Implementing Layer 3 VPNs over L2TPv3 Tunnels

Command Reference

Command	Description
Router(config)#l2tp-class [l2tp-class name]	Configures an L2TP class to define the L2TP template
Router(config-l2tp-class)# authentication	Configures authentication for the L2TP template
Router(config-l2tp-class)# password [encryption-type] password	Configures a password for L2TP template authentication
Router(config-l2tp-class)# hello interval	Configures the interval between L2TPv3 hello packets
Router(config)# pseudowire-class [name]	Defines/configures the pseudowire class
Router(config-pw)# encapsulation l2tpv3	Configures the encapsulation type of the pseudowire to be L2TPv3
Router(config-pw)# protocol {l2tpv3 | none} [l2tp-class name]	Configures the protocol for L2TPv3 signaling
Router(config-pw)# ip local interface interface type number	Defines the source interface for the tunnel
Router(config-pw)# ip protocol l2tpv3	Defines the IP protocol for tunneling packets
Router(config-if)# xconnect peer-ip-address vcid encapsulation {l2tpv3 [manual] | mpls} pw-class pw-class-name	Configures the attachment circuit parameters
Router(config-if-xconn)# l2tp id local-session-id remote-session-id	Configures the local and remote session IDs for the tunnel
Router(config-l2tp-class)# l2tp cookie local value	Configures the local L2TP cookie values
Router(config-l2tp-class)# l2tp cookie remote value	Configures the remote L2TP cookie value
Router(config-l2tp-class)# l2tp hello l2tp-class name	Configures the L2TP hello parameters
Router(config)# hw-module slot slot-number mode server	Configures a specific card on a GSR 12000 series router as a tunnel server card
Router(config-if)# tunnel mode l3vpn l2tpv3 multipoint	Configures the tunnel mode to dynamic multipoint L2TPv3