
Configuring IP Services
6-10 114065 Rev. A
Identifying the Local AS
Each autonomous system in the internet has a unique AS ID.You can use Site
Manager to supply the ID of the AS in which the BGP router is located.
Configuring BGP for Intra-AS Routing
By default, BGP supports IBGP intra-AS sessions. (See “Interior BGP in Intra-AS
Routing” on page 6-3.)
You can use Site Manager to disable and re-enable the feature.
If IBGP is enabled, you can use Site Manager to specify the types of routes that
BGP advertises in IBGP sessions. By default, BGP propagates only routes learned
from external BGP peers.
A BGP transit AS should use IBGP intra-AS routing. A stub or multihomed AS
usually does not use IBGP routing.
Note: If both BGP and OSPF are running on the router, then the OSPF router
ID must be equivalent to one of the configured IP interfaces.
Site Manager: BGP Local AS parameter: page A-2
Site Manager: BGP Intra-AS parameter: page A-3
Site Manager: BGP From Protocols parameter: page A-3
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