Connectivity Guide

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
Supported Releases 10.2.0E or later
local-as
Congures a local AS number for a peer.
Syntax
local-as as-number [no-prepend]
Parameters
• as-number—Enter the local AS number, from 1 to 4294967295.
• no-prepend—(Optional) Enter so that local AS values are not prepended to announcements from the
neighbor.
Default Disabled
Command Mode ROUTER-NEIGHBOR or ROUTER-TEMPLATE
Usage Information Facilitates the BGP network migration operation and allows you to maintain existing AS numbers. The no version of
this command resets the value to the default.
Example (Neighbor)
OS10(conf-router-bgp-10)# neighbor lunar
OS10(conf-router-neighbor)# local-as 20
Example (Template)
OS10(conf-router-bgp-10)# template solar
OS10(conf-router-template)# local-as 20
Supported Releases 10.3.0E or later
log-neighbor-changes
Enables logging for changes in neighbor status.
Syntax
log-neighbor-changes
Parameters None
Default Enabled
Command Mode ROUTER-BGP
Layer 3 475