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21-1
Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide
OL-23826-09
21
Configuring Pseudowire
Cisco Pseudowire Emulation Edge-to-Edge (PWE3) allows you to transport traffic using traditional
services such as E1/T1 over a packet-based backhaul technology such as MPLS or IP. A pseudowire
(PW) consists of a connection between two provider edge (PE) devices that connects two attachment
circuits (ACs), such as ATM VPIs/VCIs or E1/T1 links.
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 Configuring Pseudowire” section on page 21-37.
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
• Understanding Pseudowires, page 21-2
• Hot Standby Pseudowire Support for ATM/IMA, page 21-3
• Configuring Pseudowire, page 21-4
• Configuring L2VPN Pseudowire Redundancy, page 21-20
• Configuring Hot Standby Pseudowire Support for ATM/IMA, page 21-22
• TDM Local Switching, page 21-27
• Configuration Examples of Hot Standby Pseudowire Support for ATM/IMA, page 21-30
• Configuration Examples for Pseudowire, page 21-31