How To add multiple subnets to the same lan port and you use a Sonicwall appliance, router, firewall

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Do you want to add multiple subnets to the same lan port and you use a Sonicwall appliance, router, firewall? You can follow these instructions to set up a multihome network for your TZ models by adding an address object for the new subnet, an ARP entry, and a route. Example for 192.168.10.1/24 Under Network Menu Click Address Objects. Name: My Secondary Subnet (or any friendly name) Zone Assignment: LAN Type: Network Network: 192.168.10.1 Netmask: 255.255.255.0 (This is for a /24 change as needed) Click OK Under Network Menu Click ARP Static Arp entries > ADD IP Address: 192.168.10.1 (use the IP you want to be your default gateway for this subnet) Interface: X0 (Choose your current LAN port) [x] Publish Entry [ ] Bind Mac Address (Do not select) Click OK Under Network Menu Click Routing Under Route Policies choose Add Source: Any Destination: My Secondary Subnet (Or whatever you named your new Address Object) Service: Any Gateway: 0.0.0.0 Interface: X0 (or the port you chose in ARP setup if your LAN port was not X0) Metric: 20 Click OK Your new subnet should work now. How to: Multiple LAN IPs on a single interface on Sonicwall Appliance How to: Configuring Multiple WAN Subnets Using Static ARP with SonicOS
Best Regards,
Kon Belieu
President SCS Technologies

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