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Logs showing the message: Peer's proposed network does not match VPN Policy's Network

10/14/2021 1,216 People found this article helpful 105,762 Views

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    Description

    This is the most common reason for traffic failing to traverse a VPN tunnel. This is accompanied by an error in the SonicWall Log. The following errors can be seen in the log:

    • Proposal does not Match
    • Invalid Cookies

    Example below:

     Image


    Resolution

    Resolution for SonicOS 7.X

    This release includes significant user interface changes and many new features that are different from the SonicOS 6.5 and earlier firmware. The below resolution is for customers using SonicOS 7.X firmware.


    When configuring the VPN, under Network | IPSec VPN | Rules and Settings , the Local and Destination Network needs to be defined on each device. Make sure that the Local Network chosen matches the Destination Network chosen on the other site. 


                    Image             Image



                                 Image




    Resolution for SonicOS 6.5

    This release includes significant user interface changes and many new features that are different from the SonicOS 6.2 and earlier firmware. The below resolution is for customers using SonicOS 6.5 firmware.



     When configuring the VPN, under Manage | VPN | Base settings , the Local and Destination Network needs to be defined on each device. Make sure that the Local Network chosen matches the Destination Network chosen on the other site. 

    ImageImage

    Image



    Resolution for SonicOS 6.2 and Below

    The below resolution is for customers using SonicOS 6.2 and earlier firmware. For firewalls that are generation 6 and newer we suggest to upgrade to the latest general release of SonicOS 6.5 firmware.


    When configuring the VPN, the Local and Destination Network needs to be defined on each device. Make sure that the Local Network chosen matches the Destination Network chosen on the other site. 

    Image


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