Users Guide

Usage
Information
To enter AS-PATH ACL mode and configure the AS-PATH filters to deny or permit BGP routes based on
information in their AS-PATH attribute, use the ip as-path access-list command in
CONFIGURATION mode.
Related
Commands
ip as-path access-list — enter AS-PATH ACL mode and configure the AS-PATH filters.
neighbor graceful-restart
Enable graceful restart on a BGP neighbor.
C9000 Series
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
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 then the maximum number of seconds to
restart and bring-up all the peers. The range is from 1 to 3600 seconds. The default
is 120 seconds.
stale-path-time
seconds
Enter the keyword stale-path-time then the maximum number of seconds to
wait before restarting a peer’s stale paths. The default is 360 seconds.
role receiver-only Enter the keyword role receiver-only to designate the local router to
support graceful restart as a receiver only.
Defaults as above
Command Modes ROUTER BGP
Command
History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
7.8.1.0 Introduced on the S-Series.
7.7.1.0 Introduced on the C-Series.
Usage
Information
This feature advertises to BGP neighbors through a capability advertisement. In Receiver Only mode, BGP
saves the advertised routes of peers that support this capability when they restart.
358 Border Gateway Protocol