%% You should probably cite rfc7956 instead of this I-D.
@techreport{ietf-trill-irb-09,
    number =    {draft-ietf-trill-irb-09},
    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-trill-irb/09/},
    author =    {Hao Weiguo and Yizhou Li and Andrew Qu and Muhammad Durrani and Ponkarthick Sivamurugan and Liang Xia},
    title =     {{TRILL Distributed Layer 3 Gateway}},
    pagetotal = 24,
    year =      2015,
    month =     dec,
    day =       9,
    abstract =  {The base TRILL protocol provides optimal pair-wise data frame forwarding for layer 2 intra-subnet traffic but not for layer 3 inter-subnet traffic. A centralized gateway solution is typically used for layer 3 inter-subnet traffic forwarding but has the following issues:},
}