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My trial testing of Kerio Control Software Appliance v8.6.2b3847 includes establishing multiple concurrent VPN connections to different 3rd party VPN servers. Kerio's instructions for establishing L2TP VPN connections to publicly addressed servers work fine and I'm able to create 3 concurrent VPN connections: VPN1, VPN2 and VPN3. Initially, they were all set to automatically connect and never hang up.

Problem #1

I noticed that after a reboot of the software appliance, two of the VPN interfaces had the same 10.0.0/8 IP address. I could not hang up either connection because they were both set to remain connected all the time. Attempts to apply changes anywhere on the Kerio Admin Interface tab would result with a modal pop-up:
"The same IP address is assigned to several interfaces."
Deadlock. Only after many reboots, after which the 3 VPNs were assigned 3 distinct addresses, was I able to change the VPN interfaces to "Hang up if idle for (I chose 2880) minutes". With that setting, I was able to hang up a duplicate addressed adapter and re-dial. However, even after a re-dial I can still get a duplicate address, so it sometimes takes a few tries.

Problem #2

I have 2 broadband Internet connections provided by ISP1 and ISP2. I'd like to be able to specify somehow
that particular VPN connections use particular Internet interfaces. For example, I would like VPN1 and VPN3 to connect through ISP2 and VPN2 to connect through ISP1. If that's not feasible using traffic rules or routing (I didn't see a way), an alternative is to be able to specify that all VPN connections use a particular ISP.
Right now, the connections all use the ISP associated with the appliance's default gateway. Is there a method to specify which Internet gateway is used for a particular (or all) L2PT VPN connections?
ksnyder (KERIO)

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Ken Snyder
Director, Sales Engineering | Kerio
Stay Connected Anytime, Anywhere. Discover Kerio Cloud!

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Yes, there is a L2TP service that I can (and now do) use to implement policy routing. Don't know how I missed that. Thanks.

Testing it out was a little tedious with duplicate IP addresses (install the rule, hang up and re-dial multiple times to get unique addresses on each adapter), but I think it's working.
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