Cisco 7971G-GE Administration Guide - Page 75
Scroll to the DHCP Address Released option, Primary Trivial File Transfer Protocol TFTP
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Chapter 4 Configuring Settings on the Cisco Unified IP Phone Network Configuration Menu Table 4-3 IPv4 Configuration Menu Options (continued) Option DHCP Address Released Alternate TFTP TFTP Server 1 Description To Change Releases the IP address assigned by DHCP. 1. Unlock network configuration options. 2. Scroll to the DHCP Address Released option and press the Yes softkey to release the IP address assigned by DHCP, or press the No softkey if you do not want to release this IP address. 3. Press the Save softkey. Indicates whether the phone is using an alternative TFTP server. 1. Unlock network configuration options. 2. Scroll to the Alternate TFTP option and press the Yes softkey if the phone should use an alternative TFTP server. 3. Press the Save softkey. Primary Trivial File Transfer Protocol (TFTP) server used by the phone. If you are not using DHCP in your network and you want to change this server, you must use the TFTP Server 1 option. If you set the Alternate TFTP option to yes, you must enter a non-zero value for the TFTP Server 1 option. If neither the primary TFTP server nor the backup TFTP server is listed in the CTL file on the phone, you must unlock the CTL file before you can save changes to the TFTP Server 1 option. In this case, the phone will delete the CTL file when you save changes to the TFTP Server 1 option. A new CTL file will be downloaded from the new TFTP Server 1 address. For information about the CTL file, refer to Cisco Unified Communications Manager Security Guide. For information about unlocking the CTL file, see the "Security Configuration Menu" section on page 4-29. 1. Unlock the CTL file if necessary (for example, if you are changing the administrative domain of the phone). 2. If DHCP is enabled, set the Alternate TFTP option to Yes. 3. Scroll to the TFTP Server 1 option, press the Edit softkey, and then enter a new TFTP server IP address. 4. Press the Validate softkey, and then press the Save softkey. Note If you forgot to unlock the CTL file, you can change the TFTP Server 1 address in the CTL file, then erase the CTL file by pressing the Erase softkey from the Security Configuration menu. A new CTL file will be downloaded from the new TFTP Server 1 address. OL-15299-01 Cisco Unified IP Phone 7970G/7971G-GE Administration Guide for Cisco Unified Communications Manager 7.0 4-9