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Sonicwall Global VPN Client Disconnect

I am running SBS2003 Premium Edition. I am using Sonicwall TZ205. My remote office is connected through Global VPN Client. Remote user disconnect several times during the day. Sonicwall MTU is set for 1400 MTU, but when I ping private and public address, I can only ping up to 500 MTU, if I ping above 500 I get request timed out. How can I fix this issue.
Hardware FirewallsVPNSBSNetworking

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Blue Street Tech

8/22/2022 - Mon
Carl Dula

Blue Street Tech

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Blue Street Tech

Any update on this?

I change the MTU on the Sonicwall from 1500 to 1404 reboot and everything is working fine now.
Your help has saved me hundreds of hours of internet surfing.
Blue Street Tech


If you haven't done so already tailor your MTU by decrementing it by 8 starting at 1500 until you get 0% loss. Open cmd prompt and use 'Ping -f -l www.google.com 1500' to test. Here is a step-by-step: https://www.experts-exchange.com/A_12615.html
Blue Street Tech

Is there anything else I can help you with?