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VLAN routing

Randy Oster

We are trying to start with a ping to a VLAN.  I have port 8 on my Sophos XG with an IP on the VLAN.  That cable is going to a port on a layer 3 switch. We setup rules to go back and forth and setup routing for that network.  When I hook directly into that switch with a static IP, I can ping the gateway on that network.  When I am trying to ping behind the firewall, the request is unreachable.  I have a ticket open with support but have no resolution as of yet.  Thanks.



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     Randy,

    I'm really interested to know how you make out with this. We had a number of issues with VLANs and I feel we're still fighting problems for one customer. The problem for us is our customers firewall is a 16 hour drive from here so we can't tinker with anything too much.

    In our case, support kept telling us that the issue was asymmetric routing which I don't really believe because we use routing and VLAN's with most of our customers and we've never encountered this issue with Sonicwall firewalls.

    Support had us use the command line to create bypass rules which I wasn't a fan of. Here's an old example I just found: Avoid Asymmetric Routing in Cyberoam (sophos.com)

    Now I'm thinking maybe I'll setup a test lab in the office tomorrow and reproduce the issue we had too.

    Let me know how it goes on your end. Also, what kind of switches are you using?

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  • 0

     Randy,

    I'm really interested to know how you make out with this. We had a number of issues with VLANs and I feel we're still fighting problems for one customer. The problem for us is our customers firewall is a 16 hour drive from here so we can't tinker with anything too much.

    In our case, support kept telling us that the issue was asymmetric routing which I don't really believe because we use routing and VLAN's with most of our customers and we've never encountered this issue with Sonicwall firewalls.

    Support had us use the command line to create bypass rules which I wasn't a fan of. Here's an old example I just found: Avoid Asymmetric Routing in Cyberoam (sophos.com)

    Now I'm thinking maybe I'll setup a test lab in the office tomorrow and reproduce the issue we had too.

    Let me know how it goes on your end. Also, what kind of switches are you using?

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