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gumpgump's avatar
Mar 18, 2021

DHCP reservations and rebooting: WHY?

There's a threat from 2020 that I can't reply to about this.

 

I find it annoying that in the year 2021 we have to reboot routers for a simple DHCP reservation change.  Perhaps it's with IPtables consistency?  Can someone comment more... I just feel like this is unnecessary; that is, I have managed ISC DHCP independently and it's a simple HUP of the server process to reload.   *shrug*

 

9 Replies

  • What 2020 threat are you referring to 

     

    What NG product/model are you referring to? 

     


  • gumpgump wrote:

    There's a threat from 2020 that I can't reply to about this.


    I think you mean there is a thread from 2020 that you can't reply to. :)

     


    gumpgump wrote:

    I find it annoying that in the year 2021 we have to reboot routers for a simple DHCP reservation change.  Perhaps it's with IPtables consistency?  Can someone comment more... I just feel like this is unnecessary; that is, I have managed ISC DHCP independently and it's a simple HUP of the server process to reload.   *shrug*


    When you add/edit/delete a DHCP reservation you don't need to click the "APPLY" button at the top of the page.  The change to DHCP will still be saved which you can test by moving to another page and then returning to "LAN Setup" and you'll see your changes have been saved.  You might need to reboot or disconnect/reconnect from WiFi on the device that should be using the DHCP reservation.

     

    I think that when you click "APPLY" the firmware assumes you have made a change to the "LAN TCP/IP Setup" even if you haven't and so reboots the router so that the new IP Address range can take affect. That has been my experiance anyway.

    • gumpgump's avatar
      gumpgump
      Guide

      Haha... sorry about that!  I didn't even see the typo.   Yes, I meant "thread" not "threat" :smileylol:

       

      Your explanation makes sense, thank you.  The modal is probably a catch-all to ensure the settings take into the router.  I will try this next time, thank you for pointing this out.

       

       

      Forrest