The service restarts, and the message, Service Successfully Restarted, displays. If you want to restart the Cisco DHCP Monitor Service, click Restart. The Activation Status displays as Activated if you followed the procedure to active the DHCP monitor service.Ĭheck the radio button corresponding to Cisco DHCP Monitor Service. The Control Center–Feature Services window displays.Ĭisco DHCP Monitor Service displays in the list under Service Name column, in Unified CM Services. In Cisco Unified Serviceability, choose Tools > Control Center - Feature Services. This section describes the procedures to stop or restart the DHCP service. The DHCP Monitor Service starts automatically after it is activated by using Cisco Unified Serviceability. The DHCP monitor service starts automatically after it is activated. The service gets activated, and the Activation Status column displays the status as Activated. If the service is already activated, the Activation Status will display as Activated. Use the following procedure to activate the service.įrom Cisco Unified Serviceability, choose Tools > Service Activation.Ĭhoose the Cisco Unified Communications Manager server from the Servers drop-down list box and click Go.Ĭhoose Cisco DHCP Monitor Service from the CM Services list and click Save. You can activate and deactivate DHCP monitor process by using the Serviceability window of Cisco Unified Communications Manager. In Windows, 85 percent of the value of the IPĪddress lease time represents the standard. For example, if the IPĪddress lease time is set to 60,000 seconds, the rebinding time typically gets Percent of the value of the IP address lease time. Typically, set this field to approximately 75 Specify the value in units of seconds andĪs a 32-bit unsigned integer. Typically set to 60,000 seconds, the renewal time gets set to 30,000 seconds. For example, if the IP address lease time is Typically, set this field to half the value Specifies the time interval from address assignment until the client The default value for the DHCP server specifies 43200 seconds (12 Specify the time in units of seconds and as a 32-bit unsigned Server uses the information in this field to specify the lease time that it is The default for the Cisco Network Registrar (CNR) DHCP Specify the time as aģ2-bit unsigned integer. Specifies the timeout in seconds for ARP cache entries. You can configure only one DNS name or aĭotted decimal IP address in this parameter. Name specifies the domain name that you should use when resolving hostname viaĮnable the IP phones to access the TFTP server by using DHCP option 66.įield to identify a TFTP server. You can use as the IPv4 address of the TFTP server or as theĭefault value to DHCP server address if the server supplies the next bootstrap Specifies the address of the server that is used in the next step of theīootstrap process. Specifies the IPv4 address for secondary TFTP server. Specifies the IPv4 address for primary Trivial File Transfer Protocol (TFTP) This is the method that Cisco recommends. Host server from the drop-down list of available host servers.Įnable the IP phones to access the TFTP server using DHCP custom option 150. If the server is in use, an error message displays.įollowing table describes the DHCP server settings. If the DHCP server is not in use, Cisco Unified Communications Manager allows you to delete the server. DHCP uses Domain Name System (DNS) to resolve host names both within and outside the cluster. In Cisco Unified Communications Manager Administration, use the System > DHCP > DHCP Server menu path to configure a DHCP server.ĭynamic 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 This chapter contains information about DHCP server configuration.įor additional information, see topics related to Dynamic Host Configuration Protocol in the Cisco Unified Communications Manager System Guide. Cisco Unified Communications Manager Assistant Configuration Wizard.Session Description Protocol Transparency.Directory Number Alias Lookup and Sync Setup.Called Party Transformation Pattern Setup.Calling Party Transformation Pattern Setup.Automated Alternate Routing Group Setup.Resource Priority Namespace Network Domain Setup.Cisco Unified Communications Manager Group Setup.Cisco Unified Communications Manager Setup.
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