Cisco 881 SRST - EN Security Router Manuale utente

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

Cisco SRST SNMP MIB

Release 3.4

Guide

October 26 2005

Text Part Number: OL-7959-01

THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL

STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT

WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS.

THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT

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OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY.

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between Cisco and any other company. (0406R)

Cisco SRST SNMP MIB Release 3.4 Guide

iii

Cisco SRST SNMP MIB Release 3.4 Guide

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CONTENTS

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

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

Contents

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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

Cisco SRST SNMP MIB Release 3.4 Guide

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Preface

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.

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.

Table 1 Document Organization

Chapter Title Description

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

MIB.

vii

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Preface

Syntax Conventions

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

Convention Meaning Description / Comments

Boldface Commands and keywords

you enter as shown.

offset-list

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 }

You 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.

The system prompt indicates the

current command mode. For example,

the prompt Router (config) #

indicates global configuration mode.

Screen font Terminal sessions and

information the system

displays.

viii

Cisco SRST SNMP MIB Release 3.4 Guide

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Preface

Syntax Conventions

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

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

alignment.

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.

Table 2 Conventions (continued)

Convention Meaning Description / Comments

Ta b l e 3 Da t 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

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.

123

000123

4200000000

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

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.

123

-000123

-2100000000l

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

have one or more leading zeros (0) added to the left side.

For all hexadecimal values, the maximum size is

0xffffffff (eight hexadecimal digits).

1f3

01f3000

Text A series of alphanumeric characters from the ASCII

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

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.

EntityID

LineSES_Threshold999

String A series of alphanumeric characters and white-space

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

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.

“This is a descriptive

string.”

Cisco SRST SNMP MIB Release 3.4 Guide

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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

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).

Cisco SRST SNMP MIB Release 3.4 Guide

OL-7959-01

Preface

Documentation Feedback

You can send comments about technical documentation to [email protected].

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

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—secu[email protected]

•Nonemergencies— [email protected]

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.xthrough 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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