@misc{rfc4591,
    series =    {Request for Comments},
    number =    4591,
    howpublished =  {RFC 4591},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC4591},
    url =       {https://www.rfc-editor.org/info/rfc4591},
    author =    {George Wilkie and Jed Lau and Mark Townsley and Stewart Bryant and Skip Booth},
    title =     {{Frame Relay over Layer 2 Tunneling Protocol Version 3 (L2TPv3)}},
    pagetotal = 14,
    year =      2006,
    month =     aug,
    abstract =  {The Layer 2 Tunneling Protocol, Version 3, (L2TPv3) defines a protocol for tunneling a variety of data link protocols over IP networks. This document describes the specifics of how to tunnel Frame Relay over L2TPv3, including frame encapsulation, virtual-circuit creation and deletion, and status change notification. {[}STANDARDS-TRACK{]}},
}