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CHAPTER
12-1
Cisco Unified Communications Manager Administration Guide
OL-18611-01
12
DHCP Server Configuration
This chapter contains the following topics:
• DHCP Server Configuration Settings, page 12-1
• Activating DHCP Monitor Service, page 12-2
• Starting DHCP Monitor Service, page 12-3
• Finding a DHCP Server, page 12-4
• Configuring a DHCP Server, page 12-5
• Deleting a DHCP Server, page 12-5
• Related Topics, page 12-6
DHCP Server Configuration Settings
Dynamic Host Configuration Protocol (DHCP) server enables Cisco Unified IP Phones, connected to
either the customer's data or voice Ethernet network, to dynamically obtain their IP addresses and
configuration information. DHCP uses Domain Name System (DNS) to resolve host names both within
and outside the cluster.
Table 12-1 describes the server configuration settings. For related procedures, see the “Related Topics”
section on page 12-6.
Table 12-1 DHCP Server Configuration Settings
Server Information Field Description
Host Server Select a host server from the drop-down list of available host servers.
Primary DNS IPv4 Address This field specifies primary DNS IPv4 address.
Secondary DNS IPv4
Address
This field specifies secondary DNS IPv4 address.
Primary TFTP Server IPv4
Address (Option 150)
You can enable the IP phones to access the TFTP server using DHCP
custom option 150. This is the method that Cisco recommends.
This field specifies the IPv4 address for primary Trivial File Transfer
Protocol (TFTP) server.
Secondary TFTP Server
IPv4 Address (Option 150)
This field specifies the IPv4 address for secondary TFTP server.