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PDF user manual for CopperEdge 150

PDF user manual for CopperEdge 150

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DSL Physical Port EncapsulationsDSL PortEncapsulationImplied DSL VCEncapsulationValidNetmodelsDescriptionNotesPPP-HDLCcmSubIface notallowedCross-ConnectPPP (RFC1662) + PPPPayload. No VCs.RFC1973 RFC1973 Cross-Connect Either PPP-transparentor PPP-translation Fwd-Mode, depending onWAN encapsulationPayload excludes HDLCaddress and controlfields. No VCs or ICP,because there is noQ.922 header.FRF.8 translation per<strong>for</strong>medwhen WANencapsulation isRFC2364-null orRFC2364-LLCDual NetmodelExcept <strong>for</strong> HDLC and PPP-HDLC, all DSL port encapsulations(including None) allow a dual-netmodel cmIface entry onVCID=22. This means that such encapsulations imply a portlevelencapsulation that supports VCs, which is ATM orRFC2364-null/ RFC2364-LLC <strong>for</strong> ATM-based DSLs, and Q.922or RFC1973 <strong>for</strong> frame-based DSLs.'6/9&(QFDSVXODWLRQVIn one special case (DSL VC VCID=22), you specify a DSL VCencapsulation in a cmIfaceTable row. Such DSL VCs supportthese encapsulations:DSL VC22 EncapsulationsDSL VCEncapsulationValidNetmodelsDescriptionNotesNone Cross-Connect Q.922 (SDSL) or AAL5 (G.lite Used <strong>for</strong> transparent <strong>for</strong>wardingand G.dmt)RFC1490 Cross-Connect 1490 IP or MAC frames Used <strong>for</strong> FRF.8 translationIP-1490 HDIA Routed IP frames$SSHQGL[$2YHUYLHZRI'DWD(QFDSVXODWLRQ

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