Users Guide

● Network — Displays the network ID where the route is flapping.
● From — Displays the IP address of the neighbor advertising the flapping route.
● Duration — Displays the HH:MM:SS after the route first flapped.
● Flaps — Displays the number of times the route flapped.
● Reuse — Displays the HH:MM:SS until the flapped route is available.
● Path — Lists all AS the flapping route passed through to reach the destination network.
Example
OS10# show ip bgp flap-statistics
BGP local router ID is 80.1.1.1
Status codes: s suppressed, S stale, d dampened, h history, * valid, >
best
Origin codes: i - IGP, e - EGP, ? - incomplete
Network From Flaps Duration Reuse Path
*> 3.1.2.0/24 80.1.1.2 1 00:00:11 00:00:00 800 9 8 i
*> 3.1.3.0/24 80.1.1.2 1 00:00:11 00:00:00 800 9 8 i
*> 3.1.4.0/24 80.1.1.2 1 00:00:11 00:00:00 800 9 8 i
*> 3.1.5.0/24 80.1.1.2 1 00:00:11 00:00:00 800 9 8 i
*> 3.1.6.0/24 80.1.1.2 1 00:00:11 00:00:00 800 9 8 i
Total number of prefixes: 5
Supported
Releases
10.3.0E or later
show ip bgp ipv4 unicast
Displays route information for BGP IPv4 routes.
Syntax
show ip bgp [vrf vrf-name] ipv4 unicast [summary | neighbors [ip-address
| interface interface-type] [advertised-routes | dampened-paths | flap-
statistics | denied-routes | routes]]]
Parameters
● vrf vrf-name — (OPTIONAL) Enter vrf then the name of the VRF to view IPv4 unicast summary
information corresponding to that VRF.
● summary — Displays IPv4 unicast summary information.
● neighbors — Displays information about neighbors.
● ip-address — Displays information about a specific neighbor.
● interface interface-type — Displays BGP information that is learned through an unnumbered
neighbor.
● advertised-routes — Displays the routes that are advertised to a neighbor.
● dampened-paths — Displays the suppressed routes that are received from a neighbor.
● flap-statistics — Displays the flap statistics of the route that are received from a neighbor.
● received-routes — Displays the routes that are received from a neighbor.
● denied-routes — Displays the routes that are denied by a neighbor.
● routes — Displays routes learned from a neighbor.
Default Not configured
Command Mode EXEC
Usage
Information
This command displays locally advertised BGPv4 routes configured using the network command. These
routes show as r for redistributed/network-learned routes.
Example
OS10# show ip bgp ipv4 unicast summary
BGP router identifier 80.1.1.1 local AS number 102
Neighbor AS MsgRcvd MsgSent Up/Down State/Pfx
80.1.1.2 800 8 4 00:01:10 5
OS10# show ip bgp ipv4 unicast neighbors interface ethernet 1/1/1
advertised-routes
BGP local router ID is 40.1.1.2
Status codes: s suppressed, S stale, d dampened, h history, * valid, >
best
684 Layer 3