This document is an installation and troubleshooting guide for a wireless broadband router with 2 phone ports, manufactured by Cisco Systems. The router supports VoIP and provides instructions for using the router and explanations of technical terms.
The guide introduces the Linksys WRT54GP2 Wireless‑G Broadband Router, explains basic networking concepts, and walks you through planning a wireless network, identifying router hardware, and connecting the router to a modem, PCs, and telephone devices. It also covers the router’s front and back panels and provides a quick start overview.
Later chapters detail how to access the router’s web‑based utility, configure basic and advanced settings (including DDNS, MAC address cloning, routing, wireless security, voice, and QoS), and troubleshoot common problems. Appendices include wireless security information, MAC/IP address lookup, specifications, warranty, regulatory details, and contact information.
WPA (Wi‑Fi Protected Access) is a wireless security protocol that uses TKIP (Temporal Key Integrity Protocol) encryption.
NAT (Network Address Translation) is a technology that translates IP addresses of a local area network to a different IP address for the Internet.