HP 7000 dl Router manual Clear ip bgp * as-number ip address in out soft, Out, Soft, #clear ip bgp

SROS Command Line Interface Reference Guide Enable Mode Command Set

clear ip bgp [* <as-number> <ip address>] [in out soft]

Use the clear ip bgp command to clear BGP neighbors as specified.

Syntax Description

*	Clears all BGP neighbors.
<as-number>	Clears all BGP neighbors with the specified AS number. Range is 1 to 65,535.
<ip address>	Clears the BGP neighbor with the specified IP address.
in	Causes a “soft” reset inbound with a neighbor, reprocessing routes advertised by
	that neighbor.
out	Causes a “soft” reset outbound with a neighbor, re-sending advertised routes to
	that neighbor.
soft	Causes a “soft” reset both inbound and outbound.

Default Values

No default value necessary for this command.

Command Modes

# Enable Command Mode

Functional Notes

The clear ip bgp command must be issued to re-initialize the BGP process between the peers matching the given arguments. Most neighbor changes, including changes to prefix-list filters, do not take effect until the clear command is issued. A hard reset clears the TCP connection with the specified peers which results in clearing the table. This method of clearing is disruptive and causes peer routers to record a route flap for each route.

The out version of this command provides a soft reset out to occur by causing all routes to be re-sent to the specified peer(s). TCP connections are not torn down so this method is less disruptive. Output filters/policies are re-applied before sending the update.

The in version of this command provides a soft reset in to occur by allowing the router to receive an updated table from a peer without tearing down the TCP connection. This method is less disruptive and does not count as a route flap. Currently all of the peer's routes are stored permanently, even if they are filtered by a prefix list. The command causes the peer's routes to be reprocessed with any new parameters.

Usage Examples

The following example causes a hard reset with peers with an AS number of 101:

#clear ip bgp 101

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