|author||hpa <hpa>||2001-02-07 23:38:54 +0000|
|committer||hpa <hpa>||2001-02-07 23:38:54 +0000|
Update to add info about new PXE stacks and about atftp.
1 files changed, 15 insertions, 9 deletions
diff --git a/pxelinux.doc b/pxelinux.doc
index fccfa90a..f9384b96 100644
@@ -72,6 +72,11 @@ which supports the "tsize" TFTP option (RFC 1784/RFC 2349). The
... and on any kernel.org mirror (see http://www.kernel.org/mirrors/).
+Another TFTP server which supports this is atftp by Jean-Pierre
Unfortunately, the Intel LANDesk Service Agent II prior to version
0.99h (PXE PDK V2.4) seems to have a rather serious bug: it requests
the TFTP "blksize" option, but will be mortally confused if this
@@ -82,9 +87,9 @@ workarounds for this bug:
Unfortunately, PXELINUX requires the "tsize" option to be
supported, and it is very unusual for TFTP servers to implement one
- and not the other. The "tftp-hpa" TFTP server (see above) therefore
- can be configured to disable individual options with a command-line
- option (-r <optionname>). In this case, use "-r blksize".
+ and not the other. Both the tftp-hpa and atftp TFTP servers (see
+ above) therefore can be configured to disable the blksize option.
+ Use "-r blksize" for tftp-hpa, "--no-blksize" for atftp.
2. Use MTFTP for the initial bootstrap. You need an MTFTP server with
the appropriate DHCP setup to do this.
@@ -98,13 +103,11 @@ workarounds for this bug:
++++ SETTING UP THE DHCP SERVER ++++
The PXE protocol uses a very complex set of extensions to DHCP or
-BOOTP. ISC dhcp 3.0, currently in beta, appears to have enough smarts
-to support at least most of the full protocol.
-However, I believe I have found a magic cookie set of options which is
-adequate to make all or most existing PXE client boot.
+BOOTP. Some PXE implementations can be coaxed to operate with a
+normal DHCP server; unfortunately so far no "magic bullet" which works
+with all PXE implementations work.
-Using ISC dhcp 2.0 dhcpd.conf syntax:
+The best one currently known, using ISC dhcp 2.0 dhcpd.conf syntax:
@@ -128,6 +131,9 @@ Using ISC dhcp 2.0 dhcpd.conf syntax:
+However, some PXE implementations will only work this way if the
+"dhcp-class-identifier" and "vendor-encapsulated-options" are *not*
Note that if your particular TFTP daemon runs under chroot (tftp-hpa
will do this if you specify the -s (secure) option; this is