two subnets thru same wire

[James Cooley]

Q1 and Q2: Yes, as long as each pair is using the same subnet mask ( 
such as 255.255.255.0).

Q3: There should not be any problems.  The hub will pass all of the 
traffic going into it on all ports though.

Q4:  Using a switch would work as well, but it will improve bandwidth 
utilization, since it can route packets to their destination port 
instead of just retransmitting the packets on all of it's ports like a 
hub.

--James Cooley

On Mar 24, 2005, at 11:34 PM, Shiraz Baig wrote:

> My question realtes the fact, whether we can have two
> subnets passing thru same wire and communicating with
> each other. The two subnets are:
>                   -----------------
>                   |     Hub       |
>                   -----------------
>                    |    |   |   |
>   -----------------     |   |   ---------------
>   |              -------    -------            |
>   |              |                |            |
>   192.168.10.3   |                |       192.168.11.5
>       A      192.168.11.3      192.168.10.5    D
>                   B                 C
>
>    It is a six port Hub. Four hosts with IP addresses
> given above are attached to the hub. There are two
> subnets 192.168.10.0 and 192.168.11.0.
> The netmask is 255.255.255.0 in all cases.
>
> Q1: Will Host A be able to talk to Host C?
> Q2: Will Host B be able to talk to Host D?
> Q3: If the communication is possible, are there likely
> to be any problems?
> Q4. If instead of switch, we use hub, will it make any
> difference?
>
>
>
> 		
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