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CHAPTER
35-1
Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
35
Layer 2 Control Protocol Peering, Forwarding,
and Tunneling
This feature module describes how to configure Layer 2 (L2) Control Protocol Peering, Forwarding, and
Tunneling feature on the Cisco ASR 901 Series Aggregation Services Routers.
Finding Feature Information
Your software release may not support all the features documented in this module. For the latest feature
information and caveats, see the release notes for your platform and software release. To find information
about the features documented in this module, and to see a list of the releases in which each feature is
supported, see the “Feature Information for Layer 2 Control Protocol Peering, Forwarding, and Tunneling”
section on page 35-15.
Use Cisco Feature Navigator to find information about platform support and Cisco software image
support. To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn. An account on
Cisco.com is not required.
Contents
• Prerequisites, page 35-1
• Restrictions, page 35-2
• Layer 2 Control Protocol Forwarding, page 35-2
• How to Configure Layer 2 Control Protocol Peering, Forwarding, and Tunneling, page 35-3
• Configuration Examples, page 35-10
• Additional References, page 35-13
• Feature Information for Layer 2 Control Protocol Peering, Forwarding, and Tunneling, page 35-15
Prerequisites
A Cisco IOS software that supports Layer 2 Control Protocol Peering, Forwarding, and Tunneling must
be installed previously on the Cisco ASR 901 Series Aggregation Services Router. For supported
software releases, see Release Notes for Cisco ASR 901 Series Aggregation Services Router.