✎ troubleshooting - Etherboot/gPXE Wiki

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===== Troubleshooting FAQ =====

==== "No IP address" ====
**Problem:**\\ You have setup a DHCP server, boot EtherBoot, but it will fail to accept an IP address from the server.

**Solution:**\\ As of version 3.0.3 of the ISC DHCP server, the value of ''"next-server"'' does not have a reasonable default any more (it used to contain the IP address of the DHCP server, which would act as TFTP server then). You will have to set it to the IP address of the TFTP server (in most cases, the same machine as the DHCP server):
<file>next-server 192.168.0.1;</file>
in your ''dhcpd.conf'', somewhere in the global section near the top, will do the trick.

==== "Error 0x..." ====
**Problem:**\\ gPXE is failing with an error code that is not human-readable.

**Solution:**\\ Error codes are generally internal errors.  Many user errors are displayed as human-readable messages.  Error codes allow the developers to identify the location in gPXE where the error is coming from.  You can use the web-based [[http://etherboot.org/share/stefanha/errcode.php|gPXE Error Code Lookup]] or ask ''gpxebot'' for help on the [[contact|IRC channel]].  Fully investigating an error code will require the gPXE source code.  Start by looking at ''src/include/errno.h''.  Developers are often available for help on the [[contact|IRC channel]]!

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