An engineer deploys a new Cisco UCM server as a TFTP-only node to an existing Cisco UCM cluster. Where must the IP address of the TFTP server be configured to ensure that IP phones use the new TFTP…

Question

Options

• Ain the Option 066 field for DHCP
• Bin the Cisco UCM device pools
• Cin the Option 150 field for DHCP
• Din the Cisco UCM device configuration

• A
  7% (2)
• C
  89% (25)
• D
  4% (1)

Explanation

The Option 150 field in DHCP is used to provide the IP address(es) of the TFTP server(s) to Cisco IP phones. This ensures that phones can download their configuration files and firmware updates from the designated TFTP server. When a new TFTP-only node is added to a Cisco UCM cluster, its IP address must be added to the DHCP server's Option 150 configuration. This ensures that IP phones receive the new TFTP server's IP address during the DHCP lease process. If multiple TFTP servers are configured, Option 150 can provide a list of IP addresses, and the phones will attempt to use them in the order they are provided. The TFTP server is critical for provisioning and managing IP phones, as it delivers configuration files, firmware, and other necessary resources.

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