Configuring Bgp Route Dampening; Configuring A Shortcut Route - 3Com S7906E Configuration Manual

To do...
Specify the maximum number
of prefixes that can be received
from a peer/peer group.
If the number is reached, the
router breaks down the BGP
connection to the peer.
Specify the maximum number
of prefixes that can be received
from a peer/peer group.
If the number is reached, the
router outputs alert information
but does not break down the
BGP connection to the peer.
Specify the maximum number
of prefixes that can be received
from a peer/peer group.
If the number is reached, the
router breaks down the BGP
connection to the peer and then
reestablishes a BGP
connection to the peer.

Configuring BGP Route Dampening

By configuring BGP route dampening, you can suppress unstable routes from being added to the local
routing table or being advertised to BGP peers.
Follow these steps to configure BGP route dampening:
To do...
Enter system view
Enter BGP view
Configure BGP route
dampening

Configuring a Shortcut Route

An eBGP route received has a priority of 255, lower than a local route. This task allows you configure an
eBGP route as a shortcut route that has the same priority as a local route and thus has greater likehood
to become the optimal route.
Follow these steps to configure a shortcut route:
To do...
Enter system view
Enter BGP view
Use the command...
peer { group-name |
ip-address } route-limit
prefix-number
[ percentage-value ]
peer { group-name |
ip-address } route-limit
prefix-number alert-only
[ percentage-value ]
peer { group-name |
ip-address } route-limit
prefix-number reconnect
reconnect-time
[ percentage-value ]
Use the command...
system-view
bgp as-number
dampening [ half-life-reachable
half-life-unreachable reuse suppress
ceiling | route-policy route-policy-name ] *
Use the command...
system-view
bgp as-number
1-25
Remarks
Required to choose any;
No limit is configured by
default.
Remarks
—
—
Required
Not configured by
default.
Remarks
—
—