[K12OSN] The Dreaded DHCP on port 1067

[Dan Eliot]

Hello,

I've been fighting with my LTSP server for a long while now, and I could
use some advice.  My school is such that I can't put the thin clients on
their own hub/switch... instead I need to share the LAN with another DHCP
server.  With this in mind, I have:

(1)  Set up the server to use DHCP port 1067 (following directions to make
this work in dhcpd.conf and dhcpd files.
(2)  Set up the etherboot floppies correctly to look for port 1067.  I
want to use floppys so I can use the machines "normally" as Win95
machines, or with LTSP at the drop of a floppy.

The clients seem to make the first DHCP request OK, and everything is fine
until later in the game (and much screen activity later) when I see
"Running DHCPD on port 67" and then "Kernel Panic".  This is after IPs
have been picked up, etc.

Another added issue is that use of "ethtool" shows me that one NIC is in
full duplex mode, while the second is in half duplex mode.  I think I've
solved this by adding the following commands to /etc/rc.local:

ethtool -s eth1 speed 100 duplex full autoneg off
ethtool -s eth0 speed 100 duplex full autoneg off

Checking eth0 and eth1 after these commands are executed shows them both
in the same mode.

Anyway, any help would be appreciated in getting DHCP to STAY with port 1067.

Dan
PS:  Here is some command window output in case it is useful:

Settings for eth0:
        Supported ports: [ TP MII ]
        Supported link modes:   10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
        Supports auto-negotiation: Yes
        Advertised link modes:  10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
        Advertised auto-negotiation: No
        Speed: 100Mb/s
        Duplex: Full
        Port: MII
        PHYAD: 24
        Transceiver: internal
        Auto-negotiation: off
        Current message level: 0x00000001 (1)
        Link detected: yes
[root at ELD-0506-LT01 ~]# ethtool eth1
Settings for eth1:
        Supported ports: [ MII ]
        Supported link modes:   10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full



eth0      Link encap:Ethernet  HWaddr 00:01:02:FD:35:98
          inet addr:10.11.150.6  Bcast:10.11.150.255  Mask:255.255.255.0
          inet6 addr: fe80::201:2ff:fefd:3598/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:175637 errors:0 dropped:0 overruns:1 frame:0
          TX packets:31873 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:16627274 (15.8 MiB)  TX bytes:41815631 (39.8 MiB)
          Interrupt:50 Base address:0x4f80

eth1      Link encap:Ethernet  HWaddr 00:13:72:9D:D6:4E
          inet addr:10.11.150.5  Bcast:10.11.150.255  Mask:255.255.255.0
          inet6 addr: fe80::213:72ff:fe9d:d64e/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:64355 errors:0 dropped:0 overruns:0 frame:0
          TX packets:85 errors:0 dropped:0 overruns:0 carrier:0
          collisions:6 txqueuelen:1000
          RX bytes:5365069 (5.1 MiB)  TX bytes:16208 (15.8 KiB)
          Interrupt:169

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:2570 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2570 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:3874647 (3.6 MiB)  TX bytes:3874647 (3.6 MiB)

                                1000baseT/Half 1000baseT/Full
        Supports auto-negotiation: Yes
        Advertised link modes:  Not reported
        Advertised auto-negotiation: No
        Speed: 100Mb/s
        Duplex: Full
        Port: Twisted Pair
        PHYAD: 1
        Transceiver: internal
        Auto-negotiation: off
        Supports Wake-on: g
        Wake-on: d
        Current message level: 0x000000ff (255)
        Link detected: yes