Cisco IOS Wide-Area Networking Configuration Guide - Free Books

Feature Information for Layer 2 Tunnel Protocol Version 3Table 9 lists the features in this module and provides links to specific configuration information. Onlyfeatures that were introduced or modified in Cisco IOS Releases 12.2(1) or 12.0(3)S or a later releaseappear in the table.Not all commands may be available in your Cisco IOS software release. For release information about aspecific command, see the command reference documentation.Use Cisco Feature Navigator to find information about platform support and software image support.Cisco Feature Navigator enables you to determine which Cisco IOS and Catalyst OS software imagessupport a specific software release, feature set, or platform. To access Cisco Feature Navigator, go tohttp://www.cisco.com/go/cfn. An account on Cisco.com is not required.The following commands were introduced or modified for the Layer 2 Tunnel Protocol Version 3 featureand related features: atm mcpt-timers, atm pvp, authentication (L2TP), cell-packing, clear l2tun,clear l2tun counters, clear l2tun counters tunnel l2tp, clear l2tun tunnel counters, debug acircuit,debug atm cell-packing, debug condition xconnect, debug vpdn, debug xconnect, digest, digestcheck, encapsulation l2tpv3, hello, hidden, hostname (L2TP), ip dfbit set, ip local interface, ippmtu, ip protocol, ip tos (L2TP), ip ttl, l2tp cookie local, l2tp cookie remote, l2tp hello, l2tp id,l2tp-class, match fr-de, match protocol (L2TPv3), monitor l2tun counters tunnel l2tp, oam-acemulation-enable, password (L2TP), protocol (L2TP), pseudowire-class, receive-window,retransmit, sequencing, show atm cell-packing, show l2tun, show l2tun counters tunnel l2tp, showl2tun session, show l2tun tunnel, show xconnect, snmp-server enable traps l2tun pseudowirestatus, snmp-server enable traps l2tun session, snmp-server host, timeout setup, xconnect, andxconnect logging pseudowire status.NoteTable 9 lists only the Cisco IOS software release that introduced support for a given feature in a givenCisco IOS software release train. Unless noted otherwise, subsequent releases of that Cisco IOSsoftware release train also support that feature.Table 9 Feature Information for Layer 2 Tunnel Protocol Version 3ReleaseModificationCisco IOS Release 12.012.0(21)S Initial data plane support for L2TPv3 was introduced on the Cisco 7200series, Cisco 7500 series, Cisco 10720, and Cisco 12000 series platforms.12.0(23)SL2TPv3 control plane support was introduced on the Cisco 7200 series,Cisco 7500 series, Cisco 10720, and Cisco 12000 series platforms.12.0(24)SL2TPv3 was enhanced to support the Layer 2 Fragmentation feature(fragmentation of IP packets before they enter the pseudowire) on theCisco 7200 series, Cisco 7500 series, and Cisco 12000 series Internetrouters.12.0(25)SSupport was added for the ATM VP Mode Single Cell Relay over L2TPv3feature on the Cisco 7200 and Cisco 7500 series routers with ATM DeluxePA-A3 interfaces.L2TPv3 control plane support was introduced on the Cisco 12000 series1-port channelized OC-12 (DS3) line card.12.0(23)S3L2TPv3 control plane support was introduced on the Cisco 12000 series1-port channelized OC-12 (DS3) line card.112