Re: dhcpd problem on OpenBSD 4.4 with release / renew

Wed, 12 Nov 2008 06:02:50 -0800 

Kenneth R Westerback wrote:

On Tue, Nov 11, 2008 at 03:03:19PM -0800, Brian Keefer wrote:

On Nov 11, 2008, at 2:01 PM, Administrator wrote:


Brian Keefer wrote:

On Nov 11, 2008, at 12:42 PM, Administrator wrote:
Nope, didn't help. There must be some other mistery. Now it stops at DHCPOFFER part. 


DHCPDISCOVER from 00:50:18:48:cb:3d via vlan51
DHCPOFFER on 192.168.51.3 to 00:50:18:48:cb:3d via vlan51
DHCPDISCOVER from 00:50:18:48:cb:3d via vlan51
DHCPOFFER on 192.168.51.3 to 00:50:18:48:cb:3d via vlan51

Any ideas?
Do you have the ability to test on -current? You might try that. Also definitely post a follow-up to Misc@ and Cc: [EMAIL PROTECTED] to see if he has any ideas. I'm not a DHCP guru, unfortunately. He's probably going to need some tcpdump samples to see what options are getting passed. This is what was requested last time: 
please include "tcpdump -eni<interface> -Xvvs9999 port 67 or port 68"
Ok, I will try -current tomorrow. Do I have to recompile world or just dhcpd? Will this be enough? 

# cd /usr/src/usr.sbin/dhcpd
# make obj && make && make install
For -current you should install a snapshot and go from there. I believe you can't just update dhcpd because there have been library changes.
Hopefully you have a box you can test on. I tend to use VMs for this kind of thing. 

--
bk


You should be able to just get -current /usr/src/usr.sbin/dhcpd/options.c
and recompile on your system. The library problem was with my
compiling on a -current system and someone trying to that executable
it on a -release system.

.... Ken
Recompiled /usr/src/usr.sbin/dhcpd with -current source tree, but this didn't solve my problem anyway. 

