Cisco 3825 Software Configuration Guide - Page 151
encapsulation l2tpv3
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Appendix A Cisco 3825 Mobile Wireless Edge Router RAN-O Command Reference encapsulation l2tpv3 encapsulation l2tpv3 To specify that Layer 2 Tunnel Protocol version 3 (L2TPv3) is used as the data encapsulation method for tunneling IP traffic over the PW, use the encapsulation l2tpv3 command in pseudowire-class configuration mode. To remove L2TPv3 as the encapsulation method, use the no pseudowire-class command (see the Usage Guidelines for more information). encapsulation l2tpv3 no pseudowire-class Syntax Description This command has no arguments or keywords. Defaults No encapsulation method is specified. Command Modes Pseudowire-class configuration Command History Release 12.0(23)S 12.2(25)S 12.2(27)SBC 12.3(2)T 12.4(12)MR2 Modification This command was introduced. This command was integrated into Cisco IOS Release 12.2(25)S. Support for this command was integrated into Cisco IOS Release 12.2(27)SBC. This command was integrated into Cisco IOS Release 12.3(2)T. This command was integrated into Cisco IOS Release 12.4(12)MR2. Usage Guidelines This command must be configured if the pseudowire-class is referenced from an xconnect configured to forward L2TPv3 traffic. Once you specify the encapsulation l2tpv3 command, you cannot remove it using the no encapsulation l2tpv3 command. Nor can you change the command's setting using the encapsulation mpls command. Those methods result in the following error message: Encapsulation changes are not allowed on an existing pw-class. To remove the l2tpv3 command, you must delete the PW with the no pseudowire-class command. To change the type of encapsulation, remove the PW with the no pseudowire-class command to re-establish the PW and to specify the new encapsulation type. Examples The following example illustrates the use of the encapsulation l2tpv3 command: Router# config t Router(config)# pseudowire-class l2tp Router(config-pw-class)# encapsulation l2tpv3 Router(config-pw-class)# exit Router(config)# exit OL-15667-03 Cisco 3825 Mobile Wireless Edge Router Software Configuration Guide A-19