[c-nsp] PPTP devices

Phil Mayers p.mayers at imperial.ac.uk
Mon Jul 20 12:47:58 EDT 2009


Daryl G. Jurbala wrote:
> I'm in the unfortunate position of having to support a bunch (100 or  
> so now, 300 or so very soon) PPTP connections.
> 
> Right now I'm using a 3825, and based on CPU performance it looks like  
> I'll be lucky to get 200 on this thing with my typical end use usage  
> patterns.
> 
> Cisco seems to be pretty poor with rating PPTP performance on their  
> devices, and would rather talk about L2TP (I don't blame them - it  
> appears that pptp support has been dropped from the ASAs entirely).
> 
> Does anyone have any idea what would be a good box for 300 to 500 (or  
> even more) PPTP connections?  The old VPN3000s seem to support this,  
> but I can't get any real numbers on how many connections I can  
> realistically support.  I was thinking of just finding some powerful  
> CPU IOS boxes and calling it a day on this one.  Any better ideas?

Depending on what exactly you need to do, you might consider Linux + 
Poptop. We run it for our remote access VPN, and it serves many hundreds 
of users at pretty high traffic rates with no real problem.

Obviously getting a beefy intel machine is a lot cheaper than a beefy 
cisco CPU router (and probably a lot faster too)


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