Users Guide

Field Description
• a = aggregate route entry
• c = external confederation route entry
• n = network route entry
• r = redistributed route entry
Next Hop Displays the next hop address of the BGP router. If 0.0.0.0 is
listed in this column, then local routes exist in the routing table.
Metric Displays the BGP route’s metric, if assigned.
LocPrf Displays the BGP LOCAL_PREF attribute for the route.
Weight Displays the route’s weight.
Path Lists all the ASs the route passed through to reach the
destination network.
Example
Dell# show run as-path a1
!
ip as-path access-list a1
permit 500
Dell#
Dell# show ip bgp filter-list a1
BGP local RIB : Routes to be Added 0, Replaced 0, Withdrawn 0
BGP local router ID is 192.168.11.5
Status codes: s suppressed, S stale, d dampened, h history, * valid, > best
Path source: I - internal, a - aggregate, c - confed-external, r - redistributed
n - network, D - denied, S - stale
Origin codes: i - IGP, e - EGP, ? - incomplete
Network Next Hop Metric LocPrf Weight Path
*> 55.0.0.0/24 172.16.0.2 0 200 400 500
600 i
*> 66.0.0.0/24 172.16.0.2 0 200 500 i
Dell#
show ip bgp flap-statistics
View flap statistics on BGP routes.
Syntax
show ip bgp [vrf vrf-name] [ipv4 {multicast | unicast} | ipv6
unicast] flap-statistics [ip-address [mask]] [filter-list as-path-
name] [regexp regular-expression]
Parameters
vrf vrf-name (OPTIONAL) Enter the keywords vrf and then the name of the
VRF to view flap statistics on BGP routes corresponding to that
VRF.
ipv4 multicast (OPTIONAL) Enter the keyword ipv4 followed by the keyword
multicast to view information related only to ipv4 multicast
routes.
Border Gateway Protocol 541