Ipxe connection timed out (4c126092)


  • Hello! Im very new to FOG project and so far im liking it. I have done a lot of research on how to perfect everything by reading forums and WIKI and so far it has all been helpful. Now i have an issue that i cant seem to find a solution to. Whenever i boot inti ipv4 and start the pxe, it dowloads the NBP file and everything goes well. It receives DHCP answer and after that starts loading default.ipxe which comes to a *Connection timed out (http://ipxe.org/4c126092)
    Chainloading failed.

    Now the issue only tends to happen sometimes, and a computer reboot usually fixes it but sometimes it doesnt work after 5 tries. I cant seem to find the solution to it.

    I use snponly.efi, during FOG installation configured it to handle DHCP and used mostly default settings. The machine the server is running on is Ubuntu 20.04 LTS.

    If there is any other information needed, i can try to dig that up as well since im a bit of a beginner in this field.

    Thank you!

  • Moderator

    @Godlike It’s kinda strange this workes just fine sometimes but fails on other tries in your setup. Definitely try out the other dumb switch. First connected in between your current setup but as well you might want to try swaping out your existing switch with the dumb one for testing.


  • @george1421 Ordered a switch, will respond after i have tested things out with the STP. Should arrive tomorrow

  • Moderator

    @godlike Well I looked into this switch and it has advanced settings like QoS, VLAN, IGMP Snooping, etc. But there is no reference to spanning tree protocol (STP). Its hard to understand that if this device has all of those other features but does not have a setting for spanning tree, strange.

    I’m still thinking that we want to try one of those dumb 5 port unmanaged switches to see if that is the problem. The issue you have at the moment is outside of FOG itself, but rather infrastructure as far as I can tell.


  • @george1421 Its a TP-Link Gigabit switch (TL-SG116E) , but im pretty sure its not ever configured. Its been at my workplace before i came here. And its currently between the pxe booting computer and the main router. So Router - TPlink switch - target computer. The main host computer is also built on the switch if that makes any difference

  • Moderator

    @godlike Lets try this. If you have a very cheap/inexpensive unmanaged network switch. Place that switch between the pxe booting computer and the building network switch. This will help us test to see if your troubles are related to spanning tree being set to default settings on your building network switch.

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