ip address

This command defines the primary IP address on the specified Layer 3 interface. Use the no form of this command to remove a configured IP address.

Syntax

ip address <ip address> <subnet mask> {alias} <alias name>

Command

Description

<ip address>

Defines a valid IPv4 address. IP addresses must be expressed in dotted-decimal notation (for example, 10.1.2.3).

<subnet mask>

Defines the subnet mask that corresponds to a range of IP addresses. Subnet masks must be expressed in dotted-decimal notation (e.g., 255.255.255.0).

alias

Defines an alias name for the IP address.

Default

NA

Command Mode

Privileged User

Note

For more information on alias names, see alias.

Example

Configures IP address 10.4.2.3/255.255.0.0 on VLAN 6.
(config-data)# interface vlan 6
(conf-if-VLAN 6)# ip address 10.4.2.3  255.255.0.0
Configures IPv4 address 10.4.4.61/255.255.0.0 with alias on interface VLAN 1:
(config-data)# interface vlan 1
(conf-if-VLAN 1)# ip address 10.4.4.61 255.255.0.0 alias ip_vlan1