L2TP
(strcasecmp(str, "L2TP" ) == 0)? L2TP :
%token L2TP PPTP PPPOE L2TP_HOSTNAME L2TP_VENDOR_NAME L2TP_DATA_USE_SEQ
{ "l2tp", L2TP},
tunnelproto : L2TP { $$ = NPPPD_TUNNEL_L2TP; }