Usage Information

After a peer reset, the contents of the notification log messages is displayed in hex values for debugging.

The neighbor information that this command displays does not include counts corresponding to ignored prefixes and updates. However, the martian case is an exception where neighbor information corresponding to ignored updates is displayed.

BGP shows the exact information that is exchanged between the BGP peers. It also indicates whether or not this information is received by the BGP peer.

The following describes the show ip bgp neighbors command shown in the following examples.

The Lines

Description

Beginning with:

 

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

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

This line displays the number of BGP messages received, the

messages

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

This line indicates that soft reconfiguration inbound is

reconfiguration

configured.

Border Gateway Protocol

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Dell 9.7(0.0) manual Lines Description Beginning with BGP neighbor, BGP version, BGP state, Last read, Received, Messages