From: BALAKRISHNAN Balaji (Balaji.BALAKRISHNAN@swift.com)
Date: Wed Jul 27 2005 - 10:30:01 GMT-3
Geert,
Thanx for your reply.
Yeah, I know we are running very old OS. But deploying any new OS on our
network has to go through extensive qualification tests in respect to
our application behavior and we need to have all the hundreds of routers
on our network run same OS. So, it takes 6 to 12months for the upgrade.
I better stick with the router reload !!!
- Bala.
_____
From: Geert Nijs [mailto:geert.nijs@simac.be]
Sent: Wednesday, July 27, 2005 2:36 AM
To: BALAKRISHNAN Balaji; Quetta Walla
Subject: RE: How to clear entry in eigrp table without clearing the
process..
You are running quiet an old ios version 11.2.17
I have also seen issues with EIGRP with IOS 11.x when you have multiple
paths between routers like:
R1 ---- Ethernet ----------- R2
|------- Token Ring ----|
R1 contained an invalid route in its topology table and propagated this
to R2. clear ip route on R1 didnt work, R1 relearned
route from R2 over Ethernet, although R2 learned the route from R1 over
Token Ring. Even clearing the eigrp neighbor to R2 on both interfaces,
didnt clear the route. R1 would just relearn the route from R2. Very
bizar.
I had to reboot R1 to get rid of the route. Havent seen this in any
recent IOS versions though......
Geert
_____
From: nobody@groupstudy.com on behalf of BALAKRISHNAN Balaji
Sent: Tue 7/26/2005 21:36
To: Quetta Walla
Cc: ccielab@groupstudy.com
Subject: RE: How to clear entry in eigrp table without clearing the
process..
Thanx for ur reply.
Yes, I tried.. But it gets populated right back. I guess, it need to be
clearned from topology table first. But, I don't want do by clearing
eigrp process. Any other way ??
- Bala.
>-----Original Message-----
>From: Quetta Walla [mailto:quetta_1@lycos.com]
>Sent: Tuesday, July 26, 2005 3:27 PM
>To: BALAKRISHNAN Balaji
>Cc: ccielab@groupstudy.com
>Subject: Re: How to clear entry in eigrp table without
>clearing the process..
>
>Did you try: clear ip route 0.0.0.0
>
>----- Original Message -----
>From: "BALAKRISHNAN Balaji" <Balaji.BALAKRISHNAN@swift.com>
>To: ccielab@groupstudy.com
>Subject: How to clear entry in eigrp table without clearing
>the process..
>Date: Tue, 26 Jul 2005 14:40:00 -0400
>
>>
>> Hi Group,
>>
>> I think , I got into an Eigrp bug that I could not get it
>fixed. I was
>> putting an external Eigrp summarizing statement on a vlan
>interface and
>> mistakenly I used wild card mask instead of the normal mask.
>This caused
>> a default route pointing to null0 to get installed on the routing
>> table and got propagated to the rest of the network via
>Eigrp. Once I
>> saw this, I removed those summary entries and reconfigured
>them with the
>> normal mask but the default route did not clear from the
>routing table.I
>> can see the route also on the topology table with "0" successor. Can
>> any one suggest the way to clear it without having to reboot
>the router
>> or clearing the eigrp process.
>> Router is CAT5000 running RSM and IOS version is 11.2.17
>>
>> USF # conf t
>> USF(conf)#int vlan28
>> USF(config-if)#ip summary-address eigrp 12 143.152.0.0 0.0.255.255
>> USF(config-if)#ip summary-address eigrp 12 172.16.0.0 0.0.255.255
>> USF(config-if)# ip summary-address eigrp 12 172.26.0.0 0.0.255.255
>>
>>
>> USF# sh run int vlan28
>> interface Vlan28
>> ip address 10.23.192.82 255.255.255.252
>> no ip redirects
>> no ip unreachables
>> no ip directed-broadcast
>> no ip proxy-arp
>> ip summary-address eigrp 12 0.0.0.0 0.0.255.255
>>
>> USF# sh ip route | in Null0
>> D* 0.0.0.0/0 is a summary, 3d02h, Null0
>>
>>
>> USF # conf t
>> USF( config)#interface Vlan28
>> USF(config-if)#no ip summary-address eigrp 12 0.0.0.0 0.0.255.255
>> USF(config-if)#ip summary-address eigrp 12 143.152.0.0 255.255.0.0
>> USF(config-if)#ip summary-address eigrp 12 172.16.0.0 255.255.0.0
>> USF(config-if)#ip summary-address eigrp 12 172.26.0.0 255.255.0.0
>>
>> USF# sh ip route | in Null0
>> D* 0.0.0.0/0 is a summary, 2d23h, Null0
>> --------------->> Still present
>> D 172.16.0.0/16 is a summary, 2d23h, Null0
>> D 143.152.0.0/16 is a summary, 2d23h, Null0
>> D 172.26.0.0/16 is a summary, 2d23h, Null0
>>
>> USF#sh ip route 0.0.0.0
>> Routing entry for 0.0.0.0/0, supernet
>> Known via "eigrp 12", distance 5, metric 33280, candidate default
>> path, type internal
>> Redistributing via eigrp 12, rip
>> Routing Descriptor Blocks:
>> * directly connected, via Null0
>>
>>
>> USF#sh ip eigrp topology 0.0.0.0
>> IP-EIGRP topology entry for 0.0.0.0/0
>> State is Passive, Query origin flag is 1, 0 Successor(s), FD is
>> 4294967295
>>
>>
>> I appreciate any help.
>>
>> - Bala.
>>
>>
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