Could you run a second DHCP server? If your router/firewall will allow you to register MAC addresses for DHCP then you could have both coexist.

Don't put the MAC addresses of the thin clients into the firewall appiance, but do put them into your second (LTSP) dhcp server. Set the second (LTSP) one to not-authoritative and all your DHCP clients should be able to coexist happily. The non-LTSP ones will get their info from the firewall appliance and the LTSP clients will get theirs from the LTSP DHCP server (which could also be the LTSP server itself).

Teresa Jeremy wrote:

I'm using a router/firewall appliance as my dhcp server. As a result, it is not possible to specify the root-path DHCP option.

Is it possible to force my ltsp RAM image to use nfsroot directive in my pxelinux.cfg\default file instead of looking for it in the DHCP offer packet?

I've tried

label lts
kernel bzImage-2.4.22-ltsp-1
append init=/linuxrc rw root=/dev/ram0 nfsroot=192.168.0.29:/opt/ltsp/i386 initrd=initrd-2.4.22-ltsp-1.gz


However, the dhclient apparents to ignore this parameter.


Thx. TJ



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