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Create an external connection
If your Smoothwall system is to provide access to the Internet, you must configure the connection details as follows:
Note: The following instructions are for external connections made through a NIC (Network Interface Card) interface. You can
also configure an external connection to use a PPPoE connection. For a detailed description of how to configure a PPPoE
connection, refer to the Smoothwall product help https://help.smoothwall.net.
1. Browse to Network > Configuration > Interfaces.
2. Select the relevant interface, and click Edit.
3. Complete the following:
l Name — Enter a meaningful name for this connection.
l Use as — Select External.
l Spoof MAC — If MAC address spoofing is required, enter the new MAC address here.
l MTU — If required, you can set the Maximum Transmission Unit (MTU) size, in bytes, for this connection.
l Comment — Enter an optional comment for this external interface.
If any comments are added, a Show comments button is displayed allowing interface comments to be reviewed.
4. Click Save changes.
You must assign the IP address, and gateway if provided, as advised by your ISP. This can either be a static IP address or
one assigned dynamically.
5. Click the IP addresses link for the external interface to display the Attached addresses table.
6. Click Add new IP address.
7. Complete the following:
l Status — New IP addresses are enabled by default.
l Type — Choose whether this IP address is assigned a static IP address (Static IPv4), or an IP address assigned via
DHCP (DHCP IPv4).
Depending the type of IP address, additional parameters may require configuration:
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