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Error: Index of the interface.: Bridged interfaces may not be configured in WAN Load Balancing

03/26/2020 7 People found this article helpful 99,599 Views

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    Description

    Error: Index of the interface.: Bridged interfaces may not be configured in WAN Load Balancing

    Resolution

     

    Problem Definition:

    On SonicWall Security Appliance, when bridging a LAN interface with WAN (X1) interface there is an error message shown as " Error: Index of the interface.: Bridged interfaces may not be configured in WAN Load Balancing ...". This KB article shows how to get rid of this error message and configure the LAN interface with WAN interface in Layer 2 bridge mode.

    Error:

    Step 1: Log in to the SonicWall Management GUI.
    Step 2: Navigate to the Network| Interfaces page.
    Step 3: Click on the Configure option of the LAN interface. (In this scenario, X0 interface is the LAN interface but other interfaces like X2, X3, X4, X5 and X6 can also be configured in LAN zone)

    Image

    Step 4: In the Interface X0' Settings window, next to Mode/IP Assignment drop down list select Layer 2 Bridged Mode and Bridged to as X1.
    Step 5:
    Click on OK option.

    Image


    Step 6: There is an error message thrown by SonicWall Security Appliance, as shown below: 

    Image

    Resolution:

    The Primary bridge interface shouldn't be participating in the Load balancing, remove the X1 interface from Load Balancing (If there are multiple WAN interfaces) or disable the Load balancing in under Network | Failover  & LB  (if there is only one WAN Interface in). In this article, only one WAN was configured.

    Step 7: Navigate to Network | Failover & LB, Uncheck "Enable Load Balancing" and click on Accept.

    Image

     
     
    Step 8: Layer 2 Bridging would be done successfully and the IP addresses on LAN (X0) and WAN (X1) interfaces must be same as shown below.
     
    Image


     

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    Categories

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