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Sonicwall High Availability with WAN Failover.

I need to find out if it is possible to terminate a site-to-site VPN (S2S) between the main office and another corporate office that would leverage multiple internet connections.

We currently have 2 connections: Charter cable 100x7 and Paetec/Windstream T1. The S2S terminates on the Charter interface of our Sonicwall NSA2400 (more precisely, on both of the paired NSA2400 devices that operate in stateful HA).

Basically, all traffic is forced out the site-to-site VPN , so when Charter interface goes down—the S2S does also. I want to failover (at least for certain things, if necessary) to a redundant connection: At present, the T1.

I can find all kinds of articles on high availability setups for SonicWALLs, but no information on HA + failover to a 2nd ISP, WTIH site-to-site VPN, or other services.

Tony Giangreco

I've used the Sonicwall TZ210W with two wan connections. One was setup as a failover. That worked great. I've never tried it using a VPN.

I suggest using their VPN client. I'm not sure if it would work with anyone else's.

GPCDIADMIN

ASKER

TG-TIS:

Please note:
> High Availability means 2 SonicWALLs. And we have 2 ISPs, Charter and Windstream.

> Site-to-site VPN (S2S) between the main office and another corporate office. Not VPN clients.

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GPCDIADMIN

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GPCDIADMIN

ASKER

Found a SonicWALL pdf that covers the scenario.

Melanie Gajic

@GPCDIADMIN, would you mind pointing me to that PDF please. thanks in advance