[K12OSN] The Dreaded DHCP on port 1067
cliebow at midmaine.com
cliebow at midmaine.com
Fri Dec 22 21:02:04 UTC 2006
did you appy option 128/9 to tell the kernel to look for dhcp on 1067 at
second dhcp inquiry? i use 1001/2 on my networks with proma and flopps
> 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
>
>
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