From: David Luu (wicked01@xxxxxxxxxxxxx)
Date: Thu Jun 27 2002 - 21:28:45 GMT-3
configs seem right, unless i overlooked something...some people have
reported that it works on some IOS, what IOS are you using? have you tried
different versions?
At 01:23 PM 6/27/2002 -0700, 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 - 08:12:43 GMT-3