The Carrier Ethernet Model
This chapter introduces you to Layer 2 (L2) features and standards. This chapter also describes how to configure
L2VPN features
The distributed Gigabit Ethernet and 10-Gigabit Ethernet architecture and features deliver network scalability
and performance, while enabling service providers to offer high-density, high-bandwidth networking solutions
designed to interconnect the router with other systems in POPs, including core and edge routers and L2 and
Layer 3 (L3) switches.
Note
This chapter does not include configuration information for Management Ethernet interfaces. To set up a
Management Ethernet interface and enable Telnet servers, see the Cisco ASR 9000 Series Aggregation Services
Routers Getting Started Guide. To configure a Management Ethernet interface for routing or to modify the
configuration of a Management Ethernet interface, see the Advanced Configuration and Modification of the
Management Ethernet Interface on the Cisco ASR 9000 Series Router chapter of the Interface and Hardware
Component Configuration Guide for Cisco ASR 9000 Series Routers.
Feature History for Configuring Ethernet Interfaces
Release
Release 3.7.2
Release 4.1.1
•
•
•
•
•
Prerequisites for Configuring Layer 2 Ethernet Interfaces
Before configuring Ethernet interfaces, ensure that these tasks and conditions are met:
Prerequisites for Configuring Layer 2 Ethernet Interfaces, on page 5
Layer 2 Theory and Standards Adherence, on page 6
How to Configure Layer 2 Features on Ethernet Interfaces, on page 20
Configuration Examples, on page 34
Where to Go Next, on page 38
L2VPN and Ethernet Services Configuration Guide for Cisco ASR 9000 Series Routers, IOS XR Release 6.3.x
2
C H A P T E R
Modification
This feature was introduced on the Cisco ASR 9000
Series Routers.
Scalability of EFPs on bundle interfaces was
introduced.
5