I have a client with a strange issue. They have a main firewall setup at one location, a TZ 400, and two other sites connected through VPN with TZ 300s. The VOIP (Innovaphone) and network connection has intermittent issues, sometimes calls drop or they cant hear the caller, and often when they try to connect from one of the spoke locations to their server, the connection stops. They only have a 5Mb connection, but I don't understand why the connection would just end instead of just get really slow. They also have some equipment that sends automatic reports to a third party to make sure certain levels like Helium don't get too high for the equipment, but they don't recieve the reports. They can ping the device, and I can see packets going in and out of the VPN interface, but for some reason they aren't receiving anything. They can ping...
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