@misc{rfc2809,
    series =    {Request for Comments},
    number =    2809,
    howpublished =  {RFC 2809},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC2809},
    url =       {https://www.rfc-editor.org/info/rfc2809},
    author =    {Glen Zorn and Dr. Bernard D. Aboba},
    title =     {{Implementation of L2TP Compulsory Tunneling via RADIUS}},
    pagetotal = 23,
    year =      2000,
    month =     apr,
    day =       1,
    abstract =  {This document discusses implementation issues arising in the provisioning of compulsory tunneling in dial-up networks using the L2TP (Layer Two Tunneling Protocol) protocol. This memo provides information for the Internet community.},
}