Cisco SRST - 881 EN Security Router Wireless, SRST SNMP MIB 3.4 User Manual

Cisco SRST SNMP MIB Release 3.4 Guide

October 26 2005

Corporate Headquarters

Cisco Systems, Inc. 170 West Tasman Drive San José, CA 95134-1706 USA http://www.cisco.com Tel: 408 526-4000

800 553-NETS (6387)

Fax: 408 526-4100

Text Part Number: OL-7959-01

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Cisco SRST SNMP MIB Release 3.4 Guide

Preface v

About this Preface v

Document Objective v

Audience v

Document Organization vi

Document Conventions vi

Syntax Conventions vi

Obtaining Documentation ix

Cisco.com ix Documentation DVD ix Ordering Documentation ix

Documentation Feedback x

Cisco Product Security Overview x

Reporting Security Problems in Cisco Products x

Obtaining Technical Assistance xi

Cisco Technical Support Website xi Submitting a Service Request xi Definitions of Service Request Severity xii

CONTENTS

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Obtaining Additional Publications and Information xii

Summary History of Document Changes xiii

Cisco SRST SNMP MIB Support 1-1

Overview 1-1

Design of the CISCO-SRST-MIB 1-2

Structure 1-2

CISCO-SRST-MIB Features 1-4 Common Tables 1-8 Common Notifications/Traps 1-8 Common Objects 1-8 Common Tables 1-8 Dependencies of the SRST MIB 1-11

Limitations 1-12

Performance Impact 1-12

Prerequisites 1-12

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Contents

Supported Platforms for SRST 3.4 1-13

Cisco Voice Gateways 1-13 Cisco IP Phones 1-13

Licenses 1-14

Configuration 1-14

Using SNMP and MIBs to Extract CISCO-SRST-MIB Information 1-14 How to Configure the CISCO-SRST-MIB 1-14

Enabling the SNMP Agent 1-14 Verifying the Enabling of the SNMP Agent 1-15

Configuration Examples 1-15

Complete SRST Configuration Example 1-16 Configuring SRST Mode 1-19 Enabling Traps in SRST Mode 1-21 Monitoring SCCP Phone Statistics 1-22

Retrieving SIP Phone Registrations 1-23 Receiving Notifications/Traps 1-25 Command Reference 1-26

SNMP Overview 1-27

Network Management Overview 1-27 MIB Overview 1-28

MIB Source 1-28

MIB Objects 1-28

MIB Archive 1-29

SNMP 1-29

Internet MIB Hierarchy 1-30

SNMP MIB 1-31

Compliance 1-32

Cisco Compliance 1-32 Implementation 1-32

SNMP MIB Tables 1-32

CISCO-SRST-MIB Object Groups 1-33

SRST Traps 1-43

Cisco-SRST-MIB Object Mappings 1-43

Glossary 1-47

Cisco SRST SNMP MIB Release 3.4 Guide

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Preface

About this Preface

This preface describes the objectives, audience, organization, and conventions of this document, and explains how to find additional information on related products and services. It contains the following sections:

• Document Objective, page v

• Audience, page v

• Document Organization, page vi

• Obtaining Technical Assistance, page xi

• Document Conventions, page vi

• Syntax Conventions, page vi

• Obtaining Documentation, page ix

• Cisco Product Security Overview, page x

• Obtaining Technical Assistance, page xi

• Obtaining Additional Publications and Information, page xii

• Summary History of Document Changes, page xiii

Document Objective

This document describes the information regarding the Cisco SRST Simple Network Management Protocol (SNMP) Management Information Base (MIB). The document contains tables for you to use when using the SNMP MIB to monitor your system.

Audience

The primary audience for this document is network operators and administrators who have experience in the following areas:

• Telecommunications network operations

• Data network operations

• SNMP operstion

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Document Organization

• MIB syntax

• Telecommunications hardware

• Data network hardware

In addition, the following audiences may find this document useful:

• Software and hardware installers

• Network designers

Document Organization

This document contains the chapters listed in Table 1.

Table 1 Document Organization

Chapter Title Description

Chapter 1 Provisioning Overview This chapter includes a description of the Cisco SRST

Preface

MIB.

Document Conventions

Caution Means reader be careful. In this situation, you might do something that could result in equipment

damage or loss of data.

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

this manual.

Tip Means the following information might help you solve a problem.

