Reference Guide

fast-external-fallover
Resets BGP sessions immediately when a link to a directly connected external peer fails.
Syntax
fast-external-fallover
Parameters None
Default Not congured
Command Mode ROUTER-BGP
Usage Information Fast external fall-over terminates the EBGP session immediately after the IP unreachability or link failure is
detected. This only applies after you manually reset all existing BGP sessions. For the conguration to take eect,
use the clear ip bgp command. The no version of this command disables fast external fallover.
Example
OS10(conf-router-bgp-10)# fast-external-fallover
Supported Releases 10.3.0E or later
inherit template
Congures a peer group template name that the neighbors use to inherit peer-group conguration.
Syntax
inherit template template-name
Parameters template-name — Enter a template name, up to 16 characters.
Default Not congured
Command Mode ROUTER-NEIGHBOR
Usage Information When network neighbors inherit a template, all features enabled on the template are also supported on the
neighbors. The no version of this command disables the peer group template conguration.
Example
OS10(conf-router-neighbor)# inherit template zanzibar
Supported Releases 10.2.0E or later
listen
Enables peer listening and sets the prex range for dynamic peers.
Syntax
listen ip-address [limit count]
Parameters
• ip-address—Enter the BGP neighbor IP address.
• limit count—(Optional) Enter a maximum dynamic peer count, from 1 to 4294967295.
Default Not congured
Command Mode ROUTER-TEMPLATE
Usage Information Enables a passive peering session for listening. The no version of this command disables a passive peering session.
Example
OS10(conf-router-template)# listen 1.1.0.0/16 limit 4
Layer 3 293