Alcatel-Lucent OmniSwitch AOS Release 7 Manual page 264

You can configure an IP address for the GRE tunnel interface using the ip interface command as shown:
-> ip interface "gre" address 24.24.24.1 mask 255.255.255.0
To configure an IPIP tunnel, use the ip interface tunnel command as shown:
-> ip interface "ipip"
ipip
In this example, the IPIP tunnel named "ipip" is created and assigned a source IP address of 23.23.23.1
and a destination IP address of 155.2.2.2.
You can configure an IP address for the IPIP tunnel interface using the ip interface command as shown:
-> ip interface "ipip" address 24.24.24.1 mask 255.255.255.0
Note. An interface can be configured only as a VLAN or a Tunnel interface.
Note. To display information about the configured tunnels on the switch, use the show ip interface.
page 1136
tunnel
source 23.23.23.1 destination 155.2.2.2 protocol
OmniSwitch AOS Release 7 Network Configuration Guide March 2011