This error indicates that iPXE timed out while attempting to autoconfigure a network adapter.

In almost all cases the method used for autoconfiguration will be DHCP, and you should read the information relating to DHCP timeout.

This error could be also a bug in UNDI driver. In this case, the issue can be intermittent. This can be solved by upgrading firmware on network card.

Things to try:

• Read the information relating to DHCP timeout.

• If you are using IPv6, read the information relating to router discovery timeout and DHCPv6 timeout.

• After the failed autoconfiguration attempt, check the output from the ifstat command to see if iPXE is receiving any packets (the “RX” counter) or experiencing receive errors (the “RXE” counter).

• Test specific autoconfiguration methods in isolation using the ifconf command. For example:

  ifconf -c dhcp net0
  ifconf -c ipv6 net0

  This may give you more specific information about the underlying problem.

• If this only shows up after a reset when chainloading undionly.kpxe, it may be a bug in your PXE boot ROM. A hard reboot will work as a quick fix. A long term solution would be to replace the buggy boot ROM (either with a newer version or with iPXE). Alternately you may chainload a iPXE image with a real driver for the specific card. This is known issue with some virtual machine's stock PXE ROMs.

* If connected to a Cisco switch make sure 'spanning-tree portfast' is enabled on the switch. Otherwise iPXE will fail establishing network connection.