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DHCP Static IP mapping for same client multiple networks?

KyleK

I have two networks setup that are vlan tagged and on a LAG interface. I have a client that can connect to both of those networks and would like to assign a static IP address to that client on both networks. Initially I assigned a static IP address in the DHCP options on the one network but then noticed whenever the client tried to connect to the second network they would receive no DHCP lease. Looking through the forums I found the option "system dhcp static-entry-scope global" which alleviated this problem. However I am still unable within the web interface to assign the same MAC on multiple networks in the DHCP "Static IP MAC Mapping". It works fine on one of the networks but then when I try it on the second I receive: "DHCP Configuration with the same hostname/MAC address/DUID address already exists, choose a different hostname/MAC address/DUID address"

Is this a limitation or is there another shell command I need to run to enable this?


Appreciate the help.



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  • 0 in reply to ShunzeLee

    Dear All,

    I have created a case about the issue, case ID is 7214246.

    And support team answered me as following.

    I have tested your scenario in our local lab and tested. where also I was getting same error.
    Which means you can not bind multiple IPs on single MAC which you can called behavior. 
    ...
    As per the appliance architecture,
    it won't be possible to create multiple static entry in different DHCP scope on XG appliance. 

    It seems that Sophos won't support the feature in future.

  • 0 in reply to ShunzeLee

    Shunze,

    open a feature request and post the link here. I will give you my vote. This is a feature that will improve XG.

    Thanks for sharing your issue/ticket status.

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