neighbor peer-group-name alternate-as-range

Adds a neighbor from an autonomous system (AS) to the IPv4 multiprotocol BGP neighbor table of the local router.

Syntax

neighbor peer-group-name alternate-as-range {add | remove as-range } [as-range ]

no neighbor peer-group-name alternate-as-range

By default, AS neighbors are not added to the BGP neighbor table

add | remove: Specifies whether to add or remove the indicated AS number or range.
as-range: Specifies the AS number or range of AS numbers to add to the BGP neighbor table. Separate multiple entries with a comma. Separate contiguous ranges with a hyphen. For example: 100, 200-300.

BGP configuration mode

Use the no form of the command to reset the default functionality.

This example adds an AS number and a range of AS numbers.

device# configure terminal
device(cofig)# neighbor peer-group-name alternate-as-range add 100,200-300

This example removes an AS number.

device# configure terminal
device(cofig)# neighbor peer-group-name alternate-as-range remove 100

This example resets the default functionality.

device# configure terminal
device(cofig)# no neighbor peer-group-name alternate-as-range