Alcatel-Lucent ls 6248 User Guide
Command Line Interface
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Default Setting
This command has no default configuration.
Command Mode
Interface Configuration (Ethernet, VLAN, port-channel) mode
Command Usage
The
ip address dhcp
command allows any interface to dynamically learn its IP
address by using the DHCP protocol.
Some DHCP servers require that the DHCPDISCOVER message have a
specific host name. The
specific host name. The
ip address dhcp
hostname
host-name command is
most typically used when the host name is provided by the system
administrator.
administrator.
If the device is configured to obtain its IP address from a DHCP server, it
sends a DHCPDISCOVER message to provide information about itself to the
DHCP server on the network.
sends a DHCPDISCOVER message to provide information about itself to the
DHCP server on the network.
If the
ip address dhcp
command is used with or without the optional keyword,
the DHCP option 12 field (host name option) is included in the DISCOVER
message. By default, the specified DHCP host name is the globally configured
host name of the device. However, the
message. By default, the specified DHCP host name is the globally configured
host name of the device. However, the
ip address dhcp hostname
host-name
command can be used to place a different host name in the DHCP option 12
field.
field.
The
no ip address dhcp
command deconfigures any IP address that was
acquired, thus sending a DHCPRELEASE message.
Example
The following example acquires an IP address for Ethernet port 1/e16 from DHCP.
Related Commands
ip default-gateway
The
ip default-gateway
Global Configuration mode command defines a default
gateway ( device). To return to the default configuration, use the no form of this
command.
command.
Syntax
ip default-gateway
ip-address
no ip default-gateway
Console(config)#
interface ethernet
1/e16
Console(config-if)#
ip address dhcp