From: joshua atterbury (joshuaatterbury@gmail.com)
Date: Sun Nov 16 2008 - 01:40:12 ARST
Ok have you actually told bgp to advertise any router? With the network
statement under router bgp??
On Sun, Nov 16, 2008 at 1:46 PM, Saketh R <saketh2083@gmail.com> 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> 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>
> > > 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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