	Deleting a Stored Configuration File				B-19
	Working with Software Images		B-19
	Image Location on the Switch		B-20
	tar File Format of Images on a Server or Cisco.com						B-20
	Copying Image Files By Using TFTP			B-21
	Preparing to Download or Upload an Image File By Using TFTP B-21
	Downloading an Image File By Using TFTP					B-22
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		Uploading an Image File By Using TFTP					B-24
	Copying Image Files By Using FTP				B-24
		Preparing to Download or Upload an Image File By Using FTP							B-25
		Downloading an Image File By Using FTP					B-26
		Uploading an Image File By Using FTP				B-27
	Copying Image Files By Using RCP				B-28
		Preparing to Download or Upload an Image File By Using RCP							B-29
		Downloading an Image File By Using RCP					B-30
		Uploading an Image File By Using RCP					B-32
	Unsupported Commands in Cisco IOS Release 12.2(25)SEF C-1
A P P E N D I X C
	Access Control Lists		C-1
	Unsupported Privileged EXEC Commands					C-1
	Unsupported Global Configuration Commands						C-1
	Unsupported Route-Map Configuration Commands							C-1
	IGMP Snooping Commands			C-2
	Unsupported Global Configuration Commands						C-2
	Interface Commands		C-2
	Unsupported Privileged EXEC Commands					C-2
	Unsupported Global Configuration Commands						C-2
	Unsupported Interface Configuration Commands							C-2
	MAC Address Commands			C-2
	Unsupported Privileged EXEC Commands					C-2
	Unsupported Global Configuration Commands						C-3
	Miscellaneous C-3
	Unsupported Privileged EXEC Commands					C-3
	Unsupported Global Configuration Commands						C-3
	Network Address Translation (NAT) Commands						C-3
	Unsupported Privileged EXEC Commands					C-3
	QoS C-3
	Unsupported Global Configuration Commands						C-3
	Unsupported Interface Configuration Commands							C-4
	Unsupported Policy-Map Configuration Commands							C-4
	RADIUS	C-4
	Unsupported Global Configuration Commands						C-4
	SNMP	C-4
	Unsupported Global Configuration Commands						C-4

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Spanning Tree C-4
Unsupported Global Configuration Command			C-4
Unsupported Interface Configuration Command			C-4
VLAN	C-5
Unsupported Global Configuration Commands			C-5
Unsupported vlan-config Command		C-5
Unsupported User EXEC Commands		C-5
VTP	C-5

Unsupported Privileged EXEC Commands C-5

I N D E X

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Preface

Audience

This guide is for the networking professional managing the Cisco Catalyst Blade Switch 3020 for HP, hereafter referred to as the switch module. Before using this guide, you should have experience working with the Cisco IOS software and be familiar with the concepts and terminology of Ethernet and local area networking.

Purpose

This guide provides the information that you need to configure Cisco IOS software features on your switch. The Cisco Catalyst Blade Switch 3020 for HPsoftware provides enterprise-class intelligent services such as access control lists (ACLs) and quality of service (QoS) features.

This guide provides procedures for using the commands that have been created or changed for use with the Cisco Catalyst Blade Switch3020 for HP. It does not provide detailed information about these commands. For detailed information about these commands, see the Cisco Catalyst Blade Switch 3020 for HP Command Reference for this release. For information about the standard Cisco IOS Release 12.2 commands, see the Cisco IOS documentation set available from the Cisco.com home page at Technical Support & Documentation > Cisco IOS Software.

This guide does not provide detailed information on the graphical user interface (GUI) for the embedded device manager that you can use to manage the switch. However, the concepts in this guide are applicable to the GUI user. For information about the device manager, see the switch online help.

This guide does not describe system messages you might encounter or how to install your switch. For more information, see the Cisco Catalyst Blade Switch 3020 for HP System Message Guide for this release and the Cisco Catalyst Blade Switch 3020 for HP Hardware Installation Guide.

For documentation updates, see the release notes for this release.

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Preface

Conventions

Conventions

This publication uses these conventions to convey instructions and information:

Command descriptions use these conventions:

•Commands and keywords are in boldface text.

•Arguments for which you supply values are in italic.

•Square brackets ([ ]) mean optional elements.

•Braces ({ }) group required choices, and vertical bars ( | ) separate the alternative elements.

•Braces and vertical bars within square brackets ([{ | }]) mean a required choice within an optional element.

Interactive examples use these conventions:

•Terminal sessions and system displays are in screen font.

•Information you enter is in boldface screen font.

•Nonprinting characters, such as passwords or tabs, are in angle brackets (< >). Notes, cautions, and timesavers use these conventions and symbols:

Note Means reader take note. Notes contain helpful suggestions or references to materials not contained in this manual.

Caution Means reader be careful. In this situation, you might do something that could result in equipment damage or loss of data.

Related Publications

For more information about the switch, see the Cisco Catalyst Blade Switch 3020 for HP documentation on Cisco.com.

http://www.cisco.com/en/US/products/ps6748/tsd_products_support_series_home.html

Note Before installing, configuring, or upgrading the switch, see these documents:

•For initial configuration information, see the “Configuring the Switch Module”section in the getting started guide or the “Configuring the Switch with the CLI-Based Setup Program” appendix in the hardware installation guide.

•For device manager requirements, see the “System Requirements” section in the release notes (not orderable but available on Cisco.com).

•For upgrading information, see the “Downloading Software” section in the release notes.

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