Brocade Multi-Service IronWare Routing Configuration Guide Manuel d'utilisateur télécharger pdf (Page 814)

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786 Multi-Service IronWare Routing Configuration Guide

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VRRP and VRRP-E parameters

Backup priority A numeric value that determines a Backup’s

preferability for becoming the Master for the VRID.

During negotiation, the router with the highest priority

becomes the Master:

• VRRP – The Owner has the highest priority (255);

other routers can have a priority from 8 through

255.

• VRRP-E – All routers are Backups and have the

same priority by default.

If two or more Backups are tied with the highest

priority, the Backup interface with the highest IP

address becomes the Master for the VRID.

VRRP – 255 for the

Owner; 100 for each

Backup

VRRP-E – 100 for all

Backups

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Suppression of

RIP

advertisements

A router that is running RIP normally advertises routes

to a backed up VRID even when the router is not

currently the active router for the VRID. Suppression

of these advertisements helps ensure that other

routers do not receive invalid route paths for the VRID.

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Hello interval The number of seconds or milliseconds between Hello

messages from the Master to the Backups for a given

VRID. The interval can be from 1 through 84 seconds

for VRRP v2 and VRRP-E v2. The interval can be from

100 milliseconds through 84000 milliseconds for

VRRP v3 and VRRP-E v3.

One second (VRRP v2

and VRRP-E v2)

1000 milliseconds

(VRRP v3 and VRRP-E

v3)

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Dead interval The number of seconds or milliseconds a Backup

waits for a Hello message from the Master for the

VRID before determining that the Master is no longer

active.

If the Master does not send a Hello message before

the dead interval expires, the Backups negotiate

(compare priorities) to select a new Master for the

VRID.

Internally derived from

Hello Interval. It is

approximately 3.5

times of the Hello

Interval.

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Backup Hello

interval

The number of seconds between Hello messages

from a Backup to the Master.

The message interval can be from 60 through 3600

seconds.

You must enable the Backup to send the messages.

The messages are disabled by default on Backups.

The current Master (whether the VRRP Owner or a

Backup) sends Hello messages by default.

Disabled

60 seconds when

enabled

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Track port Another Brocade port or virtual interface whose link

status is tracked by the VRID’s interface.

If the link for a tracked interface goes down, the VRRP

or VRRP-E priority of the VRID interface is changed,

causing the devices to renegotiate for Master.

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Track priority A VRRP or VRRP-E priority value assigned to the

tracked ports. If a tracked port’s link goes down, the

VRID port’s VRRP or VRRP-E priority changes:

• VRRP – The priority changes to the value of the

tracked port’s priority.

• VRRP-E – The VRID port’s priority is reduced by

the amount of the tracked port’s priority.

VRRP – 2

VRRP-E – 5

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TABLE 170 VRRP and VRRP-E parameters (Continued)

Parameter Description Default Refer page...

1 2 ... 809 810 811 812 813 814 815 816 817 818 819 ... 845 846

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