3Com Switch 8800 Family Command Reference Guide

516 CHAPTER 27: BGP CONFIGURATION COMMANDS
acl-number: Number of the specified AS path to be matched, ranging from 1 to
199.
network-address: Displays the flap information of this IP address.
mask: Network mask.
longer-match: Shows the route flap-info that is more specific than address, mask.
Description
Use the display bgp routing-table flap-info command to view BGP flap-info. If
the network-address mask arguments are set to 0.0.0.0 0.0.0.0, this command
displays the flap statistics of all BGP routes.
Example
# Display BGP flap-info.
<SW8800> display bgp routing-table flap-info
Flags: # - valid, ^ - best,
D - damped, H - history,
I - internal, S - aggregate suppressed
B - balance
Dest/Mask Source Keepup-time Damping-limit Flap-times Origin As-path
--------------------------------------------------------------------
#D 11.1.0.0/16 133.1.1.2 48 1:20:30 4 IGP 200
Tabl e 77 Description of the fields of the display bgp routing-table flap-info command
Item Description
Flags
State flags:
# - valid (valid)
^ - best (selected)
D - damped (discarded)
H - history (history)
I - internal (interior gateway protocol)
S - aggregate suppressed (suppressed)
#D The valid and damped route
Dest/Mask The dampened route to the destination network 11.1.0.0
Source The nexthop of the route
Keepup-time The time that route damping has continued
Damping-limit The time before dampening turns invalid and the route can be reused.
Flap-times The times of the route flap
Origin
Origin attribute of route, which indicates that the route updates its origin
relative to the route originating it from AS. It has three optional values:
IGP
The route belongs to inside of AS. BGP treats aggregate route and
the route defined by the command network as inside of AS, and
origin type as IGP.
EGP The route is learned from exterior gateway protocol (EGP).
INC
Short for INCOMPLETE: indicates that the original source of the
route information is unknown (learned by other methods). BGP sets
the origin of the route imported through other IGP protocols as
INCOMPLETE