@misc{rfc4957,
    series =    {Request for Comments},
    number =    4957,
    howpublished =  {RFC 4957},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC4957},
    url =       {https://www.rfc-editor.org/info/rfc4957},
    author =    {Suresh Krishnan and Siva Veerepalli and Eric Njedjou and Alper E. Yegin and Nicolas Montavont},
    title =     {{Link-Layer Event Notifications for Detecting Network Attachments}},
    pagetotal = 18,
    year =      2007,
    month =     aug,
    abstract =  {Certain network access technologies are capable of providing various types of link-layer status information to IP. Link-layer event notifications can help IP expeditiously detect configuration changes. This document provides a non-exhaustive catalogue of information available from well-known access technologies. This memo provides information for the Internet community.},
}