Small Office Remote Access Switch 7Configuring Resources and Lines 69Overview 69Resources 69Configuring Resources 69Resource Configuration Elements 71Resource Background Information 71Lines 72Configuring Lines 72Configuring Changes for a COMMPORT Resource 73Line Configuration Elements 74Line Background Information 77Subaddresses 78Configuring a Subaddress 78Subaddress Configuration Elements 78Subaddresses Background Information 78POTS Option 78Configuring the POTS Option 78POTS Configuration Elements 80POTS Background Information 80Configuring Basic Bridging 81Overview 81MAC Layer Bridging Option 81Enabling/Disabling Bridging 81MAC Layer Bridging Configuration Elements 81MAC Layer Bridging Background Information 82Configuring Basic IP Routing 83Overview 83Internet Protocol (IP) Option 83Enabling IP 83IP Option Configuration Elements 84IP Background Information 84IP Operating Mode 84Configuring the IP Operating Mode 84IP Operating Mode Configuration Elements 85IP Operating Mode Background Information 85IP Network Interfaces 86Configuring Interfaces 86Network Interface Configuration Elements 88IP Network Interface Background Information 93IP RIP and the IP Network Interfaces 97IP RIP over Dedicated Connections 101IP Host Operating Mode and the IP Network Interfaces 103Using Multiple IP Addresses 103Static Routes 105Configuring Static Routes 105Static Route Configuration Elements 107Static Route Background Information 109Default Routes 110Configuring Default Routes 110Default Route Configuration Elements 110