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Hi Luca Zibelli
There is no LAN to LAN preconfigure IPS policy template available as per your requirement, but you may use generalpolicy IPS policy to apply on the firewall rule or you can create a custom policy - https://docs.sophos.com/nsg/sophos-firewall/v16058/Help/en-us/webhelp/onlinehelp/index.html#page/onlinehelp%2FIpsPolicyEdit.html%23
Hi Luca Zibelli
There is no LAN to LAN preconfigure IPS policy template available as per your requirement, but you may use generalpolicy IPS policy to apply on the firewall rule or you can create a custom policy - https://docs.sophos.com/nsg/sophos-firewall/v16058/Help/en-us/webhelp/onlinehelp/index.html#page/onlinehelp%2FIpsPolicyEdit.html%23
Hi Luca Zibelli
If they are a part of the same subnet the traffic will never reach to the firewall and directly served through the switch as Layer 2 communication.