Prerequisites For Implementing 802.1Ah Provider Backbone Bridge; Information About Implementing 802.1Ah Provider Backbone Bridge; Benefits Of Ieee 802.1Ah Standard - Cisco ASR 9000 Series Configuration Manuallines

Prerequisites for Implementing 802.1ah Provider Backbone Bridge

Feature Name
Multiple I-SID Registration
Protocol Lite
PBB VPLS
PBB EVPN
MMRP for PBB VPLS Flood
Optimization
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Prerequisites for Implementing 802.1ah Provider Backbone
Bridge
This prerequisite applies to implementing 802.1ah Provider Backbone Bridge:
• You must be in a user group associated with a task group that includes the proper task IDs. The command
• You must be familiar with the multipoint bridging concepts. Refer to the
Information About Implementing 802.1ah Provider Backbone
Bridge
To implement 802.1ah, you must understand these concepts:

Benefits of IEEE 802.1ah standard

The benefits of IEEE 802.1ah provider backbone bridges are as follows:
• Increased service instance scalability—Enables a service provider to scale the number of services (service
• MAC address scalability—Encapsulates the customer packet, including MAC addresses, into a new
L2VPN and Ethernet Services Configuration Guide for Cisco ASR 9000 Series Routers, IOS XR Release 6.3.x
356
Prerequisites for Implementing 802.1ah Provider Backbone Bridge, on page 356
Information About Implementing 802.1ah Provider Backbone Bridge, on page 356
How to Implement 802.1ah Provider Backbone Bridge, on page 370
Configuration Examples for Implementing 802.1ah Provider Backbone Bridge, on page 398
Configuring PBB-EVPN: Example, on page 401
reference guides include the task IDs required for each command.
If you suspect user group assignment is preventing you from using a command, contact your AAA
administrator for assistance.
2 Services module.
VLANs or service instances) in a Provider Bridged Network (PBN).
ethernet frame with new MAC addresses (the backbone bridge MAC addresses). This eliminates the
need for backbone core bridges to learn all MAC addresses of every customer and also eases the load
on backbone edge bridges.
Implementing IEEE 802.1ah Provider Backbone Bridge
ASR 9000 Ethernet Line Card
No
No
No
No
ASR 9000 Enhanced Ethernet Line
Card
Yes
Yes
Yes
Yes
Implementing Multipoint Layer