Command Reference Guide ATM Sub-Interfa c e Config Command Set
61200510L1-35E Copyright © 2005 ADTRAN 751
ip address <address> <mask> secondary
Use the ip address command to define an IP address on the specified interface. Use the optional
secondary keyword to define a secondary IP address. Use the no form of this command to remove a
configured IP address.
Syntax Description
<address> Defines the IP address for the interface in dotted decimal notation (for example:
192.22.73.101).
<mask> Specifies the subnet mask that corresponds to the listed IP address.
secondary
Optional. Defines a secondary IP address for the specified interface.
Default Values
By default, there are no assigned IP addresses.
Applicable Platforms
This command applies to the NetVanta 300, 1000R, 3000, and 4000 Series units.
Command History
Release 1.1 Command was introduced.
Release 8.1 ATM sub-interface was added.
Functional Notes
Use secondary IP addresses to allow dual subnets on a single interface (when you need more IP
addresses than the pri mary subne t can provid e). When using se condary IP addresses, avoid routing loop s
by verifying that all de vice s on the net w ork seg m ent are configured with secondary IP addresses on the
secondary subnet.
Usage Examples
The following example configures a secondary IP address of 192.22.72.101/30:
(config)#interface atm 1.1
(config-atm 1.1)#ip address 192.22.72.101 2 55.255.255.252 secondary