Reference Guide
888 | IPv6 Border Gateway Protocol (IPv6 BGP)
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Command Modes
EXEC
EXEC Privilege
Command
History
Example
FTOS#show ip bgp ipv6 unicast neighbors 
BGP neighbor is 5ffe:10::3, remote AS 1, external link 
 BGP version 4, remote router ID 5.5.5.3 
 BGP state ESTABLISHED, in this state for 00:00:32
 Last read 00:00:32, last write 00:00:32
 Hold time is 180, keepalive interval is 60 seconds 
Received 1404 messages, 0 in queue
 3 opens, 1 notifications, 1394 updates
 6 keepalives, 0 route refresh requests
 Sent 48 messages, 0 in queue
 3 opens, 2 notifications, 0 updates
 43 keepalives, 0 route refresh requests
Minimum time between advertisement runs is 30 seconds 
 Minimum time before advertisements start is 0 seconds 
 Capabilities received from neighbor for IPv6 Unicast : 
 MULTIPROTO_EXT(1)
 ROUTE_REFRESH(2)
 CISCO_ROUTE_REFRESH(128)
 Capabilities advertised to neighbor for IPv6 Unicast : 
 MULTIPROTO_EXT(1)
 ROUTE_REFRESH(2)
 CISCO_ROUTE_REFRESH(128)
 For address family: IPv6 Unicast
 BGP table version 12, neighbor version 12
 2 accepted prefixes consume 32 bytes
Prefixes accepted 1 (consume 4 bytes), withdrawn 0 by peer
 Prefixes advertised 0, rejected 0, withdrawn 0 from peer
 Connections established 3; dropped 2 
 Last reset 00:00:39, due to Closed by neighbor
 Notification History
 'OPEN error/Bad AS' Sent : 0 Recv: 1
Local host: 5ffe:10::4, Local port: 179
Foreign host: 5ffe:10::3, Foreign port: 35470
BGP neighbor is 5ffe:11::3, remote AS 1, external link 
 BGP version 4, remote router ID 5.5.5.3 
flap-statistics
(OPTIONAL) Enter the keyword flap-statistics to view flap statistics on 
the neighbor’s routes.
detail
 (OPTIONAL) Display detailed neighbor information.
routes
(OPTIONAL) Enter the keywords routes to view only the neighbor’s 
feasible routes.
Version 8.3.19.0 Introduced on S4820T
Version 8.4.2.1 Introduced on C-Series and S4810
Version 7.5.1.0 Modified: Added 
detail option; added information to output.
Version 7.4.1.0 Introduced on E-Series TeraScale










