%% You should probably cite rfc6431 instead of this I-D. @techreport{boucadair-pppext-portrange-option-09, number = {draft-boucadair-pppext-portrange-option-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-boucadair-pppext-portrange-option/09/}, author = {Teemu Savolainen and Tina Tsou (Ting ZOU) and Gabor Bajko and Pierre Levis and Mohamed Boucadair}, title = {{Huawei Port Range Configuration Options for PPP IP Control Protocol (IPCP)}}, pagetotal = 16, year = 2011, month = sep, day = 14, abstract = {This document defines two Huawei IPCP (IP Control Protocol) options used to convey a set of ports. These options can be used in the context of port range-based solutions or NAT-based solutions for port delegation and forwarding purposes. This document is not an Internet Standards Track specification; it is published for informational purposes.}, }