VMG3925-B10B Stop Routing between LANS

bbc_Basic Posts: 3  Freshman Member
edited April 2018 in Smart Home Product
I Have two Lan Groups 
Default 192.168.1.x
Office 192.168.2.x

Subnet Mask

At the moment I am able to ping between the two Lan's 
I would like to prevent LAN to LAN traffic.

Any thoughts would be good.



All Replies

  • bbc_Basic
    bbc_Basic Posts: 3  Freshman Member
    edited April 2018
  • YeK
    YeK Posts: 150  Master Member
    First Anniversary 10 Comments Friend Collector

    Can you please help to provide fw version you used? 
  • bbc_Basic
    bbc_Basic Posts: 3  Freshman Member

    • Firmware. V5.13(AAVF.7)C0
    • Upgrade WWAN Package
      • Current WWAN Package Version: 1.16
    AAAAL Posts: 125  Ally Member

    Hi bbc_Basic,

    I think current design is CPE puts those IP addresses into the same routing table. CPE will search the routing path using CPE’s routing table first when there are traffics from LAN side, that’s why we can access hosts from LAN to LAN. So I don’t think we can have a method to prevent it now.

  • steveoelliott
    I have the same problem... Surely there should be a way or an option in the firmware to isolate the VLAN's.
  • Zyxel_Support_CPE
    Zyxel_Support_CPE Posts: 188  Zyxel Employee
    First Anniversary
    edited August 2018
    Hi steveoelliott,

    Sorry to inform you that there is no way to modify configuration to prevent it currently. We have internal discuss this behavior again. 
  • steveoelliott
    Thanks... Please can you update when you have added an option to isolate inter-vlan traffic? I guess simplest way would be via a tick box on the UI.

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