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CHAPTER
13-1
Cisco ASR 1000 Series Aggregation Services Routers Software Configuration Guide
OL-16506-17
13
Configuring Bridge Domain Interfaces
The Cisco ASR 1000 Series Aggregation Services Routers support the bridge domain interface (BDI)
feature for packaging Layer 2 Ethernet segments into Layer 3 IP.
Finding Feature Information
Your software release might 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 Bridge Domain Interfaces” section on page 13-11.
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
• Restrictions for Bridge Domain Interfaces, page 13-1
• Information About Bridge Domain Interfaces, page 13-2
• Creating or Deleting a Bridge Domain Interface, page 13-6
• Bridge Domain Interface Scalability, page 13-6
• How to Configure a Bridge Domain Interface, page 13-6
• Additional References, page 13-10
• Feature Information for Configuring Bridge Domain Interfaces, page 13-11
Restrictions for Bridge Domain Interfaces
The following are the restrictions pertaining to bridge domain interfaces:
• Only 4096 bridge domain interfaces are supported per system.
• Bridge domain interfaces do not support the following features:
–
PPP over Ethernet (PPPoE)
–
Bidirectional Forwarding Detection (BFD) protocol