Users Guide

Field Description
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BGP local RIB : Routes to be Added 0, Replaced 0, Withdrawn 0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
show ip bgp ap-statistics
View ap 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 ap
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.
ipv4 unicast (OPTIONAL) Enter the keyword ipv4 followed by the keyword unicast to view
information related only to ipv4 unicast routes.
ipv6 unicast (OPTIONAL) Enter the keyword ipv6 followed by the keyword unicast to view
information related only to ipv6 unicast routes.
ip-address (OPTIONAL) Enter the IP address (in dotted decimal format) of the BGP network
to view information only on that network.
mask (OPTIONAL) Enter the network mask (in slash prex (/x) format) of the BGP
network address.
lter-list as-path-
name
(OPTIONAL) Enter the keyword filter-list then the name of a congured
AS-PATH ACL. The range is 140 characters.
regexp regular-
expression
Enter a regular expression then use one or a combination of the following
characters to match. The range is 256 characters.
• . = (period) any single character (including a white space).
• * = (asterisk) the sequences in a pattern (zero or more sequences).
•
+ = (plus) the sequences in a pattern (one or more sequences).
• ? = (question mark) sequences in a pattern (either zero or one sequences).
Border Gateway Protocol
435