Over the past six months or so we've had problems with the status of
our machines not refreshing in Remote Desktop, which makes it
difficult if not impossible to send unix commands or perform other
automated tasks on one or more client machines. Using the scanner set
to either Bonjour or Local Network will refresh some, but not all of
the clients (most remain greyed out).
There are two recent changes in our LAN setup which I believe relate
to this issue. First was upgrading from our old Linksys firewall to a
SonicWall NSA 240. Second, and I believe this may be the key, was re-
numbering our network from a traditional 192.168.x.x (class-c) address
space to a 172.19.x.x (class b). Everything on the LAN is on a single
subnet with an identical 255.255.0.0 mask, though machines are grouped
according to type as if they were class C subnets (i.e. .10 for
workstations, .20 for render machines, etc).
Could my problems be the result of a bug in ARD, or is there a known
limitation as to what addressing schemes will work with it?
Reinstallation of course has not resolved the problem. I am currently
running ARD 3.2.2, both admin and client, and a mixture of MacOS X
10.5.5 and 10.5.7 on my machines. I have heard of other people having
similar issues since upgrading to MacOS versions after 10.5.5, but
Apple of course has not addressed or acknowledged any such issues.
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