3Com MSR 30, MSR 50 manual Filter-policy import BGP-VPNv4 subaddress family view

1694 CHAPTER 98: MPLS L3VPN CONFIGURATION COMMANDS

ospf process-id: Filters OSPF routes to be advertised that are from a specified OSPF process. The process-idargument is in the range 1 to 65535.

rip process-id: Filters RIP routes to be advertised that are from a specified RIP process. The process-idargument is in the range 1 to 65535.

static: Filters static routes to be advertised.

Description Use the filter-policy export command to specify to filter all or certain types of routes to be advertised.

Use the undo filter-policy export command to remove the configuration.

If you specify no routing protocol parameters for the filter-policy export command, all routes to be advertised will be filtered.

By default, MP-BGP does not filter routes to be advertised.

Only routes that survive the filtering are advertised by MP-BGP.

Example # In BGP-VPNv4 subaddress family view, specify to filter routes to be advertised by MP-BGP using ACL 2555.

<Sysname> system-view

[Sysname] bgp 100

[Sysname] ipv4-family vpnv4

[Sysname-bgp-af-vpnv4] filter-policy 2555 export

filter-policy import (BGP-VPNv4 subaddress family view)

Syntax filter-policy { acl-numberip-prefix ip-prefix-name} import

undo filter-policy import

View BGP-VPNv4 subaddress family view

Parameter acl-number: IP ACL number, in the range 2000 to 3999.

ip-prefix-name: IP address prefix list name, a string of 1 to 19 characters.

Description Use the filter-policy import command to specify to filter received routes.

Use the undo filter-policy import command to remove the configuration.

By default, received routes are not filtered.

Only routes that survive the filtering are added into the BGP routing table.

Example # In BGP-VPNv4 subaddress family view, specify to use ACL 2255 to filter received routes.