Network interface configuration

This window displays the configuration for the network interface(s) installed in the filer. This window also allows you to modify the configuration of the interfaces.

The window provides three lines of information for each interface. The first line displays the following information:

• Interface name: The name the filer automatically assigns to the interfaces installed in the filer. The filer uses the following naming convention:
  • Ethernet interface names start with the letter e followed by the slot number (for example, e0) and the port number if the network card has more than one port (for example, a quad-port Ethernet card has four interfaces named e1a, e1b, e1c, and e1d).
  • FDDI interface names start with the letter f followed by the slot number (for example, f1 and f2).
  • ATM interface names start with the letter a followed by the slot number (for example, a5).
  • The loopback address is shown as lo.
  • The virtual host name is shown as vh.
• Flags: The state of the interface. Operational interfaces are referenced by the UP and RUNNING flags.
• MTU: The maximum transmission unit (MTU). By default, the MTU is 4352 on an FDDI interface 1500 on an Ethernet interface, and 9188 on an ATM interface.

The second line displays the following information:

• MAC Address: The 12-digit hexadecimal physical address of the interface.
• Media: The physical media connecting the filer to the network.

The third line displays three IP addresses in the following order:

• the IP address of the interface.
• the subnet mask for the interface
• the broadcast address for the interface

The Network Interface Configuration window also provides the following buttons that allow you to modify the configuration of the interfaces:

Reload. Click this button to load the current network interface configuration information from the filer.

Modify. Click the appropriate interface in the display box and click Modify to change the configuration of the selected interface.

Add Alias. Click the appropriate interface in the display box and click Add Alias to define an alias for the selected interface. Aliases are additional network addresses for the interface. Aliases are sometimes used to accommodate the changing of network numbers; the alias allows traffic to be received by the old interface. Aliases are required when you create IP virtual host addresses. If you select a vh (virtual host) interface, the IP address for that interface must be an alias. Use the Add Alias button to specify the IP address for a virtual host interface.

Delete Alias. Click the appropriate alias in the display box and click Delete Alias to delete an alias for the selected interface.