There's not enough info for us to troubleshoot your problem but here are a
couple AppleTalk factoids that might help you troubleshoot:
AppleTalk doesn't broadcast. Instead, AppleTalk uses data-link-layer
multicasts. When there are no zones, AppleTalk nodes send multicasts to the
09:00:07:FF:FF:FF destination address. For example, when a Mac tries to
find a printer, it sends a Name Binding Protocol multicast looking for all
printers.
When zones are present, stations multicast to all other devices in their
zone. The multicast address is based on a hash algorithm applied to the
zone name. Usually, with no router, there are no zones. But lately
companies have taken to using a Windows NT server as a zone server to
divide up AppleTalk nodes that are all in one segment into separate zones.
So, check your switches to make sure they can forward AppleTalk multicasts.
That's probably a good starting point, anyway. Another good thing to do
would be to use a protocol analyzer to see what's going on.
Priscilla
At 03:35 PM 2/20/01, Jeff wrote:
>I have a vlan on my 4006 that has nothing but Macs and one HP printer.
>
>AppleTalk enabled on the Macs
>No routing of AppleTalk since they're in their own Vlan
>
>Problem is that some of the Macs can see the printer while others can't. I'm
>assuming that I don't need to route if all the nodes are in one vlan? Any
>ideas?
>
>Thanks,
>Jeff
>
>
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Priscilla Oppenheimer
http://www.priscilla.com
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