VMG8623-T50B - V550(ABPM.6)C0 - Static DHCP clients limit

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ExTrEmE
ExTrEmE Posts: 4
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in Smart Home Product
Hi guys! Anyone know if ther's a way to get rid of 32 client limit for static dhcp assignment?
(Already tested the backup file mod trick.. don't work).
I have the firmware source from zyxel, but never modified a router firmware.. so no idea where to start, eventually.
Someone able to point me in the right path?

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  • Koumak
    Koumak Posts: 10
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    Hi, manual for VMG says that:

    Subnet mask
    Enter the subnet mask, eg 255.255.255.0 (default). The Zyxel device calculates the subnet mask based on the IP address entered, so don't change it unless you're absolutely sure what you're doing.

    Maybe it helped, but to be correct i never used different than defaul subnet mask. 
  • ExTrEmE
    ExTrEmE Posts: 4
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    Subnet mask impact on the network "configuration" not on how many clients can I reserve in dhcp on MAC base.
    Probably is a memory limit in nvram or a limit fixed in the firmware source code. 
  • tonygibbs16
    tonygibbs16 Posts: 841  Guru Member
    First Anniversary 10 Comments Friend Collector First Answer
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    Hello @ExTrEmE

    At your own risk, you might want to look in the source code for any .h or .c files for busybox or udhcp and search for the limit of 32 in the source code.

    Happy New Year.

    Kind regards, Tony (a user)
  • Koumak
    Koumak Posts: 10
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    Maybe you can try the solution from another comment:
    https://community.zyxel.com/en/discussion/5912/vmg8823-increase-number-of-static-dhcp-entries-is-it-possibile


  • ExTrEmE
    ExTrEmE Posts: 4
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    Koumak said:
    Maybe you can try the solution from another comment:
    https://community.zyxel.com/en/discussion/5912/vmg8823-increase-number-of-static-dhcp-entries-is-it-possibile


    This was the first try.
    When I changed my router from netgear to zyxel, I manually generated a json from an excel table where I have all my static ip Listed, and pushed the values inside a copy of zyxel backup file.
    Unfortunately the zyxel refuse to load all the data.. It load only until it's clients limit :(
  • Koumak
    Koumak Posts: 10
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    I underestund you, i has different problem with another fw and also with IPTV which not working with absolutely standard configuration, which works on another devices. Zyxel started to be 
    untrustworthy company for me. 
    What about to try Mikrotik HW for your solution, some are very cheap and working well.  :-)
  • ExTrEmE
    ExTrEmE Posts: 4
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    My bought list to replace the zyxel have in first place fritz 7590ax and in second mikrotik.
    The first is a very good all in one solution and I have the voip part too in the same device.
    Microtik devices are powerful / professional devices: this mean more configuration possibilities, more power.. But I'll lose voip (so I'll need external Ata) and probably I'll lose hours of sleep time to have it properly configured. Anyway.. With this limits I can't stay with zyxel vmg. 

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