Date: Tue, 29 May 2012 09:51:25 +0300 From: Daniel Braniss <danny@cs.huji.ac.il> To: Rick Macklem <rmacklem@uoguelph.ca> Cc: pacija@gmail.com, freebsd-hackers@freebsd.org Subject: Re: pxe + nfs + microsoft dhcp Message-ID: <E1SZGH7-000Pza-3o@kabab.cs.huji.ac.il> In-Reply-To: <1559609187.982427.1338244921382.JavaMail.root@erie.cs.uoguelph.ca> References: <1559609187.982427.1338244921382.JavaMail.root@erie.cs.uoguelph.ca>
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> pacija wrote: > > ----- Original Message ----- > > Dear list readers, > > > > I am having a problem with pxe loader on FreeBSD 9.0 i386 release. No > > matter what value I put for DHCP option 017 (Root Path) in Microsoft > > DHCP server, pxe always sets root path: > > pxe_open: server path: / > > > > I've read src/sys/boot/i386/libi386/pxe.c as instructed in handbook, > > and > > i learned there that root path is a failover value which gets set if > > no > > valid value is supplied by DHCP server. At first i thought that > > Microsoft DHCP does not send it but i confirmed with windump it does: > > > > -- > > 15:46:49.505748 IP (tos 0x0, ttl 128, id 6066, offset 0, flags [none], > > proto: UDP > > (17), length: 392) dhcp.domain.tld.67 > 255.255.255.255.68: [bad udp > > cksum 4537!] > > BOOTP/DHCP, Reply, length 364, xid 0xdcdb5309, Flags [ none ] (0x0000) > > Your-IP 192.168.218.32 > > Server-IP dhcp.domain.tld > > Client-Ethernet-Address 00:19:db:db:53:09 (oui Unknown) > > file "FreeBSD/install/boot/pxeboot" > > Vendor-rfc1048 Extensions > > Magic Cookie 0x63825363 > > DHCP-Message Option 53, length 1: Offer > > Subnet-Mask Option 1, length 4: 255.255.255.0 > > RN Option 58, length 4: 345600 > > RB Option 59, length 4: 604800 > > Lease-Time Option 51, length 4: 691200 > > Server-ID Option 54, length 4: dhcp.domain.tld > > Default-Gateway Option 3, length 4: gate.domain.tld > > Domain-Name-Server Option 6, length 4: dhcp.domain.tld > > Domain-Name Option 15, length 1: "^@" > > RP Option 17, length 42: > > "192.168.218.32:/b/tftpboot/FreeBSD/install/^@" > > BF Option 67, length 29: "FreeBSD/install/boot/pxeboot^@" > What about getting rid of the "^@" characters at the end of > the strings? the ^@ seems to have been added by windump, but check this out: the length of the root-path 192.168.218.32:/b/tftpboot/FreeBSD/install/ is 43!, not 42 as shown, and the ^@ (NULL) is the 44th! on the other hand, FreeBSD/install/boot/pxeboot is 28! can you make available the raw data (cab) of the entire transaction, including the request for the boot files? danny
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