Damiano Fasoli wrote:
> I have worked with the following configuration
> in a single network segment made up by UTP Cat 5 cables and HP autosensitive
> network switches.
>
> Some hosts, i.e. servers and many clients, have an address in the subnet
> 10.0.0.0/16.
> For example server1 is 10.0.0.4, subnet mask 255.255.0.0, and client1 is
> 10.0.10.111, subnet mask 255.255.0.0
>
> However there are some clients, i.e. superclients, inside the same network
> which use a different subnet mask; for example superclient1 is 10.0.0.199,
> subnet mask 255.255.255.0
>
> The reason of this choice is the will to "keep" superclients invisible to
> normal clients.
> For example server1 and client1 can ping each other since they're both in
> the 10.0.0.0/16 subnet
> Server1 and superclient1 can still ping each other (EVEN THOUGH THEY USE
> DIFFERENT SUBNET MASKS) since they're both in the 10.0.0.0/24 subnet.
> Superclient1 and client1 can't ping each other and this works as wanted.
>
> HOWEVER NETWORK SOMETIMES GOES DOWN FOR THREE OR FOUR MINUTES, FOR EXAMPLE
> SERVER1 AND CLIENT1 CAN'T PING NO MORE EACH OTHER FOR SUCH A WHILE.
> (In Win2k the cable is always connected as said by the windows icon)
>
> IS THERE ANYBODY WHO MAY HELP ME TO UNDERSTAND IF THIS DAMAGE IS DUE TO THE
> USE OF TWO DIFFERENT SUBNET MASKS IN THE SAME NETWORK SEGMENT, OR THERE ARE
> MORE BASIC PROBLEMS?
>
> Servers and Win Server 2003, clients Win2K and superclients WinXP pro.
>
> Any help should be very appreciated...
>
> Best regards
> Damiano
>
1. Sick headers in the message, wrong follow-up address.
2. Not a single Linux host in network: off-topic.
3. Get a good book, e.g.
W. Richard Stevens, TCP/IP Illustrated
and learn.
Tauno Voipio
tauno voipio @ iki fi
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