HP 5300 Informacje Techniczne Pobierz pdf (Strona 288)

100

101

Configuring for Network Management Applications

CDP

CDP Features

Feature Default Menu CLI Web

view the switch’s CDP configuration n/a — page 14-31 —

view the switch’s CDP Neighbors Table n/a — page 14-31 —

clear (reset) the CDP Neighbors Table n/a — page 14-32 —

enable or disable CDP on the switch enabled — page 14-33 —

enable or disable CDP operation on an enabled — page 14-34 —

individual port

change the transmit interval for the switch’s

CDP packets

60 seconds — page 14-35 —

change the hold time (time-to-live for CDP

packets the switch generates)

180 seconds — page 14-35 —

Introduction

In Series 5300XL Switches, CDP-v1 (Cisco Discovery Protocol, version 1)

provides data that aids SNMP-based network mapping utilities designed to

discover devices running CDP in a network. To make these data available, the

switch transmits information about itself via CDP packets to adjacent devices,

and also receives and stores information about adjacent devices running CDP.

This enables each CDP device to receive and maintain identity data on each

of its CDP Neighbors and pass this information off to an SNMP utility designed

to query the CDP area of the device’s MIB (Management Information Base).

Note

To take advantage of CDP in Series 5300XL Switches, you should have a

working knowledge of SNMP operation and an SNMP utility capable of polling

the switches for CDP data. HP’s implementation of CDP places specific data

into the switch’s Management Information Base (MIB). However, retrieval of

these data for network mapping is dependent on the operation of your SNMP

utility. Refer to the documentation provided with the utility.

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