From: Hyunseog Ryu (r.hyunseog@ieee.org)
Date: Sun Nov 16 2008 - 03:14:23 ARST
That means you have nothing to BGP routing table.
You can inject routes to BGP routing table usually by 1) network
statement under router bgp, or 2) redistribute statement under router
bgp from other routing protocols.
Saketh R wrote:
> I have nothing in my sh ip bgp....It does not show any bgp routes.This
> is just a very basic BGP configuration that I am making...Any idea on
> how to troublehoot this ??
>
> Thanks!!
>
> On Sat, Nov 15, 2008 at 5:41 PM, Hyunseog Ryu <r.hyunseog@ieee.org
> <mailto:r.hyunseog@ieee.org>> wrote:
>
> 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>
> <http://155.1.146.4>
> > BGP neighbor is 155.1.146.4 <http://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>
> <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>
> <http://155.1.146.1>, Local port: 179
> > Foreign host: 155.1.146.4 <http://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>
> > <mailto: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> <http://155.1.146.1>
> 155.1.146.4 <http://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>
> <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> <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>
> <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>
> <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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