Preacher Man said:
I did check one of clients that was giving some broadcast. The IPCONFIG
said they were in Hybrid mode. Since this is right what else could be
broadcasting? I also left in a previous thread asking how to tell what kind
of broadcast it is?
That is a good START but it won't prevent all
NetBIOS broadcasts (since Hybrid does WINS
server first AND then tries broadcasts if the target
is not found.)
Two main reasons for the target not being found:
1) Target is an internal NetBIOS machine that is NOT a
WINS client and so not registered (as it should
be.)
2) Target is NOT an internal machine and we are searching
WINS (uselessly) and then broadcasting for something
that will never be found -- this is cause by an often overlooked
setting which has DNS fail over to NetBIOS METHODS
when it fails to find resolution -- there is a registry setting
for this somewhere, and if your DNS is properly setup it can
be disabled.
3) This previous will also happen for a MISTYPED NetBIOS
name (uncommon for most users who click) or a NetBIOS
name that is still in the browse lists but where the machine
is now down or otherwise unreachable.
It you were REALLY concerned about NetBIOS broadcasts you
could set P-Node NetBIOS clients but this is seldom worth the
trouble nor worth losing the occasional case where the broadcast
is helping you (even in a properly installed network.)
Remember, EVERY machine should be a client of the WINS server
(even the WINS server itself.)
Oh, and there is a fourth category: old machines, UNIX machines,
etc who for some reason don't have a WINS client stack but for
these you can always add a static WINS server entry if you really
wish to avoid these.