iPXE EFI - no network after the DHCP sequence

[NiKiZe]

(2016-12-16 21:43)methodmath Wrote:  we had a similar problem. The solution was to enable portfast on the port where our servers were connected.

we lost a lot of time on that. I suspect the root cause is the intel driver for i350 but enabling portfast in the switch was the easy fix after a few days of debugging...

I'm gonna assume you are using DHCP...
Yes portfast (or enabled STP) is a common issue for not being able to use iPXE because the dhcp requests in ipxe times out (the timeout in ipxe is lower in ipxe then the standard)

In this case the DHCP request did work just fine for cbn38 then it dies, so does not seem to be the same issue.

I also guess that you did get a error messsage when the dhcp request failed that error message has something like a http://ipxe.org/err/4c1060 url which points to a page where portfast is mentioned.