170
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.
suppress
: Specifies a suppression threshold , in the range of 1 to 20000. The route with a penalty value
higher than the threshold is suppressed. The default is 2000.
ceiling
: Specifies a ceiling penalty value, in the range of 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.
Description
Use
dampening
to configure IPv4 MBGP route dampening.
Use
undo dampening
to disable route dampening.
By default, no IPv4 MBGP route dampening is configured.
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)
Syntax
default local-preference
value
undo default local-preference
View
IPv4 MBGP address family view
Default level
2: System level
Parameters
value
: Specifies the default local preference, in the range of 0 to 4294967295. A larger value indicates
a higher preference.
Description
Use
default local-preference
to configure the default local preference.
Use
undo default local-preference
to restore the default.
By default, the default local preference is 100.
Using this command can affect MBGP route selection.
Examples
# In IPv4 MBGP address family view, set the default local preference to 180.