From: Ferenc Wagner Date: Mon, 31 May 2010 16:53:20 +0000 (+0200) Subject: docs: explain the danger of IPAPPEND 1 X-Git-Tag: syslinux-4.00-pre48~23 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=ca77b78e7611cd21ea7b8b6ffdc0074f0f17a295;p=profile%2Fivi%2Fsyslinux.git docs: explain the danger of IPAPPEND 1 Explain what the actual issue with IPAPPEND 1 is, and what the constraints on using it really are. Signed-off-by: Ferenc Wagner Signed-off-by: H. Peter Anvin --- diff --git a/doc/syslinux.txt b/doc/syslinux.txt index 76cae24..5a93b90 100644 --- a/doc/syslinux.txt +++ b/doc/syslinux.txt @@ -163,11 +163,10 @@ IPAPPEND flag_val [PXELINUX only] ... based on the input from the DHCP/BOOTP or PXE boot server. - THE USE OF THIS OPTION IS NOT RECOMMENDED. If you have to use - it, it is probably an indication that your network configuration - is broken. Using just "ip=dhcp" on the kernel command line - is a preferrable option, or, better yet, run dhcpcd/dhclient, - from an initrd if necessary. + NOTE: The use of this option is no substitute for running a + DHCP client in the booted system. Without regular renewals, + the lease acquired by the PXE BIOS will expire, making the + IP address available for reuse by the DHCP server. 2: indicates that an option of the following format should be generated and added to the kernel command line: