Configuring irdp – Lucent Technologies P550 User Manual

Page 171

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Configuring IP Routing (Layer 3)

Cajun P550/P220 Switch Operation Guide

7-45

2. Complete one of the following to modify your VRRP statistics:

Click

CLEAR to reset all the entries.

Click

REFRESH to receive the most up-to-date information on the entries.

3. Use Table 7-32 to review your VRRP statistics:

Configuring IRDP

ICMP Router Discovery Protocol (IRDP) is an alternative router discovery protocol using
ICMP messages on multicast links.

ICMP uses router discovery messages, known as

router advertisements and router

solicitations. Each router periodically multicasts a router advertisement from each of its
multicast interfaces, announcing the IP address of that interface, and other router IP
addresses. Hosts discover the addresses of their neighbor routers by listening for the

Table 7-32. VRRP Statistical Parameters

Parameter

Defines the...

Interface

IP interface name corresponding to the selected VRRP
virtual router.

VR ID

Reporting virtual router’s identification.

IP Address

IP address that corresponds with the selected VRRP virtual
router.

State

State of the virtual router.

Values include:

Inactive - Disables the VRRP virtual router.

Initialize - Initializes the VRRP Virtual Router.

Backup - Defines the VRRP Virtual Router as a backup

router to the master.

Master - The VRRP Virtual Router functions as the

forwarding router.

Time of State Change

Last state of transition. This value is reported in an
HH:MM:SS format.

Times this VR became
master

Number of instances that the virtual router became the
Master.

Advertisements
Received

Number of advertisements received, matching the VRRP
Virtual Router configuration.

Advertisements Sent

Number of advertisements sent by the VRRP Virtual
Router.

Bad Advertisements
Received

Number of advertisements received by the VRRP Virtual
Router with invalid parameters.

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