281Syntaxinterface eth-channel interface-numberViewsSystem viewPredefined user rolesnetwork-adminParametersinterface-number: Specifies an Eth-channel interface by its number.Examples# Enter Eth-channel 2/4/0:0 interface view. system-view[Sysname] interface eth-channel 2/4/0:0[Sysname-Eth-channel2/4/0:0]ip address cellular-allocUse ip address cellular-alloc to enable an Eth-channel interface to obtain an IP address by usingthe modem-manufacturer's proprietary protocol.Use undo ip address cellular-alloc to restore the default.Syntaxip address cellular-allocundo ip address cellular-allocDefaultAn Eth-channel interface does not obtain an I P address by using the modem-manufacturer'sproprietary protocol.ViewsEth-channel interface viewPredefined user rolesnetwork-adminUsage guidelinesTo enable an interface to obtain an IP address from the modem by using the modem-manufacturer'sproprietary protocol, use the ip address cellular-alloc command.To enable an interface to obtain an IP address from the modem by using DHCP, use the ip addressdhcp-alloc command.The IP address of the modem is automatically allocated by the service provider.Examples# Channelize Cellular 2/4/0 into an Eth-channel interface. Enable the Eth- channel interface to obtainan IP address by using the modem-manufacturer's proprietary protocol. system-view[Sysname] controller cellular 2/4/0[Sysname-Cellular2/4/0] eth-channel 0[Sysname-Cellular2/4/0] quit[Sysname] interface eth-channel 2/4/0:0