Secure Mobile Access 12.4 Administration Guide

Configuring Network Interfaces

To configure the network interfaces, specify the IP address, subnet mask, and interface speed. You can run the appliance using both the internal and the external interfaces (a dual-homed configuration), or optionally just the internal interface (a single-homed configuration). For more information on the interface configuration options, see Network Architecture.

To configure network interfaces

  1. In the AMC, navigate to System Configuration > Network Settings.

  2. In the Basic section, click Edit.

    The Basic Network Settings page displays.

  3. In the Network interfaces area, configure the settings for the internal interface connected to your internal (or private) network.

    1. Click Internal.

      The display becomes editable.

    2. Type an Address and Netmask for the interface.

    3. Select the appropriate interface Speed from the list (the default is Auto).

    4. Click OK.

  4. Configure the settings for the interface connected to the external network (or Internet):

    1. Click External.

      The display becomes editable.

    2. Type the Address and Netmask settings used to access the SMA appliance from the Internet.

      The external IPv4 or IPv6 address must be publicly accessible.

    3. Select the appropriate interface Speed from the list (the default is Auto).

    4. Select the Enabled checkbox.

    5. Click OK.

  5. Click Save.

  6. Click Pending changes.

  7. Apply the changes. (For more information, see Applying Configuration Changes.)

If you configure the appliance to use both the internal and external interfaces, verify your routing settings to make sure that you have a network route to the internal interface. If the appliance is on a different network than the computer you’re using to access AMC, you must set up routing (configure an internal default network gateway that will pass traffic to an internal router, or define a static route to the network on which the appliance is installed) to maintain access to AMC after you apply your network configuration changes. For more information, see Configuring Routing.

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