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1314 CHAPTER 85: IPV6 RIPNG CONFIGURATION COMMANDS
filter-policy export
Syntax filter-policy { acl6-number | ipv6-prefix ipv6-prefix-name } export [ protocol
[ process-id ]]
undo filter-policy export [ protocol [ process-id ]]
View RIPng view
Parameters acl6-number: Specifies the number of an ACL to filter advertised routing
information, in the range of 2000 to 3999.
ipv6-prefix ipv6-prefix-name: Specifies the name of an IPv6 prefix list used to
filter routing information, a string of 1 to 19 characters.
protocol: Routing protocol from which to filter routes redistributed, currently
including bgp4+, direct, isisv6, ospfv3, ripng, and static
process-id: Process number of the specified routing protocol, in the range of 1 to
65535. This argument is specified only when the routing protocol is rip, ospf, or
isis.
Description Use the
filter-policy export command to define an outbound route filtering
policy. Only routes passing the filter can be advertised in the update messages.
Use the
undo filter-policy export command to restore the default.
By default, RIPng does not filter any outbound routing information.
With the protocol argument specified, only routing information redistributed from
the specified routing protocol will be filtered. Otherwise, all routing information
will be filtered.
Examples # Use IPv6 prefix list Filter 2 to filter advertised RIPng updates.
<Sysname> system-view
[Sysname] ripng 100
[Sysname-ripng-100] filter-policy ipv6-prefix Filter2 export
filter-policy import (RIPng view)
Syntax filter-policy { acl6-number | ipv6-prefix ipv6-prefix-name } import
undo filter-policy import
View RIPng view
Parameters acl6-number: Specifies the number of an ACL to filter received routing
information, in the range of 2000 to 3999.