You can certainly run multiple subnets on a single layer 2 network, but at this
point your not segmenting traffic correctly, which means traffic from each of
the subnets is "visible" to all of the other subnets - if someone assigns an IP
on another subnet, they can access the traffic, and even without that, if they
can put the network interface into promiscuous mode, they can see all of it,
anyway. So, there are some security implications there, along with bandwidth,
broadcast, multicast, etc., concerns.
-Nick
>>> On 2009/12/17 at 15:07, Freddie Cash <fjwcash@xxxxxxxxx> wrote:
> On Thu, Dec 17, 2009 at 1:59 PM, Sachin Goel <SACHIN.GOEL@xxxxxxxxxx> wrote:
>
>> Isn't it possible that with only one bridge we have the virtual machines in
>> different physical subnets, if the gateway is configured to handle that ?
>>
>
> With only 1 bridge, you only have 1 physical network connection, thus you
> only have 1 physical network. You can have multiple logical subnets
> configured to use that network (192.168.0.0/24, 192.168.1.0/24,
> 192.168.2.0/24, etc). But it's only 1 physical subnet. (Although, I guess
> "subnet" is the wrong terminology here.)
>
>
> --
> Freddie Cash
> fjwcash@xxxxxxxxx
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