BGP maximum paths

From: Mohamed Heeba (MAHeeba@xxxxxxxxxxx)
Date: Wed May 09 2001 - 11:04:45 GMT-3


   
guys ,
i have a router R1 in AS 300 ,connecting to another AS 200 thourgh two
serial connection ,each one going to different routers R2 and R5 (they are
in confederation in As 200)
the requirement is to load balance the traffic across both of the links.
i have enabled the maximum paths 2 command on the BGP .
but still the routes didnt appear in the routing table .
they are on the bgp table ,showing two paths ,the prefered one is even the
one with the lowest ip address .

R1 is running 11.1 , do i need to enable anything else to get the routes in
the ip route table ???
here is R1 configs

------------------------------
interface Loopback0
 ip address 206.11.5.1 255.255.255.0 secondary
 ip address 206.11.6.1 255.255.255.0 secondary
 ip address 206.11.7.1 255.255.255.0 secondary
 ip address 206.11.4.1 255.255.255.0
 no ip mroute-cache
 no ip route-cache
!
interface Serial0
 ip address 206.11.20.18 255.255.255.248
 no ip mroute-cache
 no ip route-cache
 bandwidth 64
!
interface Serial1
 ip address 206.11.20.66 255.255.255.248
 no ip mroute-cache
 no ip route-cache
 bandwidth 64
!
router bgp 300
 network 206.11.4.0
 network 206.11.5.0
 network 206.11.6.0
 network 206.11.7.0
 neighbor 206.11.20.17 remote-as 200
 neighbor 206.11.20.65 remote-as 200
 maximum-paths 2
 no auto-summary
!

r2501#sh ip bgp
BGP table version is 19, local router ID is 206.11.4.1
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
* 10.0.0.2/32 206.11.20.65 0 200 i
*> 206.11.20.17 0 0 200 i
* 10.0.0.4/32 206.11.20.65 0 200 i
*> 206.11.20.17 0 200 i
* 10.0.0.5/32 206.11.20.65 0 0 200 i
*> 206.11.20.17 0 200 i
* 10.1.1.0/24 206.11.20.65 0 200 100 i
*> 206.11.20.17 0 200 100 i
* 20.1.1.0/24 206.11.20.65 0 200 100 i
*> 206.11.20.17 0 200 100 i
* 22.1.1.0/24 206.11.20.65 0 200 100 i
*> 206.11.20.17 0 200 100 i
* 24.1.1.0/24 206.11.20.65 0 200 100 i
*> 206.11.20.17 0 200 100 i
*> 206.11.4.0 0.0.0.0 0 32768 i
*> 206.11.5.0 0.0.0.0 0 32768 i
*> 206.11.6.0 0.0.0.0 0 32768 i
*> 206.11.7.0 0.0.0.0 0 32768 i
r2501#

r2501#sh ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, * - candidate
default
       U - per-user static route

Gateway of last resort is not set

     10.0.0.0/8 is variably subnetted, 4 subnets, 2 masks
B 10.0.0.2/32 [20/0] via 206.11.20.17, 00:14:16
B 10.1.1.0/24 [20/0] via 206.11.20.17, 00:14:16
B 10.0.0.4/32 [20/0] via 206.11.20.17, 00:14:17
B 10.0.0.5/32 [20/0] via 206.11.20.17, 00:14:17
     20.0.0.0/24 is subnetted, 1 subnets
B 20.1.1.0 [20/0] via 206.11.20.17, 00:14:17
     22.0.0.0/24 is subnetted, 1 subnets
B 22.1.1.0 [20/0] via 206.11.20.17, 00:14:17
     24.0.0.0/24 is subnetted, 1 subnets
B 24.1.1.0 [20/0] via 206.11.20.17, 00:14:17
C 206.11.5.0/24 is directly connected, Loopback0
C 206.11.4.0/24 is directly connected, Loopback0
C 206.11.7.0/24 is directly connected, Loopback0
C 206.11.6.0/24 is directly connected, Loopback0
     206.11.20.0/29 is subnetted, 2 subnets
C 206.11.20.64 is directly connected, Serial1
C 206.11.20.16 is directly connected, Serial0
r2501#
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