RE: FN-FORUM: TCP/IP Properties

date posted 1st February 2007 14:20

[EMAIL REMOVED] wrote:
>> Dominic,
>>
>> Subnet mask of 255.255.255.255 means you are on a network with one
>> solitary IP address, namely the one you yourself are using.
> The most
>> exact subnet you can ever want is 255.255.255.254 and even that only
>> allows for one other address. Most common subnets are 255.255.255.0
>> which means any address with same first three octets is on your
>> network or 255.255.0.0 which means any address with same first two
>> octets is on your network.
>>
>> If you want a more exact explanation of subnets I am sure you can
>> google it up, but I am pretty sure that is where the problem lies,
>> despite the error message seeming to indicate otherwise.
>>
>> HTH,
>>
>> Dai
>
> Hi Dai,
>
> Thanks for your help.
>
> The machine is a dedicated server with 1&1 which started
> behaving oddly a couple of days ago. Support have looked at
> the machine now and turned DHCP on but all the settings have
> remained the same including the subnet mask (using ipconfig
> /all)!? It appears I have a machine doing the impossible!
>
> Cheers, Dom

Eeek, evil 1&1 are running their own TCP/IP stack now, bad hosts, bad.
Seriously,I can't see how that can work if those are truly the settings they
are using, but maybe it is converted to a sensible mask somewhere further
down the chain. Anyone want to bolster my sanity and confirm that that
subnet is just plain wrong?

Dai

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TechnologyAngel
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