R2511-HP MSR Router Series IP Multicast Command Reference(V5)
195
undo compare-different-as-med
Default
The comparison is disabled.
Views
IPv4 MBGP address family view
Default command level
2: System level
Usage guidelines
If several paths to one destination are available, the path with the smallest MED is selected.
Do not use this command unless associated ASs adopt the same IGP and routing selection method.
Examples
# In IPv4 MBGP address family view, enable the comparison of the MED for paths from peers in different
ASs.
<Sysname> system-view
[Sysname] bgp 100
[Sysname-bgp] ipv4-family multicast
[Sysname-bgp-af-mul] compare-different-as-med
dampening (MBGP address family view)
Use dampening to configure IPv4 MBGP route dampening.
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, in the range of 1 to 45 minutes. By default, the
value is 15 minutes.
half-life-unreachable: Specifies a half-life for suppressed routes, in the range of 1 to 45 minutes. By
default, the value is 15 minutes.
reuse: Specifies a reuse threshold value for suppressed routes, in the range of 1 to 20000. A suppressed
route whose penalty value decreases under the value is reused. By default, the reuse value is 750.










