Reference Guide

IPv6 Border Gateway Protocol (IPv6 BGP) | 857
For address family: IPv6 Unicast
BGP table version 12, neighbor version 12
2 accepted prefixes consume 32 bytes
Prefix advertised 0, rejected 0, withdrawn 0
Connections established 3; dropped 2
Last reset 00:00:41, due to Closed by neighbor
Notification History
'OPEN error/Bad AS' Sent : 0 Recv: 1
Local host: 5ffe:11::4, Local port: 179
Table 27-1. Command Example fields: show ip bgp ipv6 unicast neighbors
Lines beginning with Description
BGP neighbor Displays the BGP neighbor address and its AS number. The
last phrase in the line indicates whether the link between the
BGP router and its neighbor is an external or internal one. If
they are located in the same AS, then the link is internal;
otherwise the link is external.
BGP version Displays the BGP version (always version 4) and the remote
router ID.
BGP state Displays the neighbor’s BGP state and the amount of time in
hours:minutes:seconds it has been in that state.
Last read This line displays the following information:
• last read is the time (hours:minutes:seconds) the router read
a message from its neighbor
• hold time is the number of seconds configured between
messages from its neighbor
• keepalive interval is the number of seconds between
keepalive messages to help ensure that the TCP session is
still alive.
Received messages This line displays the number of BGP messages received, the
number of notifications (error messages) and the number of
messages waiting in a queue for processing.
Sent messages The line displays the number of BGP messages sent, the
number of notifications (error messages) and the number of
messages waiting in a queue for processing.
Received updates This line displays the number of BGP updates received and
sent.
Soft reconfiguration This line indicates that soft reconfiguration inbound is
configured.
Minimum time Displays the minimum time, in seconds, between
advertisements.
(List of inbound and outbound
policies)
Displays the policy commands configured and the names of the
Route map, AS-PATH ACL or Prefix list configured for the
policy.
For address family: Displays IPv6 Unicast as the address family.
BGP table version Displays the which version of the primary BGP routing table
the router and the neighbor are using.