ATP200, SFP to Lan Port?

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Username_is_reserved
Username_is_reserved Posts: 118  Ally Member
First Comment Friend Collector Sixth Anniversary
in Security

Hi
My Home Server is hooked directly to the SFP Port on my ATP. The ATP is the DHCP Server for a bunch of Virtual Machines. Now I have to move them somehow to an Server who is connect lets say Lan Port 1 (= P4). For that reason I set up LAN2 and under "DHCP Setting" I choose DHCP Relay and in "Relay Server 1" I put in the IP from the SFP DHCP like 192.168.100.1

When I activate the Rule the hole System drive insane and not asign any IP Adress to any network anymore.

So what is the correct way?

Thanks

All Replies

  • Zyxel_Melen
    Zyxel_Melen Posts: 3,550  Zyxel Employee
    Zyxel Certified Network Engineer Level 1 - Switch Zyxel Certified Network Administrator - Switch Zyxel Certified Network Administrator - Nebula Zyxel Certified Sales Associate

    Hi @Username_is_reserved,

    May I know your DHCP server is based on which OS? Linux or Windows Server?

    Zyxel Melen


  • Username_is_reserved
    Username_is_reserved Posts: 118  Ally Member
    First Comment Friend Collector Sixth Anniversary

    It is the DHCP Server from sfp Port.

  • Username_is_reserved
    Username_is_reserved Posts: 118  Ally Member
    First Comment Friend Collector Sixth Anniversary

    Hi
    Sorry for the late replay I try to ex plane it again.
    Here is how the SFP Port config: It is "just" the DHCP Server actived.

    1.png
    2.png

    Here on Picture 2 is the Lan2 who I can config to be on the Physical Lan Ports.
    Do I need to set "DHCP Relay" that for example when I put LAN 2 on Port 7 that a Pc who is pluged into Port 7 get a IP Adress from the "SFP" DHCP Server Pool?
    Thanks

  • PeterUK
    PeterUK Posts: 3,906  Guru Member
    100 Answers 2500 Comments Friend Collector Seventh Anniversary
    edited July 7

    The SFP can not port role with LAN2

    LAN2 can only port role with other ethernets

    To expand the SFP network you will need a switch to it

  • Username_is_reserved
    Username_is_reserved Posts: 118  Ally Member
    First Comment Friend Collector Sixth Anniversary

    Does "DHCP Relay" not work in that case?

  • PeterUK
    PeterUK Posts: 3,906  Guru Member
    100 Answers 2500 Comments Friend Collector Seventh Anniversary

    Can't say I used DHCP Relay but I don't think it will do what you want. My understanding is there is DHCP server by Zywall for its LAN but if on another subnet you have a 3rd party DHCP server that will manage that subnet that where DHCP Relay comes in.

  • Zyxel_Melen
    Zyxel_Melen Posts: 3,550  Zyxel Employee
    Zyxel Certified Network Engineer Level 1 - Switch Zyxel Certified Network Administrator - Switch Zyxel Certified Network Administrator - Nebula Zyxel Certified Sales Associate

    Hi @Username_is_reserved,

    Does "DHCP Relay" not work in that case?

    Yes, USG FLEX doesn't support receiving DHCP relay packets, therefore, you will need a switch for your scenario. SFP port and other ethernet ports can't combine together or the LAN interface set DHCP relay to SFP port as DHCP server. One is because it does not support receiving DHCP relay packets, another is because the IP subnet overlaps on different interfaces.

    Zyxel Melen


  • Username_is_reserved
    Username_is_reserved Posts: 118  Ally Member
    First Comment Friend Collector Sixth Anniversary

    I use an ATP 200. Thanks

  • zyman2008
    zyman2008 Posts: 232  Master Member
    25 Answers First Comment Friend Collector Seventh Anniversary

    Hi @Username_is_reserved,

    Create an internal type bridge interface and add both lan2 & sfp interface as member.

    This can group ports of two interfaces like a virtual software switch.

    The only drawback is the traffic between ports is not wire speed as a hardware switch.

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