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If all else fails, test the internet and sonicwall separately.
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Talk to your ISP, ask them if there's noise or unusual errors on your connection. If you have a ratty or old cable, swap it out. if you turn off security services and only get 350Mbps, there's something wrong.Ĭheck your port counters and event logs on the sonicwall, make sure you're not getting bad frames, check the connection at the modem, make sure everything is in good condition and tightly secured into the ports. if you take out the security services and go to stateful firewalling, you should get more than that, by quite a bit (upwards of 1Gbps).
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The TZ350, with all security services enabled, should perform at 350mbps.
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