Timesaver Means the described action saves time. You can save time by performing the action described in the

paragraph.

Syntax Conventions

Conventions used throughout this guide are shown in Table 2.

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Preface

Ta b l e 2 C o n v e n t i o n s

Convention Meaning Description / Comments

Boldface Commands and keywords

offset-list

you enter as shown.

Italics Variables for which you

supply values.

command type interface

You replace the variable with the type of interface.

In contexts that do not allow italics, such as online help, arguments are enclosed in angle brackets (< >).

Square brackets ([ ]) Optional elements. command [abc]

abc is optional (not required), but you can choose it.

Vertical bars ( | ) Separated alternative

elements.

command [ abc | def ]

You can choose either abc or def, or neither, but not both.

Braces ({ }) Required choices. command { abc | def }

Syntax Conventions

Yo u must choose either abc or def, but not both.

Braces and vertical bars within square brackets ([ { | } ])

A required choice within an optional element.

command [ abc { def | ghi } ]

You have three options:

nothing

abc def

abc ghi

Caret character (^) Control key. The key combinations ^D and Ctrl-D

are equivalent: Both mean “hold down the Control key while you press the D key.” Keys are indicated in capital letters, but are not case sensitive.

A nonquoted set of characters

A string. For example, when setting an SNMP

community string to public, do not use quotation marks around the string; otherwise, the string will include the quotation marks.

System prompts

Denotes interactive sessions, indicates that the user enters commands at the prompt.

Screen font Terminal sessions and

The system prompt indicates the current command mode. For example, the prompt

Router (config) #

indicates global configuration mode.

information the system displays.

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Syntax Conventions

Table 2 Conventions (continued)

Convention Meaning Description / Comments

Angle brackets (< >) Nonprinting characters such

as passwords.

Exclamation point (!) at the beginning of a line

A comment line. Comments are sometimes displayed by

the Cisco IOS software.

Conventions used in the Cisco SRST system (such as in CLI commands) are shown in Tab l e 3.

Ta b le 3 D at a Ty p e s

Data Type Definition Example

Integer A series of decimal digits from the set of 0 through 9 that

represents a positive integer. An integer may have one or more leading zero digits (0) added to the left side to align

123 000123 4200000000

the columns. Leading zeros are always valid as long as the number of digits is less than or equal to ten digits. Values of this type have a range of zero through

4294967295.

Signed integer

This data type has the same basic format as the integer but can be either positive or negative. When negative, it is preceded by the sign character (-). As with the integer

123

-000123

-2100000000l

data type, this data type can be as many as ten digits in length, not including the sign character. The value of this type has a range of 0 minus 2147483647 through

2147483647.

Hexadecimal A series of 16-based digits from the set of 0 through 9, a

through f, or A through F. The hexadecimal number may

1f3 01f3000

have one or more leading zeros (0) added to the left side. For all hexadecimal values, the maximum size is 0xffffffff (eight hexadecimal digits).

Text A series of alphanumeric characters from the ASCII

character set, where defined. Tab, space, and double

EntityID LineSES_Threshold999

quote (“ ”) characters cannot be used. Text can be as many as 255 characters; however, it is recommended that you limit the text to no more than 32 characters for readability.

String A series of alphanumeric characters and white-space

characters. A string is surrounded by double quotes (“ ”).

“This is a descriptive string.”

Strings can be as many as 255 characters; however, it is recommended that you limit the strings to no more than 80 characters for readability.

Preface

Note Hexadecimal and integer fields in files may have different widths (number of characters) for column

alignment.

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Preface

Obtaining Documentation

Cisco documentation and additional literature are available on Cisco.com. Cisco also provides several ways to obtain technical assistance and other technical resources. These sections explain how to obtain technical information from Cisco Systems.

Cisco.com

You can access the most current Cisco documentation at this URL:

http://www.cisco.com/univercd/home/home.htm

You can access the Cisco website at this URL:

http://www.cisco.com

You can access international Cisco websites at this URL:

http://www.cisco.com/public/countries_languages.shtml

Obtaining Documentation

Documentation DVD

Cisco documentation and additional literature are available in a Documentation DVD package, which may have shipped with your product. The Documentation DVD is updated regularly and may be more current than printed documentation. The Documentation DVD package is available as a single unit.

