%% You should probably cite rfc6918 instead of this I-D. @techreport{gp-obsolete-icmp-types-iana-00, number = {draft-gp-obsolete-icmp-types-iana-00}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-gp-obsolete-icmp-types-iana/00/}, author = {Fernando Gont and Carlos Pignataro}, title = {{Formally Deprecating Some ICMPv4 Message Types}}, pagetotal = 8, year = 2013, month = jan, day = 11, abstract = {A number of ICMPv4 message types have become obsolete in practice, but have never been formally deprecated. This document deprecates such ICMPv4 message types, thus cleaning up the corresponding IANA registry. Additionally, it updates RFC792 and RFC950, and obsoletes RFC1788 and RFC2521.}, }