From: Howard C. Berkowitz (hcb@gettcomm.com)
Date: Sun Feb 08 2004 - 20:58:28 GMT-3
At 11:31 PM +0100 2/8/04, C.Sammarcellino@sirtisistemi.it wrote:
>Why bgp don't put the route in the routing table, if the next hop it is in
>the routing table ?
I'd have to see the main routing table, but this is an iBGP route
with administrative distance 200. Any IGP would be preferred to
install in the routing table. Try a traceroute to a destination in
200.200.200.0.
>
>
>R2_IPExp#ping 200.200.200.1
>
>Type escape sequence to abort.
>Sending 5, 100-byte ICMP Echos to 200.200.200.1, timeout is 2 seconds:
>.....
>Success rate is 0 percent (0/5)
>R2_IPExp#sh ip bg
>R2_IPExp#sh ip bgp
>BGP table version is 5, local router ID is 193.100.5.2
>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
>*> 172.16.0.0/24 150.10.1.1 0 100 8888 500 i
>*> 172.16.1.0/24 150.10.1.1 0 100 8888 500 i
>*> 172.16.2.0/24 150.10.1.1 0 100 8888 500 i
>*> 172.16.3.0/24 150.10.1.1 0 100 8888 500 i
>* i200.200.200.0 150.20.100.6 100 0 78 ?
>* i 150.20.100.5 100 0 78 ?
>R2_IPExp#
>R2_IPExp#
>R2_IPExp#ping 150.20.100.6
>
>Type escape sequence to abort.
>Sending 5, 100-byte ICMP Echos to 150.20.100.6, timeout is 2 seconds:
>!!!!!
>Success rate is 100 percent (5/5), round-trip min/avg/max = 1/2/4 ms
>R2_IPExp#ping 150.20.100.5
>
>Type escape sequence to abort.
>Sending 5, 100-byte ICMP Echos to 150.20.100.5, timeout is 2 seconds:
>!!!!!
>Success rate is 100 percent (5/5), round-trip min/avg/max = 1/3/4 ms
>R2_IPExp#
>
>
>!
>router bgp 2456
> bgp log-neighbor-changes
> neighbor 150.10.1.1 remote-as 100
> neighbor 150.10.1.1 ebgp-multihop 255
> neighbor 150.10.1.1 update-source Loopback0
> neighbor 150.20.100.4 remote-as 2456
> neighbor 150.20.100.4 route-reflector-client
> neighbor 150.20.100.5 remote-as 2456
> neighbor 150.20.100.5 route-reflector-client
> neighbor 150.20.100.6 remote-as 2456
> neighbor 150.20.100.6 route-reflector-client
>!
>
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