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Barracuda SSL VPN

How do I setup and configure Dual Network Connectors (NIC) on my Barracuda SSL VPN model 680 or 880?

  • Type: Knowledgebase
  • Date changed: 3 years ago

Solution #00005695



This solution applies to the Barracuda SSL VPN, firmware version 1.7.x and above.


Step 1:

Setup the secondary Ethernet interface?s TCP/IP attributes. Once changes are saved, the unit will go to an updating state.

If you experience time-out issues, hit the back button in your browser and then refresh / hit F5.

Step 2:

Log in to the HTTPS-side interface as ssladmin.

Navigate to Resources; subcategory Configuration. Scroll down to the section entitled ?Network Connector?:

In this section, we see that the unit has the default setting of port 0. This means only the primary Ethernet interface has been assigned a network connector port; port 0 is 443.

When adding in the secondary interface you must choose a secondary port. Something above 1024 is advisable; normally the network connector uses 1194. Keep in mind this port?s traffic will need to be routed to the secondary Ethernet adapters? address. Simply add in the secondary port, click add, and then save changes.

BE AWARE this will require a service restart; and will kick off all users. You will be warned beforehand.

Step 3:

Now it?s time to setup the secondary network connector instance that runs/listens on the 2nd Ethernet adapter.

Navigate to the Resources > Network Connector section and you should see this:

Click on ?Configure Network 2? and you will see the same configuration options that you normally see when setting up network connector.  Once done inputting your values you will be prompted for a service restart, which again will kick off any connector users.

Additonal Notes:

You will need to route the traffic from the internet and back out on the port you chose in step #2. Other than that it works in the exact same fashion as a single server adapter for the network connector.

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