%% You should probably cite rfc1570 instead of this I-D. @techreport{ietf-pppext-lcpext-04, number = {draft-ietf-pppext-lcpext-04}, 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-pppext-lcpext/04/}, author = {William A. Simpson}, title = {{PPP LCP Extensions}}, pagetotal = 19, year = 1993, month = sep, day = 7, abstract = {The Point-to-Point Protocol (PPP) provides a standard method for transporting multi-protocol datagrams over point-to-point links. PPP defines an extensible Link Control Protocol (LCP) for establishing, configuring, and testing the data-link connection. This document defines several additional LCP features which have been suggested over the past few years. {[}STANDARDS-TRACK{]}}, }