Manual

Layer 2 Tunnel Protocol Version 3

How to Configure Layer 2 Tunnel Protocol Version 3

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

The ATM Single Cell Relay VC mode feature can be used to carry any type of AAL traffic over the

pseudowire. It will not distinguish OAM cells from User data cells. In this mode, PM and Security OAM

cells are also transported over the pseudowire.

Perform this task to enable the ATM Single Cell Relay VC Mode over L2TPv3 feature.

SUMMARY STEPS

1. enable

2. configure terminal

3. interface type slot/port

4. pvc [name] vpi/vci l2transport

5. encapsulation aal0

6. xconnect peer-ip-address vcid pw-class pw-class-name

DETAILED STEPS

Command or Action Purpose

Step 1

enable

Example:

Router> enable

Enables privileged EXEC mode.

• Enter your password if prompted.

Step 2

configure terminal

Example:

Router# configure terminal

Enters global configuration mode.

Step 3

interface type slot/port

Example:

Router(config)# interface ATM

4/1

Specifies the interface by type, slot, and port number, and enters interface

configuration mode.

Step 4

pvc [name] vpi/vci l2transport

Example:

Router(config-if)# pvc 5/500

l2transport

Creates or assigns a name to an ATM PVC, specifies the encapsulation type on

an ATM PVC, and enters ATM VC configuration mode.

• The l2transport keyword indicates that the PVC is for Layer 2 switched

connections. Once you enter this command, the router enters ATM VC

configuration mode.