From: Georg Pauwen (pauwen@xxxxxxxxxxx)
Date: Fri Jun 28 2002 - 03:40:33 GMT-3
Hi Annu,
I could be totally off here, but shouldn't you also advertise network 175.10
in the IGRP process on R2 ?
r2#
router igrp 100
network 192.168.1.0
network 175.10.0.0
Just a thought.
Georg
>From: David Luu <wicked01@ix.netcom.com>
>Reply-To: David Luu <wicked01@ix.netcom.com>
>To: Annu Roopa <annu_roopa@yahoo.com>, Cisco@groupstudy.com,
>ccielab@groupstudy.com
>Subject: Re: BGP Question
>Date: Thu, 27 Jun 2002 17:28:45 -0700
>
>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