Cisco Cisco IOS Software Release 12.0(22)S

No new or modified RFCs are supported by this feature.

Your network must support the following Cisco IOS features:

MPLS

IP Cisco Express Forwarding (CEF)

IS-IS or OSPF

See the following sections for configuration tasks for the Interarea Tunnels feature. Each task in the list 
is identified as either optional or required. 

 (required)

 (optional) 

 (optional) 

 (required)

You must configure either OSPF or IS-IS.

To configure a platform to support traffic engineering tunnels, refer to the Cisco IOS Switching Services 
Configuration Guide.

This section describes the following:

For a description of the OSPF commands, see the Cisco IOS IP Command Reference, Volume 2 of 3: 
Routing Protocols manual. 

To view an example, go to