From: Hyunseog Ryu (r.hyunseog@ieee.org)
Date: Sat Nov 15 2008 - 23:41:23 ARST
Do you have anything in BGP routing table ?
"sh ip bgp " command itself shows any BGP routes?
Saketh R wrote:
> Hi Hyunseog/Tolulope,
>
> Thanks for your reply.To answer your questions....The neighbor state
> is Established.There is no updates being sent on by either routers and
> also I have configured BGP no sync .
>
> I am attaching the show neighbor output...
>
> R1#sh ip bgp neighbors 155.1.146.4 <http://155.1.146.4>
> BGP neighbor is 155.1.146.4 <http://155.1.146.4>, remote AS 3,
> external link
> BGP version 4, remote router ID 155.1.146.4 <http://155.1.146.4>
> BGP state = Established, up for 02:41:48
> Last read 00:00:48, last write 00:00:48, hold time is 180, keepalive
> interval is 60 seconds
> Neighbor capabilities:
> Route refresh: advertised and received(old & new)
> Address family IPv4 Unicast: advertised and received
> Message statistics:
> InQ depth is 0
> OutQ depth is 0
> Sent Rcvd
> Opens: 3 3
> Notifications: 0 0
> Updates: 0 0
> Keepalives: 182 182
> Route Refresh: 0 0
> Total: 185 185
> Default minimum time between advertisement runs is 30 seconds
>
> For address family: IPv4 Unicast
> BGP table version 1, neighbor version 1/0
> Output queue size : 0
> Output queue size : 0
> Index 2, Offset 0, Mask 0x4
> 2 update-group member
> Sent Rcvd
> Prefix activity: ---- ----
> Prefixes Current: 0 0
> Prefixes Total: 0 0
> Implicit Withdraw: 0 0
> Explicit Withdraw: 0 0
> Used as bestpath: n/a 0
> Used as multipath: n/a 0
>
> Outbound Inbound
> Local Policy Denied Prefixes: -------- -------
> Total: 0 0
> Number of NLRIs in the update sent: max 0, min 0
>
> Connections established 3; dropped 2
> *Last reset 02:46:01, due to Peer closed the sessionConnection is ECN
> Disabled, Mininum incoming TTL 0, Outgoing TTL 1*
> Local host: 155.1.146.1 <http://155.1.146.1>, Local port: 179
> Foreign host: 155.1.146.4 <http://155.1.146.4>, Foreign port: 46858
>
> Enqueued packets for retransmit: 0, input: 0 mis-ordered: 0 (0 bytes)
>
> Event Timers (current time is 0x1FAB0480):
> Timer Starts Wakeups Next
> Retrans 169 0 0x0
> TimeWait 0 0 0x0
> AckHold 169 165 0x0
> SendWnd 0 0 0x0
> KeepAlive 0 0 0x0
> GiveUp 0 0 0x0
> PmtuAger 0 0 0x0
> DeadWait 0 0 0x0
>
> Thanks in advance!!
>
> Madhu
>
>
>
> On Sat, Nov 15, 2008 at 2:52 PM, Hyunseog Ryu <r.hyunseog@ieee.org
> <mailto:r.hyunseog@ieee.org>> wrote:
>
> Did you configure "no sync" under "router bgp" configuration?
>
>
>
> Saketh R wrote:
> > Hi All,
> > I have a very simple scenario.
> >
> >
> R2--------R3-----R1-----------------------------------------------------R4
> > AS-2
> > AS-3
> > 155.1.146.1 <http://155.1.146.1> 155.1.146.4 <http://155.1.146.4>
> >
> > I see that the BGP connections are established between the two
> routers.
> >
> > *BGP neighbor is 155.1.146.4 <http://155.1.146.4>, remote AS 3,
> external link
> > BGP version 4, remote router ID 155.1.146.4 <http://155.1.146.4>
> > BGP state = Established, up for 00:38:01
> > Last read 00:00:01, last write 00:00:01, hold time is 180, keepalive
> > interval is 60 seconds
> > *
> > **
> > But there is no routes that are being adverised by either R4 or
> R1. I have a
> > couple of routers connnected behind running BGP in AS2.All the
> routers have
> > connection established but they don't advertise the routes
> either in ebgp
> > session or ibgp session.
> >
> >
> > R1#sh ip bgp neighbors 155.1.146.4 <http://155.1.146.4>
> advertised-routes
> >
> > Total number of prefixes 0
> >
> > R4#sh ip bgp neighbors 155.1.146.1 <http://155.1.146.1>
> advertised-routes
> >
> > Total number of prefixes 0
> > R4#
> >
> >
> > I would greatly appreciate if someone can tell me if I am
> missing something.
> >
> >
> >
> > Thanks in Advance for your clarification!!!
> >
> > Regards
> >
> > Saketh
> >
> >
> > Blogs and organic groups at http://www.ccie.net
> >
> >
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