Start with 1661 -> PPP 1331 The Point-to-Point Protocol (PPP) for the Transmission of Multi-protocol Datagrams over Point-to-Point Links 1332 IPCP (N/w Control Protocol) 1333 PPP Link Quality Monitoring 1334 PPP Authentication Protocols. 1994 PPP Challenge Handshake Authentication Protocol (CHAP) Hope this helps. Thanks, Srivatsan -----Original Message----- From: Bill Cunningham [mailto:billcu@citynet.net] Sent: Thu 6/27/2002 1:10 AM To: ietf@ietf.org Cc: Subject: PPP RFCs Are there RFC's or drafts on the various LCP's that PPP uses or the Network Control Protocol of PPP?