From: zheng jiang gu (zjgu@xxxxxxxxxx)
Date: Thu Dec 28 2000 - 03:52:47 GMT-3
Should we update the ios to higher?
zjgu
----- Original Message -----
From: Brian Hescock <bhescock@cisco.com>
To: ChrisH <chrish@bjen.com>
Cc: Jim Bond <trycisco@yahoo.com>; <cisco@groupstudy.com>; <ccielab@groupstudy.
com>
Sent: Thursday, December 28, 2000 11:29 AM
Subject: RE: EIGRP problem
> I may have missed some of the earlier thread but what would be beneficial
> is show version from the routers and show run (that should be a given
> anytime someone posts a problem with a production network). Not having
> another other information, it sounds like a bug. The reason I say it
> sounds like a bug is because the default being redistributed by the 4000
> came back as soon as a clear ip route * was done and the problem comes
> back after a few days. Had the problem been something related to a change
> in the network itself, the default route should have come back by
> itself. And if that situation hadn't changed the default route should
> have never come back after clearing the routes, the situation should have
> remained the same.
>
> Brian
>
> On Wed, 27 Dec 2000, ChrisH wrote:
>
> > I assume you are doing floating static route? Did you filter out EIGRP and
> > SNMP in your access-list? Did you disable cdp? For example:
> >
> > interface BRI0/0
> > bandwidth 56
> > ip address 10.1.x.y 255.255.255.0
> > no ip directed-broadcast
> > encapsulation ppp
> > no ip route-cache
> > no ip mroute-cache
> > dialer idle-timeout 300
> > dialer wait-for-carrier-time 10
> > dialer map ip 10.1.x.2 name hq speed 56 broadcast 18735185470
> > dialer map ip 10.1.x.1 name hq speed 56 broadcast 18735185472
> > dialer-group 1
> > isdn switch-type basic-ni
> > no cdp enable
> > ppp authentication chap
> > ppp multilink
> > !
> > router eigrp 1
> > network 10.0.0.0
> > no auto-summary
> > ip classless
> > ip route 0.0.0.0 0.0.0.0 10.1.2.1 240
> > ip route 10.11.0.1 255.255.255.255 BRI0/0
> > ip route 10.99.99.99 255.255.255.255 BRI0/0
> > no ip http server
> > !
> > access-list 102 deny eigrp any any
> > access-list 102 deny udp any any eq snmp
> > access-list 102 permit ip any any
> > dialer-list 1 protocol ip list 102
> >
> >
> > Chris
> > -----Original Message-----
> > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On Behalf Of
> > Jim Bond
> > Sent: Wednesday, December 27, 2000 8:08 PM
> > To: cisco@groupstudy.com
> > Cc: ccielab@groupstudy.com
> > Subject: EIGRP problem
> >
> >
> > Hello,
> >
> > We have 4000 router and 5200 router at central office,
> > 2500 routers and 3640 routers at branch office. 4000
> > and 2500s are connected with frame relay, 5200 and
> > 3640s are connected with ISDN backup. Eigrp is the
> > only protocol. We have a default route from 4000 and
> > it got advertised on 2500s and 3640s as AD /170. We
> > also configure a default route on 3640s with AD /200
> > so in case frame is down, /200 default route will take
> > over and then can bring up ISDN.
> >
> > The problem is sometimes when frame is ok, 3640 router
> > default route changes to AD /200 and hence brings up
> > ISDN backup (3640 also serves as RAS server). When I
> > do "clear ip route", the AD /170 default route will
> > come back again, then some days later, it'll get
> > replaced by the AD /200 one.
> >
> > We use the same IOS on all routers but this only
> > happened on some branch offices, not all of them. Any
> > idea what wrong it is?
> >
> > Thanks in advance.
> >
> >
> > Jim
> >
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