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Some source nat rules don't work

Josh Kaufman

I have multiple source nat rules to nat certain servers to different public ip addresses. Most of the rules are working but I am having issues where some just don't work. I have tried deleting and creating them and still have issues. Also, my main source nat rule will randomly stop passing traffic for about 15-20 seconds and then resume. I know its not the internet connection as everything was working fine on our Sonicwall.

 

Anyone else had weird source nat problems?

 

Router - XG210 with SFOS 17.0.6 MR6



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    Hey  

    Sorry to hear about the issues you've been experiencing. More investigation would be needed to take a look at your rules and this traffic. Have you tried performing a packet capture on your XG to discover which firewall rule is applying to your server traffic when this issue occurs? Is it possible that your firewall rules are configured in a way where potentially 2 rules are conflicting and traffic is being matched with unexpected results?

    Regards,

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  • 0

    Hey  

    Sorry to hear about the issues you've been experiencing. More investigation would be needed to take a look at your rules and this traffic. Have you tried performing a packet capture on your XG to discover which firewall rule is applying to your server traffic when this issue occurs? Is it possible that your firewall rules are configured in a way where potentially 2 rules are conflicting and traffic is being matched with unexpected results?

    Regards,

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