I inherited a small business network with a VPN between two locations. One location accesses a server at the main location over the VPN. The VPN is handled by two SonicWall TZ 170 firewall / routers, one at each location.
We are having periodic connection issues, not just the VPN but the internet in general and the local network, at the branch location. I have narrowed down the SonicWall device as the probable source of the problem. After verifying it has the latest available firmware already installed, I am considering simply replacing it since, as far as I can determine, it is at least 7 years old.
I have no experience with SonicWall, since I have always used basic consumer grade router / firewall devices from the local computer store, TP-Link, Netgear, etc. I am looking the the current TZ series of devices for a replacement, and just wanted to ask for suggestions on any other comparable brands anyone might recommend I consider for a replacement. Thanks.