Avaya 1000 Series Configuration Manual page 301

Configuring EBGP Sessions
router bgp 100
neighbor 30.30.30.3 200
CONFIGURATION OF 3RDPARTYROUTER:
interface Serial3/0
ip address 30.30.30.3 255.255.255.0
encapsulation ppp
exit
router bgp 200
neighbor 30.30.30.1 remote-as 100
The above configuration should bring up an EBGP Session between Avaya1 and
3rdPartyRouter.
View the neighbor status:
Avaya1> show ip bgp neighbors
BGP neighbor is 30.30.30.3, peer group is BgpExternal
Remote AS 200, local AS 100, Group Type is External
BGP version 4, local router ID 60.60.60.5, remote
router ID 60.60.60.3
Current state = Established, up for 00:01:20
Last state = OpenConfirm, last event = RecvKeepAlive
Last error = Open Message Error (subcode : unsupported
optional parameter)
Configured Hold time is 180 seconds, keepalive interval
is 60 seconds
Active Holdtime is 180 seconds, keepalive interval is
60 seconds
Maximum prefixes is set to 50000 (warning : 41500)
Current number of prefixes from this neighbor is 0
Received 3 messages (38 bytes), 0 notifications, 0
updates
Sent 3 messages (67 bytes), 1 notifications, 0 updates
Connections established 1
Connection state is ESTABLISHED
Local host: 30.30.30.1, Local port: 179
Foreign host: 30.30.30.3, Foreign port: 11048
Group Type is External means that the session is an EBGP Session and the peer group is
BgpExternal which is the default group the neighbor is assigned to by default in an EBGP
session. Connection state in the above output shows it as ESTABLISHED, which means the
Avaya and 3rdPartyRouter have successfully formed a EBGP Connection.
The following 3rdPartyRouter outputs shows external link, which means neighbor 30.30.30.1,
is an EBGP neighbor and the BGP State shows it as ESTABLISHED.
3rdPartyRouter>show ip bgp neighbors
BGP neighbor is 30.30.30.1, remote AS 100, external link
BGP version 4, remote router ID 60.60.60.5
BGP state = Established, up for 00:01:33
Last read 00:00:33, hold time is 180, keepalive interval is 60 seconds
Received 5 messages, 1 notifications, 0 in queue
Sent 6 messages, 0 notifications, 0 in queue
Route refresh request: received 0, sent 0
Minimum time between advertisement runs is 30 seconds
For address family: IPv4 Unicast
BGP table version 1, neighbor version 1
Index 1, Offset 0, Mask 0x2
0 accepted prefixes consume 0 bytes
Prefix advertised 0, suppressed 0, withdrawn 0
Avaya Secure Router 1000 Series Configuration Guide December 2010 301