Reference Guide

388 | Border Gateway Protocol IPv4 (BGPv4)
www.dell.com | support.dell.com
Usage
Information
Other BGP filtering commands include: neighbor filter-list, ip as-path access-list, and
neighbor route-map.
Related
Commands
Command
History
neighbor filter-list
c e
t
s
Configure a BGP filter based on the AS-PATH attribute.
Syntax
neighbor [ip-address | peer-group-name] filter-list aspath access-list-name [in | out]
To delete a BGP filter, use the
no neighbor [ip-address | peer-group-name] filter-list aspath
access-list-name [in | out] command.
Parameters
Defaults
Not configured.
Command Modes
ROUTER BGP Address Family (conf-router_bgp_af)
Usage
Information
Use the ip as-path access-list command syntax in the CONFIGURATION mode to enter the
AS-PATH ACL mode and configure AS-PATH filters to deny or permit BGP routes based on
information in their AS-PATH attribute.
Related
Commands
Command
History
ip as-path access-list Configure IP AS-Path ACL.
neighbor filter-list Assign a AS-PATH list to a neighbor or peer group.
neighbor route-map Assign a route map to a neighbor or peer group.
Version 7.8.1.0 Introduced support on S-Series
Version 7.7.1.0 Introduced support on C-Series
Version 7.6.1.0 Introduced IPv6 MGBP support for E-Series
ip-address
Enter the IP address of the neighbor in dotted decimal format.
peer-group-name
Enter the name of the peer group to apply the filter to all routers in
the peer group.
access-list-name
Enter the name of an established AS-PATH access list (up to 140
characters).
If the AS-PATH access list is not configured, the default is permit
(to allow routes).
in Enter the keyword in to filter inbound BGP routes.
out
Enter the keyword out to filter outbound BGP routes.
ip as-path access-list Enter AS-PATH ACL mode and configure AS-PATH filters.
Version 7.8.1.0 Introduced support on S-Series
Version 7.7.1.0 Introduced support on C-Series
Version 7.6.1.0 Introduced IPv6 MGBP support for E-Series