28 Configuration Guide5 Enable or disable IPMI over LAN by checking the or unchecking thecheckbox next to the server beneath the Enable IPMI over LAN heading.6 Enable or disable DHCP for the iDRAC by checking or unchecking thecheckbox next to the server under the DHCP Enabled heading.7 If DHCP is disabled, enter the static IP address, netmask, and defaultgateway for the iDRAC.8 Click Apply at the bottom of the page.Setting the First Boot Device for ServersThe First Boot Device page allows you to specify the boot device for eachblade. You can set the default boot device and you can also set a one-timeboot device so that you can boot a special image to perform tasks such asrunning diagnostics or reinstalling an operating system.To set the first boot device for some or all servers in the chassis:1 Log in to the CMC Web-based interface.2 Click Servers in the system tree and then click Setup → Deploy First BootDevice. A list of servers is displayed, one per row.3 Select the boot device you want to use for each server from the list box.4 If you want the server to boot from the selected device every time it boots,unselect the Boot Once checkbox for the server.If you want the server to boot from the selected device only on the nextboot cycle, select the Boot Once checkbox for the server.5 Click Apply.Configuring and Managing PowerYou can use the Web-based and RACADM interfaces to manage andconfigure power controls on the CMC, as outlined in the following sections.For detailed information on the various power management options, see"Power Management" in the CMC User’s Guide.Configuring Power Budget and RedundancyThe CMC’s power management service optimizes power consumption for theentire chassis (the chassis, servers, I/O modules, iKVM, CMC, and PSUs) andre-allocates power to different modules based on the demand.