From: Quetta Walla (quetta_1@lycos.com)
Date: Wed Jul 27 2005 - 05:46:45 GMT-3
hey again,
When you use ip summary-address eigrp 12 x.x.x.x x.x.x.x, no matter what summary address you use, eigrp is going to automatically create 0.0.0.0/0 route in routing and topology tables with a D*, it is normal behaviour. It is to make sure your summary address points to null0.
----- Original Message -----
From: "BALAKRISHNAN Balaji" <Balaji.BALAKRISHNAN@swift.com>
To: "Quetta Walla" <quetta_1@lycos.com>
Subject: RE: How to clear entry in eigrp table without clearing the process..
Date: Tue, 26 Jul 2005 15:36:15 -0400
>
> 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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