Registered Cisco.com users (Cisco direct customers) can order a Cisco Documentation DVD (product number DOC-DOCDVD=) from the Ordering tool or Cisco Marketplace.

Cisco Ordering tool:

http://www.cisco.com/en/US/partner/ordering/

Cisco Marketplace:

http://www.cisco.com/go/marketplace/

Ordering Documentation

You can find instructions for ordering documentation at this URL:

http://www.cisco.com/univercd/cc/td/doc/es_inpck/pdi.htm

You can order Cisco documentation in these ways:

• Registered Cisco.com users (Cisco direct customers) can order Cisco product documentation from

the Ordering tool:

http://www.cisco.com/en/US/partner/ordering/

• Nonregistered Cisco.com users can order documentation through a local account representative by

calling Cisco Systems Corporate Headquarters (California, USA) at 408 526-7208 or, elsewhere in North America, by calling 1 800 553-NETS (6387).

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Cisco SRST SNMP MIB Release 3.4 Guide

Documentation Feedback

You can send comments about technical documentation to bug-doc@cisco.com.

You can submit comments by using the response card (if present) behind the front cover of your document or by writing to the following address:

Cisco Systems Attn: Customer Document Ordering 170 West Tasman Drive San Jose, CA 95134-9883

We appreciate your comments.

Cisco Product Security Overview

Cisco provides a free online Security Vulnerability Policy portal at this URL:

http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html

Preface

From this site, you can perform these tasks:

• Report security vulnerabilities in Cisco products.

• Obtain assistance with security incidents that involve Cisco products.

• Register to receive security information from Cisco.

A current list of security advisories and notices for Cisco products is available at this URL:

http://www.cisco.com/go/psirt

If you prefer to see advisories and notices as they are updated in real time, you can access a Product Security Incident Response Team Really Simple Syndication (PSIRT RSS) feed from this URL:

http://www.cisco.com/en/US/products/products_psirt_rss_feed.html

Reporting Security Problems in Cisco Products

Cisco is committed to delivering secure products. We test our products internally before we release them, and we strive to correct all vulnerabilities quickly. If you think that you might have identified a vulnerability in a Cisco product, contact PSIRT:

• Emergencies— security-alert@cisco.com

• Nonemergencies— psirt@cisco.com

Tip We encourage you to use Pretty Good Privacy (PGP) or a compatible product to encrypt any sensitive

information that you send to Cisco. PSIRT can work from encrypted information that is compatible with PGP versions 2.x through 8.x.

Never use a revoked or an expired encryption key. The correct public key to use in your correspondence with PSIRT is the one that has the most recent creation date in this public key server list:

http://pgp.mit.edu:11371/pks/lookup?search=psirt%40cisco.com&op=index&exact=on

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Preface

In an emergency, you can also reach PSIRT by telephone:

• 1 877 228-7302

• 1 408 525-6532

Obtaining Technical Assistance

For all customers, partners, resellers, and distributors who hold valid Cisco service contracts, Cisco Technical Support provides 24-hour-a-day, award-winning technical assistance. The Cisco Technical Support Website on Cisco.com features extensive online support resources. In addition, Cisco Technical Assistance Center (TAC) engineers provide telephone support. If you do not hold a valid Cisco service contract, contact your reseller.

Cisco Technical Support Website

The Cisco Technical Support Website provides online documents and tools for troubleshooting and resolving technical issues with Cisco products and technologies. The website is available 24 hours a day, 365 days a year, at this URL:

http://www.cisco.com/techsupport

Obtaining Technical Assistance

Access to all tools on the Cisco Technical Support Website requires a Cisco.com user ID and password. If you have a valid service contract but do not have a user ID or password, you can register at this URL:

http://tools.cisco.com/RPF/register/register.do

Note Use the Cisco Product Identification (CPI) tool to locate your product serial number before submitting

a web or phone request for service. You can access the CPI tool from the Cisco Technical Support Website by clicking the Too l s & Re s ou rc e s link under Documentation & Tools. Choose Cisco Product

Identification Tool from the Alphabetical Index drop-down list, or click the Cisco Product Identification Tool link under Alerts & RMAs. The CPI tool offers three search options: by product ID

or model name; by tree view; or for certain products, by copying and pasting show command output. Search results show an illustration of your product with the serial number label location highlighted. Locate the serial number label on your product and record the information before placing a service call.

