VLANs on an Ethernet Link Bundle 57
Link Bundle Configuration Overview 57
Nonstop Forwarding During Card Failover 58
Link Failover 58
Bundle Interfaces: Redundancy, Load Sharing, Aggregation 58
How to Configure Link Bundling 58
Configuring Ethernet Link Bundles 58
Configuring VLAN Bundles 62
Configuration Examples for Link Bundles 67
EtherChannel Bundle running LACP: Example 67
Creating VLANs on a Ethernet Bundle: Example 68
ASR 9000 Link Bundles connected to a Cisco 7600 EtherChannel: Example 68
Implementing Point to Point Layer 2 Services 73
CHAPTER 5
Prerequisites for Implementing Point to Point Layer 2 Services 75
Information About Implementing Point to Point Layer 2 Services 75
Layer 2 Virtual Private Network Overview 75
Layer 2 Local Switching Overview 75
ATMoMPLS with L2VPN Overview 76
Virtual Circuit Connection Verification on L2VPN 76
Ethernet over MPLS 76
Ethernet Port Mode 76
VLAN Mode 77
Inter-AS Mode 77
QinQ Mode 78
QinAny Mode 79
Quality of Service 79
High Availability 80
Preferred Tunnel Path 80
Multisegment Pseudowire 80
Pseudowire Redundancy 82
Pseudowire Load Balancing 82
Pseudowire Grouping 82
Ethernet Wire Service 83
L2VPN and Ethernet Services Configuration Guide for Cisco ASR 9000 Series Routers, IOS XR Release 6.3.x
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