Configure Bgp Add Confederation-Peer Sub-As-Number - Extreme Networks ExtremeWare XOS Command Reference Manual

ExtremeWare XOS 11.5 supports only the Summit X450 family of switches and the BlackDiamond 8800 series switch.

configure bgp add confederation-peer sub-AS-number

configure bgp add confederation-peer sub-AS-number
configure bgp add confederation-peer sub-AS-number <number>
Description
Adds a sub-AS to a confederation.
Syntax Description
number Specifies a sub-AS number of the confederation. The range is 1 to 65535.
Default
N/A.
Usage Guidelines
Invoke this command multiple times to add multiple sub-ASs.
IBGP requires networks to use a fully-meshed router configuration. This requirement does not scale
well, especially when BGP is used as an interior gateway protocol. One way to reduce the size of a
fully-meshed AS is to divide the AS into multiple sub-autonomous systems and group them into a
routing confederation. Within the confederation, all BGP speakers in each sub-AS must be fully-meshed.
The confederation is advertised to other networks as a single AS.
Example
The following command adds one sub-AS to a confederation:
configure bgp add confederation-peer sub-AS-number 65002
History
This command was first available in ExtremeWare XOS 10.1.
This command required an Advanced Core license in ExtremeWare XOS 11.1.
Platform Availability
This command is available on platforms with a Core or an Advanced Core license.
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ExtremeWare XOS 11.5 Command Reference Guide