Dell MX5108n OS10 Enterprise Edition User Guide for PowerEdge MX IO Modules Re - Page 318

Command Mode Usage Information EXEC • 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, 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 - Displays the information included in the last read: - 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 - 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 - Displays the number of BGP messages sent, the number of notifications (error messages), and the number of messages waiting in a queue for processing. • Local host - Displays the peering address of the local router and the TCP port number. • Foreign host - Displays the peering address of the neighbor and the TCP port number. Although the status codes for routes received from a BGP neighbor may not display in show ip bgp neighbors ip-address received-routes output, they display correctly in show ip bgp output. Example OS10# show ip bgp neighbors BGP neighbor is 80.1.1.2, remote AS 800, local AS 102 external link BGP version 4, remote router ID 12.12.0.2 BGP state ESTABLISHED, in this state for 00:02:51 Last read 00:18:23 seconds Hold time is 90, keepalive interval is 30 seconds Configured hold time is 180, keepalive interval is 60 seconds Fall-over disabled Received 11 messages 1 opens, 0 notifications, 3 updates 7 keepalives, 0 route refresh requests Sent 8 messages 1 opens, 0 notifications, 0 updates 7 keepalives, 0 route refresh requests Minimum time between advertisement runs is 30 seconds Capabilities received from neighbor for IPv4 Unicast: MULTIPROTO_EXT(1)MULTIPROTO_EXT(1)MULTIPROTO_EXT(1)ROUTE_REFRESH(2) Capabilities advertised to neighbor for IPv4 Unicast: MULTIPROTO_EXT(1)MULTIPROTO_EXT(1)ROUTE_REFRESH(2)CISCO_ROUTE_REFRESH (128)4_OCTET_AS(65) Prefixes accepted 5, Prefixes advertised 0 Connections established 1; dropped 1 Closed by neighbor sent 00:02:51 ago For address family: IPv4 Unicast Next hop set to self Allow local AS number 0 times in AS-PATH attribute For address family: IPv6 Unicast Next hop set to self Allow local AS number 0 times in AS-PATH attribute Local host: 80.1.1.1, Local port: 57812 Foreign host: 80.1.1.2, Foreign port: 179 318 Layer 3