[c-nsp] ibgp prefix advertisement

[Richard Mikisa]

>From CUSTODIST ....
!
router bgp 28941
 no synchronization
 no bgp fast-external-fallover
 bgp log-neighbor-changes
 network 41.220.14.0 mask 255.255.254.0
 neighbor 41.220.15.252 remote-as 28941
 neighbor 41.220.15.252 description iBGP-Peer to IXP Router
 neighbor 41.220.15.252 update-source Loopback0
 neighbor 41.220.15.252 soft-reconfiguration inbound
 neighbor 41.220.15.253 remote-as 28941
 neighbor 41.220.15.253 description iBGP-Peer to ACESS Router
 neighbor 41.220.15.253 update-source Loopback0
 neighbor 41.220.15.253 soft-reconfiguration inbound
 ip classless
 ip route 0.0.0.0 0.0.0.0 41.220.14.1
 ip route 41.220.15.252 255.255.255.255 Ethernet1/0


and for IXROUTER ....

router bgp 28941
 no synchronization
 bgp log-neighbor-changes
 bgp dampening
 network 41.220.14.0 mask 255.255.254.0
 neighbor 41.220.15.250 remote-as 28941
 neighbor 41.220.15.250 description NOC Router
 neighbor 41.220.15.250 update-source Loopback0
 neighbor 41.220.15.250 next-hop-self
 neighbor 41.220.15.250 soft-reconfiguration inbound
no auto-summary
!
ip classless
ip route 41.220.14.0 255.255.254.0 41.220.15.250



On 8/8/06, Shakeel Ahmad <shakeelahmad at gmail.com> wrote:
>
> Can you paste your configurations.
>
>
>
> Shakeel
>
>
>
> On 8/8/06, Mikisa Richard <rmikisa at gmail.com> wrote:
> > Hi all,
> >
> > Scenario
> >
> > AS29032--ebgp--CUSTOACESS(41.220.15.253)--ibgp--CUSTODIST(
> 41.220.15.250)--ibgp--IXROUTER(41.220.15.252)
> >
> >
> > Problem is that CUSTODIST receives prefixes from CUSTOACESS but does not
> > advertise them to IXROUTER.
> >
> > from CUSTODIST ....
> >
> > distro#show ip bgp su
> > BGP router identifier 41.220.15.250, local AS number 28941
> > BGP table version is 231, main routing table version 231
> > 29 network entries and 30 paths using 3893 bytes of memory
> > 8 BGP path attribute entries using 480 bytes of memory
> > 5 BGP AS-PATH entries using 120 bytes of memory
> > 0 BGP route-map cache entries using 0 bytes of memory
> > 0 BGP filter-list cache entries using 0 bytes of memory
> > BGP activity 78/633 prefixes, 105/75 paths, scan interval 15 secs
> >
> > Neighbor        V    AS MsgRcvd MsgSent   TblVer  InQ OutQ Up/Down
> > State/PfxRcd
> > 41.220.15.252   4 28941     388     370      231    0    0 00:25:14
> 25
> > 41.220.15.253   4 28941     953     949      231    0    0 15:46:40
> 5
> >
> >
> > distro#show ip bgp ne 41.220.15.253 ro
> > BGP table version is 231, local router ID is 41.220.15.250
> > 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
> > *>i0.0.0.0          41.220.15.253                 100      0 29032 i
> > *>i41.220.0.0/20    41.220.15.253            0    100      0 29032 i
> > * i41.220.14.0/23   41.220.15.253            0    100      0 i
> > *>i217.212.230.0/23 41.220.15.253                 100      0 29032 i
> > *>i217.212.242.0 /23 41.220.15.253                 100      0 29032 i
> >
> > Total number of prefixes 5
> >
> > distro#show ip bgp 217.212.242.0
> > BGP routing table entry for 217.212.242.0/23, version 206
> > Paths: (1 available, best #1, table Default-IP-Routing-Table)
> >   Not advertised to any peer
> >   29032, (received & used)
> >      41.220.15.253 (metric 11) from 41.220.15.253 (41.220.15.253)
> >       Origin IGP, localpref 100, valid, internal, best
> >
> >
> > distro#show ip bgp ne 41.220.15.252 ad
> > distro#
> >
> >
> > Any ideas on why CUSTODIST is not advertising?
> >
> > --
> > Richard
> > _______________________________________________
> > cisco-nsp mailing list   cisco-nsp at puck.nether.net
> > https://puck.nether.net/mailman/listinfo/cisco-nsp
> > archive at http://puck.nether.net/pipermail/cisco-nsp/
> >
>
>


-- 
cheers
Richard