H3C S7500E Series

Command Manual – IPv4 Routing
H3C S7500E Series Ethernet Switches Chapter 4 IS-IS Configuration Commands
4-24
4.1.19 filter-policy import
Syntax
filter-policy { acl-number | ip-prefix ip-prefix-name | route-policy route-policy-name }
import
undo filter-policy import
View
IS-IS view
Parameters
acl-number: Specifies the number of an ACL that is used to filter incoming routes,
ranging from 2000 to 3999.
ip-prefix ip-prefix-name: Specifies the name of an IP prefix list that is used to filter
incoming routes, a string of 1 to 19 characters.
route-policy route-policy-name: Specifies the name of a routing policy that is used to
filter incoming routes, a string of 1 to 19 characters.
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.
Examples
# Reference ACL 2000 to filter incoming routing information.
<Sysname> system-view
[Sysname] isis
[Sysname-isis-1] filter-policy 2000 import
4.1.20 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 ]