Netgear M5300-28G-POE+ (GSM7228PSv1h2) - 12-Port Managed Gigabit Switch Softwarehandbuch

If you do not specify a tunnel ID, the command shows the following information for each 
configured tunnel.

If you specify a tunnel ID, the command shows the following information for the tunnel.

The commands in this section describe how to create, delete, and manage loopback 
interfaces. A loopback interface is always expected to be up. This interface can provide the 
source address for sent packets and can receive both local and remote packets. The 
loopback interface is typically used by routing protocols. 

To assign an IP address to the loopback interface, see 

668. To assign an 

Use this command to enter the Interface Config mode for a loopback interface. The range of 
the loopback ID is 0 to 7.

Tunnel ID

The tunnel identification number.

Interface

The name of the tunnel interface.

Tunnel Mode

The tunnel mode.

Source Address

The source transport address of the tunnel.

Destination 

Address

The destination transport address of the tunnel.

Interface Link 
Status

Shows whether the link is up or down.

MTU Size

The maximum transmission unit for packets on the interface.

IPv6 

Address/Length

If you enable IPv6 on the interface and assign an address, the IPv6 address and prefix display.

Format

interface loopback loopback-id

Mode

Global Config