Reference Guide

Border Gateway Protocol IPv4 (BGPv4) | 347
Defaults
Not configured.
Command Modes
ROUTER BGP
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
neighbor graceful-restart
c e s
Enable graceful restart on a BGP neighbor.
Syntax
neighbor {ip-address | peer-group-name} graceful-restart [restart-time seconds]
[stale-path-time seconds] [role receiver-only]
To return to the default, enter the no bgp graceful-restart command.
Parameters
Defaults
as above
Command Modes
ROUTER BGP
as-path-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 (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
Increased name string to accept up to 140 characters. Prior to 7.8.1.0, ACL names are up
to 16 characters long.
Version 7.7.1.0 Introduced support on C-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.
restart-time seconds Enter the keyword restart-time followed by the maximum number of
seconds needed to restart and bring-up all the peers.
Range: 1 to 3600 seconds
Default: 120 seconds
stale-path-time seconds Enter the keyword stale-path-time followed by the maximum
number of seconds to wait before restarting a peer’s stale paths.
Default: 360 seconds.
role receiver-only Enter the keyword role receiver-only to designate the local router to
support graceful restart as a receiver only.