Backdoor net admin distance = 200 EBGP net admin distance = 20
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122cgcr/fiprrp_r/bgp_r/1rfbgp2.htm#xtocid15 -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Annu Roopa Sent: Thursday, June 27, 2002 4:23 PM To: [EMAIL PROTECTED]; [EMAIL PROTECTED] Subject: BGP Question 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. __________________________________________________ Do You Yahoo!? Yahoo! - Official partner of 2002 FIFA World Cup http://fifaworldcup.yahoo.com _________________________________________________________________ Commercial lab list: http://www.groupstudy.com/list/commercial.html Please discuss commercial lab solutions on this list. _________________________________________________________________ Commercial lab list: http://www.groupstudy.com/list/commercial.html Please discuss commercial lab solutions on this list. --------------------------------- Do You Yahoo!? Sign-up for Video Highlights of 2002 FIFA World Cup Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=47600&t=47600 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
