Now set up the following steps: Click on Add and give the rule a name like VLAN_BLOCK or something.Īs an example: To block the traffic between VLAN10 and VLAN20 set the source to the created VLAN10 and the destination to VLAN 20. Go to Configuration > Security Policy > Policy Control > IPv4 Configuration. Set Address Type to SUBNET and type in the VLANs IP address and mask. Click Add and give the rule a name (in this example VLAN10). Go to Configuration > Object > Address/Geo IP > Address. Go to Configuration > Object > Zone > System Default looks if two or more VLANs are in the same zone like this. Check if the VLANs are in the same Zone.The IP addresses which are used are only examples please use your own IP addresses.
Follow this step by step guide to prevent this. When you have configured several VLANs which all belong to the same zone (for example LAN1), it is possible that the VLANs can communicate with each other, without configured a route.
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