From: Annu Roopa (annu_roopa@xxxxxxxxx)
Date: Thu Jun 27 2002 - 18:31:26 GMT-3
Yes i know its not working.I cleared the routes and
also re-intialized BGP.Will try it tonight again.The
IP table shows as 20 it showuld show 100 for IGRP.Also
the traceroute takes the EBGP path.
Annu
--- Carlos G Mendioroz <tron@huapi.ba.ar> wrote:
> Have you tried a clear ip bgp after putting the
> backdor config ?
> The backdor command is not working... you can tell
> because
> the AD of your BGP route is 20 (and not 170).
>
> Annu Roopa wrote:
> >
> > Group,
> >
> > Here is a BGP scenario whic is troubling me. what
> am i
> > doing wrong ? The scenario is about BGP backdoor
> and
> > it looks like this.
> >
> > eBGP eBGP
> > 172.16.1.0 10.1.1.0
> >
> R2-------------R10---------------r12--175.10.10.1
> > | |
> > |---------------------------------
> >
> > 192.168.1.0 IGRP
> >
> > The configs look as below. even thought i
> configure
> > BGP backdoor the path taken is thru the EBGP link
> ?
> >
> > hostname R12
> > ip address 175.10.10.1 255.255.0.0
> > !
> > interface Serial0
> > ip address 10.1.1.2 255.255.255.0
> > no fair-queue
> > !
> > interface Serial1
> > ip address 192.168.1.2 255.255.255.0
> > !
> > router igrp 100
> > network 175.10.0.0
> > network 192.168.1.0
> > !
> > router bgp 300
> > bgp router-id 175.10.10.1
> > bgp log-neighbor-changes
> > network 10.1.1.0 mask 255.255.255.0
> > network 175.10.0.0
> > neighbor 10.1.1.1 remote-as 200
> > no auto-summary
> >
> > ------
> > hostname R2
> > interface Loopback0
> > ip address 190.10.10.1 255.255.255.0
> > !
> > interface Serial0
> > ip address 172.16.1.1 255.255.255.0
> > !
> > interface Serial1
> > ip address 192.168.1.1 255.255.255.0
> > clockrate 64000
> > !
> > router igrp 100
> > network 192.168.1.0
> > !
> > router bgp 400
> > bgp log-neighbor-changes
> > network 175.10.0.0 backdoor
> > network 190.10.10.0 mask 255.255.255.0
> > network 190.10.10.0
> > network 192.168.1.0
> > neighbor 172.16.1.2 remote-as 200
> >
> > ------
> > R2#show ip route
> > C 190.10.10.0 is directly connected,
> Loopback0
> > B 175.10.0.0/16 [20/0] via 172.16.1.2, 00:05:45
> > C 192.168.1.0/24 is directly connected, Serial1
> > B 200.10.10.0/24 [20/0] via 172.16.1.2,
> 00:00:43
> > 180.10.0.0/24 is subnetted, 1 subnets
> > B 180.10.10.0 [20/0] via 172.16.1.2,
> 00:05:46
> >
> > R2#show ip bgp
> > BGP table version is 120, local router ID is
> > 190.10.10.1
> > Status codes: s suppressed, d damped, h history, *
> > valid, > best, i - internal
> > Origin codes: i - IGP, e - EGP, ? - incomplete
> >
> > Network Next Hop Metric
> LocPrf
> > Weight Path
> > *> 175.10.0.0 172.16.1.2 0 200 300 i
> > *> 180.10.10.0/24 172.16.1.0 0 200 i
> > *> 190.10.10.0/24 0.0.0.0 0
> > 32768 i
> > *> 192.168.1.0 0.0.0.0 0
> > 32768 i
> >
> > Thanks in advance.
> >
This archive was generated by hypermail 2.1.4 : Tue Jul 02 2002 - 08:12:42 GMT-3