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

03/26/2020 70 People found this article helpful 220,321 Views

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    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.

    LAN IP (x0 IP) 192.168.41.168/24
    Secondary LAN subnet 192.168.40.0/24
    Secondary LAN IP (X0_IP2) 192.168.40.1/24

     

    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.
      Image

     

     

    Creating a Static Route

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

    Creating a NAT Policy

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

    Creating the LAN to LAN Access Rule

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

      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

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    • How to change the HTTP and HTTPS management ports on UTM Appliances using CLI
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    Categories

    • Firewalls > NSa Series > Firewall Management
    • Firewalls > NSa Series > Networking
    • Firewalls > TZ Series > Firewall Management UI
    • Firewalls > TZ Series > Networking
    • Firewalls > NSv Series > Firewall Management

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