PPTP suddenly allows multiple users from same nat to dialin to same host???

So lets say I'm sitting at home and I PPTP dial-into my corporate office from a PC on my home network. Connect to some resources, and do my thing. Then later lets say I am at a different PC at home and dial-in via PPTP to my office from it, while I'm also dialed in from the other PC at home. In the past, that would not have worked - it's always been an issue with have 2 hosts behind the same NAT connected to the same external host - it would knock one or the other off the network.

Suddenly it's working though and I'm not sure why... I recently upgrade my home router to a DLINK DIR-655 which I wouldn't think would make a big difference, but is this just something that's been around now for a while and I hadn't noticed or is this weird to anyone else??
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intelliwyseAsked:
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arnoldCommented:
You might nt be enforcing the one session on the pptp server.
Wile the wan ip for both connections remins the same the source port is what differentiates the two connections. The server configuration is the limiter/enforcer of the single session.
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