> Thomas> Discovering my network tkined complains about an invalid
> Thomas> netmask of "0.255.255.255" for appr. 50% of all clients.
> Thomas> Message, for example: "Please check the netmask 0.255.255.255
> Thomas> for 1.1.4.174 on class A network 1."
> Thomas> We use the netmask 255.255.255.0, [...]
> hmm, sounds you have devices in your network building an byte-swapped
> and therefore wrong icmp mask-reply.
> are these devices with the 0.255.255.255 netmask reply from the same
> manufacturer ?
due to the big number of devices difficult to answer.
We have a complete Fiber Optic network and currently uses FOIRL NIC only from
Allied Telesyn (except for servers with fast ethernet). Most used NIC modell is
the AT-2450FT, but we also have some AT-1500 and AT-1700 and a few 2450F cards.
All with the latest drivers.
Back in the office I will check which NIC modell the failed machines has.
BTW, after installing our new 3Com switches I tried their free management
tool for NT 4. This software didn't complaint about an netmask error,
everything is "green" and ok.
Thomas
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