Monitoring And Maintaining Bgp - Cisco 3845 - Security Bundle Router Software Manual
Software configuration guide
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Configuring BGP
Command
Step 8
clear ip bgp flap-statistics [{regexp regexp} |
{filter-list list} | {address mask [longer-prefix]}
Step 9
clear ip bgp dampening
Step 10
copy running-config startup-config
To disable flap dampening, use the no bgp dampening router configuration command without
keywords. To set dampening factors back to the default values, use the no bgp dampening router
configuration command with values.
Monitoring and Maintaining BGP
You can remove all contents of a particular cache, table, or database. This might be necessary when the
contents of the particular structure have become or are suspected to be invalid.
You can display specific statistics, such as the contents of BGP routing tables, caches, and databases.
You can use the information to get resource utilization and solve network problems. You can also display
information about node reachability and discover the routing path your device's packets are taking
through the network.
Table 29-8
the display fields, see the Cisco IOS IP Command Reference, Volume 2 of 3: Routing Protocols, Release
12.2.
Table 29-11
IP BGP Clear and Show Commands
Command
clear ip bgp address
clear ip bgp *
clear ip bgp peer-group tag
show ip bgp prefix
show ip bgp cidr-only
show ip bgp community [community-number] [exact]
show ip bgp community-list community-list-number
[exact-match]
show ip bgp filter-list access-list-number
show ip bgp inconsistent-as
show ip bgp regexp regular-expression
show ip bgp
Cisco ME 3800X and 3600X Switch Software Configuration Guide
29-60
lists the privileged EXEC commands for clearing and displaying BGP. For explanations of
Purpose
Reset a particular BGP connection.
Reset all BGP connections.
Remove all members of a BGP peer group.
Display peer groups and peers not in peer groups to which the
prefix has been advertised. Also display prefix attributes such as
the next hop and the local prefix.
Display all BGP routes that contain subnet and supernet network
masks.
Display routes that belong to the specified communities.
Display routes that are permitted by the community list.
Display routes that are matched by the specified AS path access
list.
Display the routes with inconsistent originating autonomous
systems.
Display the routes that have an AS path that matches the specified
regular expression entered on the command line.
Display the contents of the BGP routing table.
Purpose
(Optional) Clear BGP flap statistics to make it less likely that a
route will be dampened.
(Optional) Clear route dampening information, and unsuppress
the suppressed routes.
(Optional) Save your entries in the configuration file.
Chapter 29
Configuring IP Unicast Routing
OL-23400-01
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