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Set a Static IP MAC mapping RED

CarlosCrespo

Hi,

How can i set a Static Ip mapping on RED (I am using SFOS 18.5.1 MR-1-Build326)?

The RED is setup and working, on CONFIGURE | NETWORK | DHCP I can edit the DHCP server for this red, but there is no "Static IP MAC mapping" option (as exists when I create a DHCP server for use by a Wireless network).

How can I set this?

TIA,

Carlos



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  • +1

    Hello Carlos,

    Thank you for contacting the Sophos Community.

    Take a look at this KB.

    Regards,

     
    Emmanuel (EmmoSophos)
    Technical Team Lead, Global Community Support
    Sophos Support Videos | Product Documentation  |  @SophosSupport  | Sign up for SMS Alerts
    If a post solves your question use the 'Verify Answer' link.
  • 0 in reply to emmosophos

    Hi,

    I followed the instructions in that KB, and I have an unexpected result:

    I have 2 Reds (A and B).

    Disabled the default DHCP server for red A;
    Create a new DHCP server for red A;
    Disabled the default DHCP server for red B;
    Create a new DHCP server for red B;
    Noticed that the other red (B) was missing from interfaces…

    Disabled the newly created DHCP servers for red A and B;
    Enabled the default DHCP servers for red A and B;
    Red B still missing from interfaces;

    Reboot the firewall to see if the missing red appears again – lost connection to the firewall - only could connect using serial cable.

    At this point I created a case with support, and after additional testing, go for a reimage of the device and backup restore.

    As I read here  it is not possible to have 2 DHCP servers for 1 red - but as it is it the KB should state this clearly, not "Disable or delete the default RED DHCP server that was automatically created when a RED interface is created."

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  • 0 in reply to emmosophos

    Hi,

    I followed the instructions in that KB, and I have an unexpected result:

    I have 2 Reds (A and B).

    Disabled the default DHCP server for red A;
    Create a new DHCP server for red A;
    Disabled the default DHCP server for red B;
    Create a new DHCP server for red B;
    Noticed that the other red (B) was missing from interfaces…

    Disabled the newly created DHCP servers for red A and B;
    Enabled the default DHCP servers for red A and B;
    Red B still missing from interfaces;

    Reboot the firewall to see if the missing red appears again – lost connection to the firewall - only could connect using serial cable.

    At this point I created a case with support, and after additional testing, go for a reimage of the device and backup restore.

    As I read here  it is not possible to have 2 DHCP servers for 1 red - but as it is it the KB should state this clearly, not "Disable or delete the default RED DHCP server that was automatically created when a RED interface is created."

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