# ls -la /usr/sbin/dhcpd
-r-xr-xr-x  1 root  bin  89956 Nov 12 15:48 /usr/sbin/dhcpd

# tcpdump -enivlan51 -Xvvs9999 port 67 or port 68
tcpdump: listening on vlan51, link-type EN10MB
15:49:13.301041 00:50:18:48:cb:3d ff:ff:ff:ff:ff:ff 0800 342: 192.168.51.3.68 > 255.255.255.255.67: [udp sum ok] xid:0x5e8ed704 C:192.168.51.3 vend-rfc1048 DHCP:RELEASE SID:192.168.51.254 CID:1.0.80.24.72.203.61 (ttl 64, id 57884, len 328) 
  0000: 4500 0148 e21c 0000 4011 a3dd c0a8 3303  [EMAIL PROTECTED];X3.
  0010: ffff ffff 0044 0043 0134 6d17 0101 0600  ????.D.C.4m.....
  0020: 5e8e d704 0000 0000 c0a8 3303 0000 0000  ^.W.....A;X3.....
  0030: 0000 0000 0000 0000 0050 1848 cb3d 0000  .........P.HE.=..
  0040: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0050: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0060: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0070: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0080: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0090: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00a0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00b0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00c0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00d0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00e0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00f0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0100: 0000 0000 0000 0000 6382 5363 3501 0736  ........c.Sc5..6
  0110: 04c0 a833 fe3d 0701 0050 1848 cb3d ff00  .A;X3=...P.HE.=?.
  0120: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0130: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0140: 0000 0000 0000 0000                      ........
15:49:17.371880 00:50:18:48:cb:3d ff:ff:ff:ff:ff:ff 0800 342: 0.0.0.0.68 > 255.255.255.255.67: [udp sum ok] xid:0x73d08ba secs:55475 vend-rfc1048 DHCP:DISCOVER CID:1.0.80.24.72.203.61 RQ:192.168.51.3 HN:"Suezou^@" VC:77.83.70.84.32.57.56 PR:SM+DN+DG+NS+WNS+WNT+WSC+VO+77 (ttl 64, id 64284, len 328) 
  0000: 4500 0148 fb1c 0000 4011 7e89 0000 0000  [EMAIL PROTECTED]
  0010: ffff ffff 0044 0043 0134 2ac8 0101 0600  ????.D.C.4*C(....
  0020: 073d 08ba d8b3 0000 0000 0000 0000 0000  .=.r,U;3..........
  0030: 0000 0000 0000 0000 0050 1848 cb3d 0000  .........P.HE.=..
  0040: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0050: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0060: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0070: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0080: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0090: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00a0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00b0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00c0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00d0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00e0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00f0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0100: 0000 0000 0000 0000 6382 5363 3501 013d  ........c.Sc5..=
  0110: 0701 0050 1848 cb3d 3204 c0a8 3303 0c07  ...P.HE.=2.A;X3...
  0120: 5375 657a 6f75 003c 074d 5346 5420 3938  Suezou.<.MSFT 98
  0130: 3709 010f 0306 2c2e 2f2b 4dff 0000 0000  7.....,./+M?....
  0140: 0000 0000 0000 0000                      ........
15:49:17.372109 00:1b:21:1e:2b:46 00:50:18:48:cb:3d 0800 344: 192.168.51.254.67 > 192.168.51.3.68: [udp sum ok] xid:0x73d08ba secs:55475 Y:192.168.51.3 S:192.168.51.254 vend-rfc1048 DHCP:OFFER SID:192.168.51.254 LT:3600 SM:255.255.255.0 DN:"oic.lv" DG:192.168.51.254 NS:195.13.171.6,195.13.160.52 RN:1800 RB:3150 [tos 0x10] (ttl 16, id 0, len 330) 
  0000: 4510 014a 0000 0000 1011 c141 c0a8 33fe  E..J......I;AA;X3
  0010: c0a8 3303 0043 0044 0136 7c88 0201 0600  A;X3..C.D.6|.....
  0020: 073d 08ba d8b3 0000 0000 0000 c0a8 3303  .=.r,U;3......A;X3.
  0030: c0a8 33fe 0000 0000 0050 1848 cb3d 0000  A;X3.....P.HE.=..
  0040: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0050: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0060: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0070: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0080: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0090: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00a0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00b0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00c0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00d0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00e0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00f0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0100: 0000 0000 0000 0000 6382 5363 0000 0035  ........c.Sc...5
  0110: 0102 3604 c0a8 33fe 3304 0000 0e10 0104  ..6.A;X33.......
  0120: ffff ff00 0f06 6f69 632e 6c76 0003 04c0  ???...oic.lv...A;
  0130: a833 fe06 08c3 0dab 06c3 0da0 343a 0400  X3..C'.+.C'. 4:..
  0140: 0007 083b 0400 000c 4eff                 ...;....N?
15:49:21.349393 00:50:18:48:cb:3d ff:ff:ff:ff:ff:ff 0800 342: 0.0.0.0.68 > 255.255.255.255.67: [udp sum ok] xid:0x73d08ba secs:55475 vend-rfc1048 DHCP:DISCOVER CID:1.0.80.24.72.203.61 RQ:192.168.51.3 HN:"Suezou^@" VC:77.83.70.84.32.57.56 PR:SM+DN+DG+NS+WNS+WNT+WSC+VO+77 (ttl 64, id 4893, len 328) 
  0000: 4500 0148 131d 0000 4011 6689 0000 0000  [EMAIL PROTECTED]
  0010: ffff ffff 0044 0043 0134 2ac8 0101 0600  ????.D.C.4*C(....
  0020: 073d 08ba d8b3 0000 0000 0000 0000 0000  .=.r,U;3..........
  0030: 0000 0000 0000 0000 0050 1848 cb3d 0000  .........P.HE.=..
  0040: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0050: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0060: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0070: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0080: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0090: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00a0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00b0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00c0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00d0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00e0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00f0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0100: 0000 0000 0000 0000 6382 5363 3501 013d  ........c.Sc5..=
  0110: 0701 0050 1848 cb3d 3204 c0a8 3303 0c07  ...P.HE.=2.A;X3...
  0120: 5375 657a 6f75 003c 074d 5346 5420 3938  Suezou.<.MSFT 98
  0130: 3709 010f 0306 2c2e 2f2b 4dff 0000 0000  7.....,./+M?....
  0140: 0000 0000 0000 0000                      ........
15:49:21.349586 00:1b:21:1e:2b:46 00:50:18:48:cb:3d 0800 344: 192.168.51.254.67 > 192.168.51.3.68: [udp sum ok] xid:0x73d08ba secs:55475 Y:192.168.51.3 S:192.168.51.254 vend-rfc1048 DHCP:OFFER SID:192.168.51.254 LT:3600 SM:255.255.255.0 DN:"oic.lv" DG:192.168.51.254 NS:195.13.171.6,195.13.160.52 RN:1800 RB:3150 [tos 0x10] (ttl 16, id 0, len 330) 
  0000: 4510 014a 0000 0000 1011 c141 c0a8 33fe  E..J......I;AA;X3
  0010: c0a8 3303 0043 0044 0136 7c88 0201 0600  A;X3..C.D.6|.....
  0020: 073d 08ba d8b3 0000 0000 0000 c0a8 3303  .=.r,U;3......A;X3.
  0030: c0a8 33fe 0000 0000 0050 1848 cb3d 0000  A;X3.....P.HE.=..
  0040: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0050: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0060: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0070: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0080: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0090: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00a0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00b0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00c0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00d0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00e0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  00f0: 0000 0000 0000 0000 0000 0000 0000 0000  ................
  0100: 0000 0000 0000 0000 6382 5363 0000 0035  ........c.Sc...5
  0110: 0102 3604 c0a8 33fe 3304 0000 0e10 0104  ..6.A;X33.......
  0120: ffff ff00 0f06 6f69 632e 6c76 0003 04c0  ???...oic.lv...A;
  0130: a833 fe06 08c3 0dab 06c3 0da0 343a 0400  X3..C'.+.C'. 4:..
  0140: 0007 083b 0400 000c 4eff                 ...;....N?

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