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Essential SNMP, 2nd Edition
book

Essential SNMP, 2nd Edition

by Douglas Mauro, Kevin Schmidt
September 2005
Beginner content levelBeginner
462 pages
12h 56m
English
O'Reilly Media, Inc.
Content preview from Essential SNMP, 2nd Edition

Appendix E. SNMP Support for Perl

This appendix summarizes two SNMP Perl modules. The first is Mike Mitchell's SNMP_util module, which we have used in most of our Perl scripts throughout this book. This module is distributed with Simon Leinen's SNMP Perl module; Mike's module, together with Simon's, can make SNMP programming a snap. You can get these modules from http://www.switch.ch/misc/leinen/snmp/perl or http://www.cpan.org.

The second module is the one that comes with Net-SNMP. It allows you to write SNMPv1, SNMPv2, and SNMPv3 Perl scripts since it basically wraps the Net-SNMP C libraries. It comes with the Net-SNMP distribution at http://www.net-snmp.org.

For those of you who wish to review the Perl language, you can find an excellent introduction to the language at http://search.cpan.org/~rgarcia/perl-5.9.2/pod/perlintro.pod.

SNMP_Util

Perl scripts need two use statements to take advantage of the SNMP Perl module:

    use BER;
    use SNMP_Session;

The BER and SNMP_Session modules make up the core of Simon's package. The SNMP_util module discussed in this appendix makes using this package a little easier. It requires only one use statement:

    use SNMP_util;

Mike's package uses the other two modules, so it's not necessary to include all three in your scripts.

MIB Management Routines

The following sections describe a set of routines for working with MIBs.

snmpmapOID()

The MIB objects in RFC 1213 (MIB-II) and RFC 2955 (Frame Relay) are preloaded by the routines in this package. This means that ...

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ISBN: 0596008406Supplemental ContentErrata Page