ECS4660-28F_Management Guide-R03

C HAPTER 51 | IP Routing Commands
Border Gateway Protocol (BGPv4)
– 1851 –
neighboring router is advertising a hold-time equal to, or greater than,
that configured on this device.
EXAMPLE
Console(config-router)#timers bgp 60 200
Console(config-router)#
clear ip bgp This command clears connections using hard or soft re-configuration.
SYNTAX
clear ip bgp {* | as-number | external | peer-group group-name |
neighbor-address} [in [prefix-list] | out | soft [in | out]]
* – All BGP peering sessions.
as-number – All peering sessions within this autonomous system
number. (Range: 1-4294967295)
external – All eBGP peering sessions.
peer-group group-name – A BGP peer group containing a list of
neighboring routers configured with the neighbor peer-group
command.
neighbor-address – IPv4 address of a neighbor.
in – Inbound sessions.
prefix-list – The outbound route filter (ORF) prefix list. This option
triggers a new route refresh or soft re-configuration, which updates
the ORF prefix list. This option is ignored unless ORF capabilities
have been enabled using the neighbor capability orf prefix-list
command or ORF capability information has been received from a
sending peer. If ignored, a normal inbound soft reset is performed.
out – Outbound sessions.
soft – Uses soft re-configuration for the reset, which does not tear
down the session.
COMMAND MODE
Privileged Exec
DEFAULT SETTING
None
COMMAND USAGE
◆ Use this command to initiate a hard reset or soft re-configuration. A
hard reset clears and rebuilds specified peering sessions and routing
tables. Soft re-configuration uses stored information to reconfigure and
activate routing tables without clearing existing sessions. It uses stored
update information to allow you to apply a new BGP policy without
disrupting the network.