Submitting a Service Request

Using the online TAC Service Request Tool is the fastest way to open S3 and S4 service requests. (S3 and S4 service requests are those in which your network is minimally impaired or for which you require product information.) After you describe your situation, the TAC Service Request Tool provides recommended solutions. If your issue is not resolved using the recommended resources, your service request is assigned to a Cisco TAC engineer. The TAC Service Request Tool is located at this URL:

http://www.cisco.com/techsupport/servicerequest

For S1 or S2 service requests or if you do not have Internet access, contact the Cisco TAC by telephone. (S1 or S2 service requests are those in which your production network is down or severely degraded.) Cisco TAC engineers are assigned immediately to S1 and S2 service requests to help keep your business operations running smoothly.

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Obtaining Additional Publications and Information

To open a service request by telephone, use one of the following numbers:

Asia-Pacific: +61 2 8446 7411 (Australia: 1 800 805 227) EMEA: +32 2 704 55 55 USA: 1 800 553-2447

For a complete list of Cisco TAC contacts, go to this URL:

http://www.cisco.com/techsupport/contacts

Definitions of Service Request Severity

To ensure that all service requests are reported in a standard format, Cisco has established severity definitions.

Severity 1 (S1)—Your network is “down,” or there is a critical impact to your business operations. You and Cisco will commit all necessary resources around the clock to resolve the situation.

Severity 2 (S2)—Operation of an existing network is severely degraded, or significant aspects of your business operation are negatively affected by inadequate performance of Cisco products. You and Cisco will commit full-time resources during normal business hours to resolve the situation.

Severity 3 (S3)—Operational performance of your network is impaired, but most business operations remain functional. You and Cisco will commit resources during normal business hours to restore service to satisfactory levels.

Severity 4 (S4)—You require information or assistance with Cisco product capabilities, installation, or configuration. There is little or no effect on your business operations.

Preface

Obtaining Additional Publications and Information

Information about Cisco products, technologies, and network solutions is available from various online and printed sources.

• Cisco Marketplace provides a variety of Cisco books, reference guides, and logo merchandise. Visit

Cisco Marketplace, the company store, at this URL:

http://www.cisco.com/go/marketplace/

• Cisco Press publishes a wide range of general networking, training and certification titles. Both new

and experienced users will benefit from these publications. For current Cisco Press titles and other information, go to Cisco Press at this URL:

http://www.ciscopress.com

• Pack et magazine is the Cisco Systems technical user magazine for maximizing Internet and

networking investments. Each quarter, Packet delivers coverage of the latest industry trends, technology breakthroughs, and Cisco products and solutions, as well as network deployment and troubleshooting tips, configuration examples, customer case studies, certification and training information, and links to scores of in-depth online resources. You can access Packet magazine at this URL:

http://www.cisco.com/packet

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Preface

• iQ Magazine is the quarterly publication from Cisco Systems designed to help growing companies

learn how they can use technology to increase revenue, streamline their business, and expand services. The publication identifies the challenges facing these companies and the technologies to help solve them, using real-world case studies and business strategies to help readers make sound technology investment decisions. You can access iQ Magazine at this URL:

http://www.cisco.com/go/iqmagazine

• Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering

professionals involved in designing, developing, and operating public and private internets and intranets. You can access the Internet Protocol Journal at this URL:

http://www.cisco.com/ipj

• World-class networking training is available from Cisco. You can view current offerings at

this URL:

http://www.cisco.com/en/US/learning/index.html

Summary History of Document Changes

Table 4 describes the document changes made after the initial release of the Cisco SRST SNMP MIB

Release 3.4 Guide.

Table 4 Summary History of Document Changes

Document Number and Change

Subject

Date Change Summary

— OL-7959-01, October 26, 2005 Initial release

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Summary History of Document Changes

Preface

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CHA P TER

Cisco SRST SNMP MIB Support

Survivable Remote Site Telephony (SRST) Cisco IOS feature is used for the remote office routers that support from 24 to 720 users in a centralized CallManager processing environment, to back up IP phone calls and provide 911 emergency access by the public switched telephone network (PSTN). Any SRST user can leverage SRST MIBs for better management with Simple Network Management Protocol (SNMP) support.

