From: Brian Hescock (bhescock@xxxxxxxxx)
Date: Thu Dec 28 2000 - 10:06:08 GMT-3
I can't make a suggestion without knowing what version of IOS you're
already running on the routers... ;-) Send "show version" from the 3600
and the 4000 so I can certain of the version / train you're
running. Thanks.
B.
On Thu, 28 Dec 2000, zheng jiang gu wrote:
> 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@groupstud
y.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 an
d
> > > 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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