Re: VPN connection using ISA Server 2000
- From: "Marrow K.L. Yung" <marrow.yung@xxxxxxxxxxxxxxx>
- To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
- Date: Fri, 16 Jan 2004 23:39:10 +0800
thanks
Very best regards,
Marrow Yung.
-----Original Message-----
From: mario tognetti [mailto:martog@xxxxxxxxxx]
Sent: Friday, January 16, 2004 2:31 AM
To: [ISAserver.org Discussion List]
Subject: [isalist] Re: VPN connection using ISA Server 2000
http://www.ISAserver.org
thanks
mario tognetti
----- Original Message -----
From: "Jim Harrison" <jim@xxxxxxxxxxxx>
To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
Sent: Monday, January 12, 2004 6:46 PM
Subject: [isalist] Re: VPN connection using ISA Server 2000
> http://www.ISAserver.org
>
> VPN connections are much more CPU-hungry than most others, if for no other
reason, than the encryption calculations that have to
> occur for each and every packet.
>
> Watch your CPU usage compared to RRAS connection counters. If you see CPU
above 50% for only a few connections, it's time to move
> up to a better machine or try a crypto-offload card.
>
> Jim Harrison
> MCP(NT4, W2K), A+, Network+, PCG
> http://www.microsoft.com/isaserver
> http://isaserver.org/Jim_Harrison
> http://isatools.org
>
> Read the help, books and articles!
> ----- Original Message -----
> From: "Ray Dzek" <rdzek@xxxxxxxxxxxxxxx>
> To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
> Sent: Monday, January 12, 2004 09:14
> Subject: [isalist] Re: VPN connection using ISA Server 2000
>
>
> http://www.ISAserver.org
>
> ----- Original Message -----
> From: "Jim Harrison" <jim@xxxxxxxxxxxx>
> To: "[ISAserver.org Discussion List]" <isalist@xxxxxxxxxxxxx>
> Sent: Monday, January 12, 2004 7:30 AM
> Subject: [isalist] Re: VPN connection using ISA Server 2000
>
>
> > http://www.ISAserver.org
> >
> > My point was that regardless of the NIC you install, the primary
limiting
> factors will still be the Internet connection and the CPU
> > itself.
> > IMHO, you'd be best served by moving your VPN server to the ISA itself
and
> let Windows RRAS handle the job.
>
> Are there any benchmarks that you are aware of that show CPU/VPN session
> requirements. Since we do use ISA as our primary VPN server as well, I
have
> certainly, in hindsight now, noticed a performance degredation since we
> started moving our outside-sales to VPN connections. The existing box is
> only a P-III/450
>
> >
> > Jim Harrison
> > MCP(NT4, W2K), A+, Network+, PCG
> > http://www.microsoft.com/isaserver
> > http://isaserver.org/Jim_Harrison
> > http://isatools.org
> >
>
>
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No.1 Exchange Server Resource Site: http://www.msexchange.org
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