%% You should probably cite rfc7602 instead of this I-D. @techreport{ietf-isis-extended-sequence-no-tlv-06, number = {draft-ietf-isis-extended-sequence-no-tlv-06}, 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-isis-extended-sequence-no-tlv/06/}, author = {Uma Chunduri and Wenhu Lu and Albert Tian and Naiming Shen}, title = {{IS-IS Extended Sequence Number TLV}}, pagetotal = 12, year = 2015, month = apr, day = 22, abstract = {This document defines the Extended Sequence Number TLV to protect Intermediate System to Intermediate System (IS-IS) PDUs from replay attacks.}, }