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OMMAND
L
INE
I
NTERFACE
4-250
Default Setting
DHCP
Command Mode
Interface Configuration (VLAN)
Command Usage
• You must assign an IP address to this device to gain management
access over the network. You can manually configure a specific IP
address, or direct the device to obtain an address from a BOOTP or
DHCP server. Valid IP addresses consist of four numbers, 0 to 255,
separated by periods. Anything outside this format will not be
accepted by the configuration program.
• If you select the bootp or dhcp option, IP is enabled but will not
function until a BOOTP or DHCP reply has been received. Requests
will be broadcast periodically by this device in an effort to learn its IP
address. (BOOTP and DHCP values can include the IP address,
default gateway, and subnet mask).
• You can start broadcasting BOOTP or DHCP requests by entering an
ip dhcp restart command, or by rebooting the switch.
Note: Only one VLAN interface can be assigned an IP address (the
default is VLAN 1). This defines the management VLAN, the only
VLAN through which you can gain management access to the
switch. If you assign an IP address to any other VLAN, the new IP
address overrides the original IP address and this becomes the new
management VLAN.
Example
In the following example, the device is assigned an address in VLAN 1.
Related Commands
ip dhcp restart (4-251)
Console(config)#interface vlan 1
Console(config-if)#ip address 192.168.1.5 255.255.255.0
Console(config-if)#