RE: ospf priority

From: nasir.shaikh@bt.com
Date: Thu Dec 28 2006 - 12:20:33 ART


Hi Frank,
Did you configure the priority after the adjacency was formed? Then you
will need to clear the ospf neighbors (or the ospf process)

The OSPF priority is not a pre-emptive value. Once a DR is elected it
will remain as the DR even if a router with a higher priority comes
alive.

regards

Nasir Shaikh
CCIE 15845

-----Original Message-----
From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf Of
Frank
Sent: donderdag 28 december 2006 15:19
To: ccielab@groupstudy.com
Subject: ospf priority

Hi,

i have a problem with ospf priority.

The task asks not to configure ip ospf interface commands on the spokes,

so it suggests to configure
ip ospf priority 255 on the hub. (255 or a higher value as the default
1)

But the hub is not elected as the DR.

What could be the reason for this?

Rack1R5#sh ip ospf int | inc Pri
  Transmit Delay is 1 sec, State BDR, Priority 255

Rack1R5#sh ip ospf nei
Neighbor ID Pri State Dead Time Address
Interface
150.1.2.2 1 FULL/DR 00:01:36 173.1.125.2
Serial0/0.125

Rack1R2#sh ip ospf int s0/0 | inc Pri| Des
  Transmit Delay is 1 sec, State DR, Priority 1
  Designated Router (ID) 150.1.2.2, Interface address 173.1.125.2
  Backup Designated router (ID) 150.1.5.5, Interface address 173.1.125.5
    Adjacent with neighbor 150.1.5.5 (Backup Designated Router)

Frank



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