Date: Sat, 10 Jan 2004 17:04:47 -0500 (EST) From: Robert Watson <rwatson@freebsd.org> To: Dag-Erling =?iso-8859-1?q?Sm=F8rgrav?= <des@des.no> Cc: hackers@freebsd.org Subject: Re: diskless problems Message-ID: <Pine.NEB.3.96L.1040110170317.91469H-100000@fledge.watson.org> In-Reply-To: <xzpad4vtryf.fsf@dwp.des.no>
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On Sat, 10 Jan 2004, Dag-Erling Sm=F8rgrav wrote: > Robert Watson <rwatson@freebsd.org> writes: > > Can you send "tcpdump -e" output? >=20 > 22:18:14.884745 0:40:63:c4:60:3d ff:ff:ff:ff:ff:ff 0800 590: 0.0.0.0.68 >= 255.255.255.255.67: xid:0x64c4603d secs:4 flags:0x8000 [|bootp] > 22:18:16.911162 0:40:63:c4:60:3d ff:ff:ff:ff:ff:ff 0800 590: 0.0.0.0.68 >= 255.255.255.255.67: xid:0x64c4603d secs:4 flags:0x8000 [|bootp] > 22:18:16.919251 0:40:63:c4:60:3d ff:ff:ff:ff:ff:ff 0806 60: arp who-has 1= 0.0.0.4 tell 10.0.0.9 > 22:18:17.134219 0:40:63:c4:60:3d ff:ff:ff:ff:ff:ff 0800 590: 10.0.0.9.68 = > 255.255.255.255.67: xid:0x3d60c464 file ""[|bootp] > 22:18:17.135119 8:0:2b:86:88:55 0:40:63:c4:60:3d 0800 348: 10.0.0.6.67 > = 10.0.0.9.68: xid:0x3d60c464 Y:10.0.0.9 S:10.0.0.4 file ""[|bootp] [tos 0x1= 0] > 22:18:17.135621 0:40:63:c4:60:3d ff:ff:ff:ff:ff:ff 0800 590: 10.0.0.9.68 = > 255.255.255.255.67: xid:0x3d60c464 file ""[|bootp] > 22:18:17.136477 8:0:2b:86:88:55 0:40:63:c4:60:3d 0800 348: 10.0.0.6.67 > = 10.0.0.9.68: xid:0x3d60c464 Y:10.0.0.9 S:10.0.0.4 [|bootp] [tos 0x10] > 22:18:38.239936 0:40:63:c4:60:3d ff:ff:ff:ff:ff:ff 0800 1502: 0.0.0.0.68 = > 255.255.255.255.67: xid:0xffff0001 flags:0x8000 [|bootp] [ttl 1] >=20 > > What kernel configuration are you using? Are there multiple ethernet > > devices in the system? >=20 > I followed the advice from the diskless(8) man page. There's only one > interface, and tcpdump clearly shows that the DHCP server recieves a > request but does not answer.=20 I was a bit surprised to see 'vr0', since PXE is almost always used with fxp drivers. > > Normally if you're using pxeboot for diskless > > booting, there's no need for the kernel or userspace to use DHCP: they > > inherit the DHCP settings provided by the pxeboot loader using the kern= el > > environment. When using PXE, there's no need for any special kernel > > options, etc, you should just be able to use GENERIC. >=20 > I'll try again without the BOOTP options...=20 Yeah. Our PXE booting support isn't really the same as the traditional diskless booting environment. If we don't have a PXE manpage, we probably should have one, since it's actually pretty easy to use. I use PXE booting extensively in my test environment, and it makes life much, much easier. I'm sure we have some worked examples posted around, but if not, I can post the details of my configuration. Robert N M Watson FreeBSD Core Team, TrustedBSD Projects robert@fledge.watson.org Senior Research Scientist, McAfee Research
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