Manual

Layer 2 Tunnel Protocol Version 3

Contents

Cisco IOS Releases 12.0(29)S and 12.2(25)S

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Contents

• Prerequisites for Layer 2 Tunnel Protocol Version 3, page 3

• Restrictions for Layer 2 Tunnel Protocol Version 3, page 3

• Information About Layer 2 Tunnel Protocol Version 3, page 10

• How to Configure Layer 2 Tunnel Protocol Version 3, page 25

• Configuration Examples for Layer 2 Tunnel Protocol Version 3, page 57

• Additional References, page 69

• Command Reference, page 71

• Glossary, page 147

12.0(28)S Support was added for the following features on the Cisco 7200 and

Cisco 7500 series routers:

• ATM AAL5 OAM Emulation over L2TPv3

• ATM Single Cell Relay VC Mode over L2TPv3

• L2TPv3 support for PA-A3-8T1IMA PA and PA-A3-8E1IMA Port

Adapters

• L2TPv3 Distributed Sequencing

12.0(29)S Support was added for the following features:

• ATM Port Mode Cell Relay over L2TPv3

• ATM Cell Packing over L2TPv3

• L2TPv3 Control Message Hashing

• L2TPv3 Control Message Rate Limiting

• Protocol Demultiplexing for L2TPv3

12.2(25)S Support for the following features was added to Cisco IOS

Release 12.2(25)S:

• L2TPv3: Layer 2 Tunneling Protocol

• L2TPv3 Layer 2 fragmentation

• ATM AAL5 OAM Emulation over L2TPv3

• ATM VP Mode Single Cell Relay over L2TPv3

• ATM Single Cell Relay VC Mode over L2TPv3

• L2TPv3 Support for PA-A3-8T1IMA PA and PA-A3-8E1IMA Port

Adapters

• L2TPv3 Distributed Sequencing