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authorhpa <hpa>1999-09-27 03:55:12 +0000
committerhpa <hpa>1999-09-27 03:55:12 +0000
commit35c1b2ece3055ea6c330d0599551194aa68613cd (patch)
tree148e382e2a6720c536bedc24627cb7f4b7444460
parent3561ab509837a31279fd44ace9aced01ab8ee0e2 (diff)
downloadsyslinux-35c1b2ece3055ea6c330d0599551194aa68613cd.tar.gz
syslinux-35c1b2ece3055ea6c330d0599551194aa68613cd.tar.xz
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Update docs for release.
-rw-r--r--pxelinux.doc70
1 files changed, 40 insertions, 30 deletions
diff --git a/pxelinux.doc b/pxelinux.doc
index c1f06c49..fb623b2d 100644
--- a/pxelinux.doc
+++ b/pxelinux.doc
@@ -1,6 +1,6 @@
PXELINUX
- Version 1.46
- September 17, 1999
+ Version 1.48
+ September 26, 1999
A bootloader for Linux using the PXE network booting protocol
@@ -28,15 +28,6 @@ PXELINUX operates in many ways like SYSLINUX. If you are not familiar
with SYSLINUX, read syslinux.doc first, since this documentation only
explains the differences.
-PXELINUX currently requires that the boot server has a TFTP server
-which supports the "tsize" TFTP option (RFC 1784/RFC 2349). The
-"tftp-hpa" TFTP server, which support options, is available at:
-
- http://www.kernel.org/pub/software/network/tftp/
- ftp://www.kernel.org/pub/software/network/tftp/
-
-... and on any kernel.org mirror (see http://www.kernel.org/mirrors/).
-
On the TFTP server, create the directory "/tftpboot", and copy the
following files to it:
@@ -67,10 +58,46 @@ generally requires that filenames are 31 characters or shorter in
length.
PXELINUX does not support MTFTP, and I have no immediate plans of
-doing so.
+doing so. It is of course possible to use MTFTP for the initial boot,
+if you have such a setup. MTFTP server setup is beyond the scope of
+this document.
+
+
+ ++++ SOME NOTES ON THE TFTP SERVER ++++
+
+PXELINUX currently requires that the boot server has a TFTP server
+which supports the "tsize" TFTP option (RFC 1784/RFC 2349). The
+"tftp-hpa" TFTP server, which support options, is available at:
+
+ http://www.kernel.org/pub/software/network/tftp/
+ ftp://www.kernel.org/pub/software/network/tftp/
+... and on any kernel.org mirror (see http://www.kernel.org/mirrors/).
+
+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
+option is actually accepted by the server! There are three possible
+workarounds for this bug:
- ++++ SETTING UP A DHCP SERVER ++++
+1. Use a TFTP server with doesn't support "blksize".
+
+ 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".
+
+2. Use MTFTP for the initial bootstrap. You need an MTFTP server with
+ the appropriate DHCP setup to do this.
+
+3. Use appropriate DHCP options that the client will attempt MTFTP
+ before trying conventional TFTP. It seems that the client will not
+ request the "blksize" option if it has tried MTFTP and failed.
+ These DHCP options are beyond the scope of this document.
+
+
+ ++++ 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
@@ -122,23 +149,6 @@ Management Adapter "Boot agent 2.6 (build 071)" (derived from the
Intel PXE PDK V3.0 bld 071) using the configuration above and ISC
dhcpd 2.0.
-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
-option is actually accepted by the server! There are two possible
-workarounds for this bug:
-
-1. Use a TFTP server with doesn't support "blksize".
-
- 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".
-
-2. Use MTFTP for the initial bootstrap. You need an MTFTP server to
- do this.
-
++++ SOME NOTES ++++