GRE Limitation

[Greg Hennessy]

Angelo Turetta wrote:
> Rudi Kramer - MWEB wrote:
>> I had the same issue and when I checked with our ms-admin team they said
>> it was a Microsoft limitation.
>
> Quite the opposite. Since Windows2000 MS introduced, or started using, 
> a CallID in the GRE header.
Indeed.
>
> Remember, many-to-one NAT has only become widely used/mandatory in 
> recent years, 
I wouldn't say that recent, trying to get address space out of RIPE for 
the past decade is like pulling teeth.

> I remember getting a full ClassC subnet from my first provider 
> (128Kbps, ca. 1995-1996) without even asking.

Those were the days, I can remember having a conversation with Pipex 
here in the UK circa 1994 where their account manager asked if a /24 
would be enough for the 64k line I was connecting. His assured me that 
they recommended at least 2 and that 4 * /24s wouldn't be a problem.

Considering I was plumbing connectivity using SCO and the TIS FWTK at 
the time, a /29 was overkill.


Regards

Greg


>
> Angelo Turetta
> Modena - Italy
>
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