Proxmox VE 5.3-1 iPXE is not working

[VirtualDev]

Can anyone had documentation on iPXE and Proxmox VE? I have install version 5.3 with default setting and created a linux VM which i am trying to PXE boot using iPXE but it get dhcp time out.

Do I need to create special configuration on Network of Proxmox and Bridge to use iPXE. We have static database of each VM, MAC address used for PXE.

Thanks!

 

[sb-jw]

Did you checked on the DHCP Server if the packets are visible on them?

There is no special configuration needed, on my setup it's work as expected.

 

[LnxBil]

i am trying to PXE boot using iPXE but it get dhcp time out.

You could also directly debug dhcp via tcpdump and wireshark, but be aware that DHCP is a broadcast, not a unicast protocol.

 

[VirtualDev]

We are suspecting that default Bridge setup for networking on proxmox ve host is not passing dhcp traffic so I just wanted to ask community if anyone else ran into this issue before we start troubleshooting further with tcpdump and other tools.

 

[alexskysilk]

suspicion is no substitute for troubleshooting and no, linux bridges dont interfere with dhcp or tftp traffic.

does a physical machine respond to the pxe directives on the same dhcp/pxe server combination?

 

[VirtualDev]

I understand suspicion is no substitute for troubleshooting.
We do have ESXi box with VMs which are working with PXE which we are trying to replace with alternative hypervisor and looking in to proxmox instead of homebrew hypervisor with KVM.

So think of this is my first step in starting on troubleshooting and gathering information of default installation and post-deployment actions required.

 

[BobhWasatch]

Is the DHCP server on the same host as the VM you are trying to boot?

 

[LnxBil]

We do have ESXi box with VMs which are working with PXE

Are you using vlans for that?

Have you restricted DHCP/PXE to the pool of possible vmware mac prefix?

 

[VirtualDev]

Sorry for delay response due to long weekend.

DHCP Server is not on same host but reachable by the host and VMs with static network on linux OS.
No vlan as well we do not restrict pool of mac based on vendor.

I'll continue troubleshooting with tcpdump on host next.

 

[VirtualDev]

Thanks everyone!
We figure out the issue. It is with our dhcp serve and how do we route PXE traffic. In this case, iPXE was sending traffic to wrong dhcp server.

 

[KAMALA]

Hi All,

In our infrastructure we have WDS and MDT when i create a virtual machin on hyper-v i can deploy the OS to the VM machines easlly however when i try to do same on PROXMOX it's not working i mean the VM machine on ProxMox gets an IP address from the DHCP but then i have this error message/ there is nothing to boot from is there a specail conffiguration so that the vm machines can find my WDS server? anyone can help me please.

Thanking you in advance for any help!