%% You should probably cite rfc7886 instead of this I-D.
@techreport{ietf-l2tpext-sbfd-discriminator-02,
    number =    {draft-ietf-l2tpext-sbfd-discriminator-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-l2tpext-sbfd-discriminator/02/},
    author =    {Vengada Prasad Govindan and Carlos Pignataro},
    title =     {{Advertising S-BFD Discriminators in L2TPv3}},
    pagetotal = 6,
    year =      2016,
    month =     jan,
    day =       3,
    abstract =  {This document defines a new AVP that allows L2TP Control Connection Endpoints (LCCEs) to advertise one or more Seamless BFD (S-BFD) Discriminator values using L2TPv3.},
}