Documents related to 'dial-up'
1992, RFC1331: The Point-to-Point Protocol (PPP) for the Transmission of Multi-protocol Datagrams over Point-to-Point Links
1992, RFC1332: The PPP Internet Protocol Control Protocol (IPCP)
1992, RFC1333: PPP Link Quality Monitoring
1992, RFC1334: PPP Authentication Protocols
1998, RFC2341: Cisco Layer Two Forwarding (Protocol) "L2F"