DES-3326S Layer 3 Fast Ethernet Switch User’s Guide

 

 

Priority.

 

The

 

Router

 

 

 

Priority is used in the

 

 

election of the DR and

 

 

BDR. If this field is set to

 

 

0, the router is ineligible

 

 

become the DR or the

 

 

BDR.

 

 

 

 

 

 

 

 

 

 

Router Dead Interval

The

number

of

seconds

 

 

that

must

pass

before

 

 

declaring

a

silent

router

 

 

as down.

 

 

 

 

 

 

 

 

 

Designated Router

The identity of the DR for

 

 

this network, in the view

 

 

of the advertising

router.

 

 

The DR is identified here

 

 

by its IP interface address

 

 

on the network.

 

 

 

 

 

 

Backup Designated Router

The

identity

 

of

 

the

 

 

Backup

 

 

Designated

 

 

Router

(BDR)

for

this

 

 

network.

The

BDR

is

 

 

identified here by its IP

 

 

interface

address

 

on

the

 

 

network. This field is set

 

 

to 0.0.0.0 if there is no

 

 

BDR.

 

 

 

 

 

 

 

 

 

 

Neighbor

The

Router

Ids

of

each

 

 

router from

whom

valid

 

 

Hello

packets

have

been

 

 

seen

within

the

 

Router

 

 

Dead

Interval

on

 

the

 

 

network.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Table 5-17. Hello Packet

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Switch Management and Operating Concepts

 

 

 

 

 

 

 

 

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