Binary package “xl2tpd” in ubuntu oracular
layer 2 tunneling protocol implementation
xl2tpd is an open source implementation of the L2TP tunneling
protocol (RFC2661). xl2tpd is forked from l2tpd and is maintained by
Xelerance Corporation.
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The main purpose of this protocol is to tunnel PPP frames through IP
networks. It implements both LAC and LNS role in the L2TP networking
architecture.