Table 32: show ip bgp filter-list Output Fields (continued)
Field DescriptionField Name
Number of distinct path attributes stored in BGP's internal path
attributes table. If BGP receives two routes for different prefixes
but with identical path attributes, BGP will create only one entry in
its internal path attribute table and share it between the two routes
to conserve memory.
path attribute entries
Prefix for the routing table entryPrefix
IP address of the next router that is used when a packet is forwarded
to the destination network
Next hop IP address
Multiexit discriminator for the routeMED
Calculated preference for the routeCalPrf
Weight of the routeWeight
Autonomous system pathAS path
Related Topics show bgp ipv6 filter-list•
• show ip bgp filter-list
Monitoring BGP Flap Statistics
Purpose Display information about BGP flap statistics
The show ip bgp flap-statistics and show bgp ipv6 flap-statistics commands display
similar information.
Action To display information about flap statistics:
host1#show ip bgp flap-statistics
Local BGP identifier 192.168.1.232, local AS 100
Route flap dampening is enabled
Default decay half-life is 15 minutes
Default cutoff threshold is 2000, default reuse threshold is 750
Default maximum hold-down time is 60 minutes
307 paths have active route flap histories (27016 bytes used)
5 paths are suppressed
Figure Time until
Prefix Peer Status of Merit Reuse/Remove
24.201.0.0/18 192.168.1.158 Available 925 00:58:23
24.201.64.0/18 192.168.1.158 Available 925 00:58:23
52.128.224.0/19 192.168.1.158 Available 750 00:54:12
61.8.0.0/19 192.168.1.158 Available 993 00:59:53
61.8.30.0/24 192.168.1.158 Available 993 00:59:53
62.229.73.0/24 192.168.1.158 Unreachable 925 00:58:23
63.69.150.0/24 192.168.1.158 Available 750 00:54:12
177Copyright © 2010, Juniper Networks, Inc.
Chapter 2: Monitoring BGP