Re: Subnet expansion

[Les Mikesell <lesmikesell@xxxxxxxxx>]

On 7/28/11 4:18 AM, John Doe wrote:
> >
>> 2. If I keep some machine with 22 subnet mask, will it still be able
>> to talk to the other machines in it's range?

Linux boxes seem to mostly work with the wrong netmask, but I've seen things 
that don't.  Your subnet broadcast will be wrong.

> They would talk to 10.1.16.1-10.1.19.254 ones, but would go for the gateway for 10.1.20.1-10.1.31.254

But the gateway may send an icmp redirect, knowing you should be able to reach 
the target directly.  I'd recommend fixing everything to match as soon as possible.

-- 
   Les Mikesell
    lesmikesell@xxxxxxxxx

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