USGFLEX 50 ip-address change

MattiS
MattiS Posts: 8  Freshman Member
First Comment Friend Collector
in Security

I need to change LAN ip-addresses from 192.168.10.xxx to 192.168.100.xxx

I haven't been able to find a spot where to do it?

Accepted Solution

  • Zyxel_Judy
    Zyxel_Judy Posts: 1,584  Zyxel Employee
    Zyxel Certified Network Engineer Level 2 - Nebula Zyxel Certified Network Engineer Level 2 - Switch Zyxel Certified Network Engineer Level 2 - Security Zyxel Certified Network Engineer Level 1 - Nebula
    Answer ✓

    Hi @MattiS ,

    Please see PeterUK's recommendation firstly.

    If you still want to change your LAN IP addresses from 192.168.10.xxx to 192.168.100.xxx, you can follow these steps:

    1. Navigate to: Configuration > Network > Interface
    2. Select the LAN interface you want to modify (e.g., lan1)
    3. Update the IP address
    4. Adjust DHCP configuration if necessary
    image.png

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All Replies

  • PeterUK
    PeterUK Posts: 3,426  Guru Member
    100 Answers 2500 Comments Friend Collector Seventh Anniversary
    edited October 28

    If you have 50 devices with DHCP set for x days and you change the LAN subnet on the flex you have to reboot devices or wait x days for them to get the new IP in that subnet or change lease time to 3mins wait x days on the old lease then change the IP subnet and your devices will get a new IP in that subnet in 3 mins

    I don't recommend 192.168.100.xxx if you have a modem thats on 192.168.100.1

  • Zyxel_Judy
    Zyxel_Judy Posts: 1,584  Zyxel Employee
    Zyxel Certified Network Engineer Level 2 - Nebula Zyxel Certified Network Engineer Level 2 - Switch Zyxel Certified Network Engineer Level 2 - Security Zyxel Certified Network Engineer Level 1 - Nebula
    Answer ✓

    Hi @MattiS ,

    Please see PeterUK's recommendation firstly.

    If you still want to change your LAN IP addresses from 192.168.10.xxx to 192.168.100.xxx, you can follow these steps:

    1. Navigate to: Configuration > Network > Interface
    2. Select the LAN interface you want to modify (e.g., lan1)
    3. Update the IP address
    4. Adjust DHCP configuration if necessary
    image.png

    Untitled Image

    Share your feedback through our survey, make your voice heard, and win a WiFi 7 AP!

    https://bit.ly/2024_Survey_Community

  • MattiS
    MattiS Posts: 8  Freshman Member
    First Comment Friend Collector
    https://community.zyxel.com/en/discussion/comment/71159#Comment_71159

    I want the LAN ip addresses to be 192.168.100.xxx. F.eg. Printer address is in the old firewall 192.168.100.200, so I want the printer to be the same address in this new Flex50.

  • MattiS
    MattiS Posts: 8  Freshman Member
    First Comment Friend Collector

    Hello!

    Thank you, for your answer, Judy!

    I did that and added a bit lower a IP Pool start address to 192.168.100.33.

    However, now I see no computers in DHCP table! Why?

    I can't fix any IP addresses now.

    Best regards, Matti

  • PeterUK
    PeterUK Posts: 3,426  Guru Member
    100 Answers 2500 Comments Friend Collector Seventh Anniversary

    reboot the computers 

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