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 congured
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 conguration to take eect,
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
Congures a peer group template name that the neighbors use to inherit peer-group conguration.
Syntax
inherit template template-name
Parameters template-name — Enter a template name, up to 16 characters.
Default Not congured
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 conguration.
Example
OS10(conf-router-neighbor)# inherit template zanzibar
Supported Releases 10.2.0E or later
listen
Enables peer listening and sets the prex 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 congured
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
292 Layer 3