Advanced protocol options Minimum acceptable MTU (68-65535) Preferred MRU (68-65535) Disable Compression Control Protocol (CCP) #include #include #include #include IPv4 (IPCP) negotiation algorithm (deny|allow|prefer|require) invalid value deny Do not negotiate IPv4 allow Negotiate IPv4 only if client requests prefer Ask client for IPv4 negotiation, do not fail if it rejects require Require IPv4 negotiation deny allow prefer require #include #include