How can I configure secondary subnet on LAN interface for firewall management purpose?

03/26/2020 57 34501

DESCRIPTION:

This article explains how to configure a Secondary subnet on the LAN interface to manage the SonicWall appliance.

RESOLUTION:

EXAMPLE: We are using the Network below  as a example for this article.

Procedure

• Create Address Objects for the secondary IP and subnet
• Create Static Route
• Create NAT Policy
• Create Access Rule

Creating Address Objects for the secondary IP and subnet on LAN X0 interface.

1. Login to the SonicWall management Interface.
2. Click  MANAGE ,navigate to Objects | Address Objects, click  Add, create the address objects shown below.
3. Click OK.
   

Creating a Static Route

1. Navigate to Network | Routing, click  Add.
2. Click OK.
   
   
   

Creating a NAT Policy

1. Navigate to Rules| NAT Policies, click  Add, create the following NAT entry.
   
   
   

Creating the LAN to LAN Access Rule

1. Navigate to Rules | Access Rules, select Matrix and then click LAN-LAN arrow.
   
   

   NOTE:  Option Enable Management should be checked in the access rules.

See also:

How to configure secondary IP address on WAN interface for firewall management purpose