R3303-HP HSR6800 Routers IP Multicast Command Reference

200
Use undo dampening to disable route dampening.
Syntax
dampening [ half-life-reachable half-life-unreachable reuse suppress ceiling | route-policy
route-policy-name ] *
undo dampening
Default
No IPv4 MBGP route dampening is configured.
Views
IPv4 MBGP address family view
Default command level
2: System level
Parameters
half-life-reachable: Specifies a half-life for active routes from 1 to 45 minutes. By default, the value is 15
minutes.
half-life-unreachable: Specifies a half-life for suppressed routes from 1 to 45 minutes. By default, the
value is 15 minutes.
reuse: Specifies a reuse threshold value for suppressed routes from 1 to 20000. A suppressed route
whose penalty value decreases under the value is reused. By default, the reuse value is 750.
suppress: Specifies a suppression threshold from 1 to 20000. The route with a penalty value higher than
the threshold is suppressed. The default value is 2000.
ceiling: Specifies a ceiling penalty value from 1001 to 20000. The value must be greater than the
suppress value. By default, the value is 16000.
route-policy-name: Specifies a routing policy by its name, a case-sensitive string of 1 to 63 characters.
Usage guidelines
The command dampens only EBGP routes rather than IBGP routes.
Examples
# In IPv4 MBGP address family view, configure IPv4 MBGP route dampening.
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] ipv4-family multicast
[Sysname-bgp-af-mul] dampening 15 15 1000 2000 10000
default local-preference (MBGP address family view)
Use default local-preference to configure the default local preference.
Use undo default local-preference to restore the default.
Syntax
default local-preference value
undo default local-preference