Feature History of the Cisco SRST MIB Feature

Release Modification

12.4(4)T This feature was introduced on the 12.4(4)T

Finding Support Information for Platforms and Cisco IOS Software Images

Use Cisco Feature Navigator to find information about platform support and Cisco IOS software image support. Access Cisco Feature Navigator at http://www.cisco.com/go/fn. You must have an account on Cisco.com. If you do not have an account or have forgotten your username or password, click Cancel at the login dialog box and follow the instructions that appear.

Overview

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The SRST 3.4 component of Cisco IOS is not capable of participating in network management using SNMP. The SRST 3.4 effort is to make these components SNMP visible and provide necessary network management functions. This Cisco IOS feature can be used in the deployed customer scenarios that use SNMP managers. The Cisco IOS SNMP Agent can provide the following features for the SRST modules:

• Generate notifications/traps for various functionality failures

• Provide objects that help monitor performance/load of some of the key features

• Provide detailed configurations for help in fault isolation.

• Provide the active registrations of IP phones and Session Initiation Protocol (SIP) phones

• Publish statistics on Ephone lines and SIP phone lines

• Provide ability to mask/unmask notification

SRST 3.4 does not have product-specific network management capabilities. The SRST MIB addresses SNMP Management Information Base (MIB) development for generating asynchronous exception notifications/traps, displaying configurations, and monitoring performance for IP telephony management purposes.

The SRST feature provides emergency back up IP phone call capabilities, as shown in Figure 1-1.

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1-1

Overview

Chapter 1 Cisco SRST SNMP MIB Support

Figure 1-1 SRST Router Deployment with Network Management Components

Local IP

phone cluster

SNMP

network

manager

Broken WAN

Cisco SRST router

line

WAN

PSTN

Voice

gateway

Cisco

call manager

SNMP

network

manager

127128

SRST provides backup redundancy for broadband deployment of IP telephony to small branch offices. It can be used if Cisco CallManager is no longer in service due to a loss of WAN connectivity. SRST continues to provide basic call processing and IP telephony service to phones that fall back to SRST.

The CISCO-SRST-MIB defines managed objects that pertain to SRST, SIP Registrar, and SIP phones.

The CISCO-SRST-MIB has dependency on existing Cisco IOS MIBs, especially on the CISCO-CCME-MIB and the CISCO-VOICE-DIAL-CONTROL-MIB.

All of these MIBs are accessible from SNMP management software running on external SNMP managers.

Design of the CISCO-SRST-MIB

The CISCO-SRST-MIB enables you to display configurations and monitor and send traps and asynchronous notifications to the SNMP management applications.

The CISCO-SRST-MIB approach offers the following advantages over the CLI command approach:

• A more efficient use of network bandwidth

• Greater interoperability among vendors because standard SNMP protocols are used

The following paragraphs describe the CISCO-SRST-MIB structure.

Structure

The Structure of Management Information (SMI) is represented conceptually by a tree hierarchy. Branches along the tree have short text strings and integers to identify them. Text strings describe object names, and integers allow computer software to encode compact representations of the names.

The CISCO-SRST-MIB is part of the Cisco management group, which is part of private.enterprise.cisco.ciscoMgmt.

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Chapter 1 Cisco SRST SNMP MIB Support

The CISCO-SRST-MIB structure is further divided into the following groups:

SRST MIB Groups

ciscoSrstMIBNotifications

ciscoSrstMIBObjects

ciscoSrstMIBConformance

The CISCO-SRST-MIB structure further is divided into the following subgroups:

SRST MIB object groups

csrstConf

csrstNotifInfo

csrstSipConf

csrstActiveStats

csrstMIBNotifs

Overview

CISCO-SRST-MIB, which is uniquely identified by the number 441

Therefore the ciscoSrstMIB is1.3.6.1.4.1.9.9.441

Objects in the CISCO-SRST-MIB can be identified by either of the following methods.

• The object identifier is 1.3.6.1.4.1.9.9.441<SRST MIB-variable>

• The object name is iso(1).org(3).dod(6).internet(1).private(4).enterprise(1).cisco(9).ciscoMgmt(9)

.ciscoSrstMIB(441).<MIB-variable>

Figure 1-2 shows the position of the CISCO-SRST-MIB in the Internet MIB hierarchy.

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Overview

Chapter 1 Cisco SRST SNMP MIB Support

Figure 1-2 CISCO-SRST-MIB Tree Structure

unnamed

CCITT

Cisco SRST - 881 EN Security Router Wireless, SRST SNMP MIB 3.4 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual