From: Carlos Trujillo Jimenez (nergal888@hotmail.com)
Date: Sat Feb 16 2008 - 10:44:10 ARST
from your local router try telnetting remote ip address (neighbor configured
ip address under bgp process) to destination port 179.
> Date: Fri, 15 Feb 2008 01:07:32 -0500> From: luan.m.nguyen@gmail.com> To:
cristian.ionescu@omnilogic.ro> Subject: Re: BGP - Connection refused by remote
host> CC: ccielab@groupstudy.com> > It means the other end doesn't have bgp
configured.> > -lmn> > On Thu, Feb 14, 2008 at 7:40 AM, Cristian Ionescu <>
cristian.ionescu@omnilogic.ro> wrote:> > > Hi GS> >> > I have a strange
situation with a "simple" BGP peering session.> > I have 2 router connected
over FR in different AS-es and i want to> > establish a peering session
between them. Let's say i do not know the> > config of BB.> >> > AS100 - - - -
- AS54> > R6 <----------> BB> >> > The config of R6 is:> >> > R6#> > interface
Loopback0> > ip address 150.1.6.6 255.255.255.0> > !> > interface Serial0/0/0>
> ip address 54.1.1.6 255.255.255.0> > !> > router bgp 100> > no
synchronization> > bgp log-neighbor-changes> > neighbor 54.1.1.254 remote-as
54> > no auto-summary> > !> >> >> > BB is directly connected and the peer
address is 54.1.1.254 (i have ping> > to this address)> >> > I get the
following debug output:> >> > *Feb 14 11:33:31.259: BGP: 54.1.1.254 open
active, local address 54.1.1.6> > TCB45114344 created> > *Feb 14 11:46:32.839:
TCB45114344 setting property TCP_WINDOW_SIZE (0)> > 4511D1C8> > *Feb 14
11:46:32.839: TCB45114344 setting property TCP_MD5KEY (5) 0> > *Feb 14
11:46:32.839: TCB45114344 setting property TCP_TOS (11) 4511D1A8> > *Feb 14
11:46:32.839: TCB45114344 setting property TCP_OUT_TTL (24)> > 46B25A2A> >
*Feb 14 11:46:32.839: TCP: Random local port generated 53511> > *Feb 14
11:46:32.839: TCB45114344 bound to 54.1.1.6.53511> > *Feb 14 11:46:32.839:
TCP: sending SYN, seq 664141347, ack 0> > *Feb 14 11:46:32.839: TCP0:
Connection to 54.1.1.254:179, advertising> > MSS 1460> > *Feb 14 11:46:32.839:
TCP0: state was CLOSED -> SYNSENT [53511 ->> > 54.1.1.254(179)]> > *Feb 14
11:46:32.839: TCP0: state was SYNSENT -> CLOSED [53511 ->> > 54.1.1.254(179)]>
> *Feb 14 11:46:32.839: TCP0: bad seg from 54.1.1.254 -- closing> >
connection: port 53511 seq 0 ack 664141348 rcvnxt 0 rcvwnd 0 len 0> > *Feb 14
11:46:32.843: TCP0: connection closed - remote sent RST> > *Feb 14
11:46:32.843: TCB 0x45114344 destroyed> > *Feb 14 11:33:31.259: BGP:
54.1.1.254 open failed: Connection refused by> > remote host, open active
delayed 29499ms (32000ms max, 28% jitter)> >> > Can u please tell me where is
the problem? What is the cause of this> > kind of error message?> >> >
Regards> > Cristian Ionescu> >> > This message (including any attachments) is
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you,> > Support Team> >> >
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