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Description Use the filter-policy import command to configure IS-IS to filter incoming
routing information.
Use the
undo filter-policy import command to disable IS-IS from filtering
incoming routing information.
IS-IS does not filter incoming routing information by default.
In some cases, only the routing information satisfying certain conditions can be
received. You can reference filtering conditions using the filter-policy command.
Related commands: filter-policy export (IS-IS view).
Examples # Reference ACL 2000 to filter incoming routing information.
<Sysname> system-view
[Sysname] isis
[Sysname-isis-1] filter-policy 2000 import
flash-flood
Syntax flash-flood [ flood-count flooding-count | max-timer-interval flooding-interval |
[ level-1 | level-2 ]] *
undo flash-flood [ level-1 | level-2 ]
View IS-IS view
Parameters flood-count flooding-count: Specifies the maximum number of LSPs to be sent in
the fast-flooding process, ranging from 1 to 15. The default is 5.
max-timer-interval flooding-interval: Specifies the delay interval (in milliseconds)
between when it is enabled and when it begins, ranging from 10 to 50000. The
default is 10.
level-1: Specifies to configure fast-flooding on level-1 only.
level-2: Specifies to configure fast-flooding on level-2 only. If no level is
configured, the fast-flooding will be available on both level-1 and level-2 by
default.
Description Use the
flash-flood command to enable IS-IS LSP fast flooding and configure
related parameters, including the maximum number of LSPs to be sent and the
delay time before flooding.
Use the
undo flash-flood command to disable fast-flooding.
Fast flooding is disabled by default.
Using this command can speed up LSP flooding that is triggered by topology
changes, so as to reduce LSDB convergence time.