Usage
Information To determine a BGP session flap, both a route-down event and a subsequent
route-up event corresponding to a single route are considered. As a result, a flap
event is penalized only one time during the route-down event. The subsequent
route-up event corresponding to the same route is not considered as a flap and is
not penalized.
The history paths that the show ip bgp command displays contain only the prefix
and the next-hop information. The next-hop information shows the ip address of
the neighbor. It does not show the actual next-hop details.
The following describes the show ip bgp damp command shown in the
following example.
Field Description
Network Displays the network ID to which the route is dampened.
From Displays the IP address of the neighbor advertising the
dampened route.
Reuse Displays the hour:minutes:seconds until the dampened
route is available.
Path Lists all the ASs the dampened route passed through to
reach the destination network.
Example Dell#show ip bgp dampened-paths
BGP local RIB : Routes to be Added 0, Replaced 0, Withdrawn 0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 From Reuse Path
d 55.0.0.0/24 172.16.0.2 00:36:23 200
Dell#
show ip bgp detail
Display BGP internal information for the IPv4 Unicast address family.
Z9500
Syntax show ip bgp [ipv4 unicast] detail
Defaults none
Command
Modes • EXEC
• EXEC Privilege
458 Border Gateway Protocol