On 5/15/06, Christoph Litauer <[EMAIL PROTECTED]> wrote:
What can I do next if the DTU is places about 100 miles away? Any other
ways to reset a DTU?
There's no Sun Ray command that will reset a single DTU. However,
if you can interfere with the DTU's connection to the Auth Manager
daemon on the server then that might get it to reset. It will certainly
get it to disconnect, which is probably all you really need. To break
that connection you can log in to the server and then do one of:
- if the DTU is on a directly-attached subnet then poison its ARP
cache entry ('arp -s <ip-of-DTU> 01:12:23:34:45:56'). Or,
- if the Sun Ray is on a remote subnet then create a host route
for the Sun Ray that sends its packets into oblivion. Something
like 'route add -host <ip-of-DTU> 127.0.0.1 1
The ARP cache poisoning should be self-repairing when the Sun Ray
reboots but if you want to be really safe then you can delete the poisoned
entry ('arp -d <ip-of-DTU>') after a couple of minutes. The blackhole route
trick is *not* self-repairing, you *must* remember to delete the blackhole
route ('route delete -host <ip-of-DTU> 127.0.0.1') after a couple of minutes
if you ever want to be able to talk to the Sun Ray's old IP address again.
OttoM.
__
ottomeister
Disclaimer: These are my opinions. I do not speak for my employer.
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