Linksys WIP310 SPA500 Series and WIP310 IP Phone Administration Guide - Page 134
Configuring DHCP, Static IP, and PPPoE Information, DHCP Timeout on Renewal - losing connection
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Configuring Security, Quality, and Network Features Configuring Domain and Internet Settings 5 STEP 3 Click the System tab. STEP 4 Enter fully-qualified domain names (FQDNs) for each SIP server you want the phone to respond to. Separate with semicolons. STEP 5 Click Submit All Changes. Configuring DHCP, Static IP, and PPPoE Information STEP 1 Log in to the web administration interface. STEP 2 Click Admin Login and advanced. STEP 3 Click the System tab. STEP 4 Configure the Internet Connection Type. Choose one of the following: • Dynamic Host Configuration Protocol (DHCP): Configure the phone to receive an IP address from the network DHCP. Cisco IP phones typically operate in a network where a DHCP server assigns the device its IP address. Because IP addresses are a limited resource, the DHCP server periodically renews the device lease on the IP address. If a phone loses its IP address for any reason, or if some other device on the network is assigned its IP address, the communication between the SIP proxy and the phone is either severed or degraded. Whenever an expected SIP response is not received within a programmable amount of time after the corresponding SIP command is sent, the DHCP Timeout on Renewal feature causes the device to request a renewal of its IP address. If the DHCP server returns the IP address that it originally assigned to the phone, the DHCP assignment is presumed to be operating correctly. Otherwise, the phone resets to try to fix the issue. • Static IP-Configure a static IP address for the phone. • PPPoE-Point-to-Point Protocol over Ethernet (PPPoE) relies on two widely accepted standards: PPP and Ethernet. PPPoE is a specification for connecting users on an Ethernet to the Internet through a common broadband medium, such as a single DSL line, wireless device, or cable modem. All users on an Ethernet share a common connection, so the Ethernet principles supporting multiple users in a LAN combine with the principles of PPP, which apply to serial connections. Cisco SPA 500 Series and WIP310 IP Phone Administration Guide 123