Command Manual – IPv6 Routing
H3C S7500E Series Ethernet Switches
Chapter 4 IPv6 IS-IS Configuration Commands
4-6
Description
Use the
ipv6 filter-policy export
command to configure IPv6 IS-IS to filter
redistributed routes before advertisement.
Use the
undo ipv6 filter-policy export
command to disable the filtering.
The filtering is disabled by default.
In some cases, only routes satisfying certain conditions will be advertised. You can
configure the filtering conditions using the
ipv6 filter-policy
command.
You can use the
ipv6 filter-policy export
command, which filters redistributed routes
only when they are advertised to other routers, in combination with the
ipv6
import-route
command.
z
If no protocol is specified, routes redistributed from all protocols are filtered before
advertisement.
z
If a protocol is specified, only routes redistributed from the protocol are filtered
before advertisement.
Related commands:
ipv6 filter-policy import
.
Examples
# Reference the ACL6 2006 to filter all the redistributed routes before advertisement.
<Sysname> system-view
[Sysname] isis
[Sysname-isis-1] ipv6 filter-policy 2006 export
4.1.5 ipv6 filter-policy import
Syntax
ipv6 filter-policy
{
acl6-number
|
ipv6-prefix ipv6-prefix-name
|
route-policy
route-policy-name
}
import
undo ipv6 filter-policy
import
View
IS-IS view
Parameters
acl6-number
: Number of a basic or advanced IPv6 ACL used to filter incoming routes,
ranging from 2000 to 3999.
ipv6-prefix-name
: Name of an IPv6 prefix list used to filter incoming routes, a string of 1
to 19 characters.
route-policy-name
: Name of a routing policy used to filter incoming routes, a string of 1
to 19 characters.
