
Chapter 6 Network
144 X Family LSM User’s Guide V 2.5.1
After you have configured the basic options for the internal IP interface, you can manage the security
zones associated with the interface, or configure routing in the Advanced Options section. For details,
see the following topics:
• “Manage Security Zones for IP Interfaces” on page 149
• “Configuring Routing for IP Interfaces” on page 150
External Interface: Static IP Address Configuration
When configuring an external IP interface, you select Static IP Address if are using a public static IP
address, or if your ISP has allocated you a public static IP address.
Configure a Static IP Address on the External IP interface
STEP 1
Go to Network > Configuration > IP Interfaces.
STEP 2
On the IP Interfaces page, click the Create IP Interface button or select the Edit icon for the
interface that you want to edit.
STEP 3
On the Create/Edit IP Interface page, select the External interface.
STEP 4
In the External Interface Configuration table, in the External Interface Type drop-down
list field, select Static.
STEP 5
Type the following information in the appropriate fields:
• IP Address — the public static IP address that you are using or that has been allocated to
you by your ISP for this connection.
• Subnet Mask — the subnet mask allocated by your ISP for this connection.
STEP 6
Click Save.
Click Cancel to return to the IP Interfaces page without saving the changes.
Note After configuring the External Interface as a static IP address, you need to
configure the default gateway for the device from the Default Gateway page
(Network > Configuration > Default Gateway). For details, see “
Default
Gateway” on page 156.
Note You can only configure one external interface on the device.
Note If you have been allocated a range of IP addresses, enter one of the
addresses in the range.
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