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FTOS Configuration Guide for the C-Series - Force10 Networks

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Debugging BGP<br />

Use any of <strong>the</strong> commands in EXEC Privilege mode to enable BGP debugging.<br />

Command Syntax Command Mode Purpose<br />

debug ip bgp [ip-address | peer-group<br />

peer-group-name] [in | out]<br />

<strong>FTOS</strong> displays debug messages on <strong>the</strong> console. To view which debugging commands are enabled, use <strong>the</strong><br />

show debugging command in EXEC Privilege mode.<br />

Use <strong>the</strong> keyword no followed by <strong>the</strong> debug command To disable a specific debug command. For example,<br />

to disable debugging of BGP updates, enter no debug ip bgp updates command.<br />

Use no debug ip bgp to disable all BGP debugging.<br />

Use undebug all to disable all debugging.<br />

EXEC Privilege View all in<strong>for</strong>mation on BGP, including<br />

BGP events, keepalives, notifications, and<br />

updates.<br />

debug ip bgp dampening [in | out] EXEC Privilege View in<strong>for</strong>mation on BGP route being<br />

dampened.<br />

debug ip bgp [ip-address | peer-group<br />

peer-group-name] events [in | out]<br />

debug ip bgp [ip-address | peer-group<br />

peer-group-name] keepalive [in | out]<br />

debug ip bgp [ip-address | peer-group<br />

peer-group-name] notifications [in |<br />

out]<br />

debug ip bgp [ip-address | peer-group<br />

peer-group-name] updates [in | out]<br />

[prefix-list name]<br />

debug ip bgp {ip-address |<br />

peer-group-name}<br />

soft-reconfiguration<br />

EXEC Privilege View in<strong>for</strong>mation on local BGP state<br />

changes and o<strong>the</strong>r BGP events.<br />

EXEC Privilege View in<strong>for</strong>mation about BGP KEEPALIVE<br />

messages.<br />

EXEC Privilege View in<strong>for</strong>mation about BGP notifications<br />

received from or sent to neighbors.<br />

EXEC Privilege View in<strong>for</strong>mation about BGP updates and<br />

filter by prefix name<br />

EXEC Privilege Enable soft-reconfiguration debug. Enable<br />

soft-reconfiguration debug.<br />

To enhance debugging of soft reconfig, use<br />

<strong>the</strong> following command only when<br />

route-refresh is not negotiated to avoid <strong>the</strong><br />

peer from resending messages:<br />

bgp soft-reconfig-backup<br />

In-BGP is shown via <strong>the</strong> show ip<br />

protocols command.<br />

516 Border Gateway Protocol (BGP)

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