Re: ISA Server is choking my bandwidth

From: Akhlaq Khan (akhlaq.khan_at_pk.softechww.com)
Date: 03/04/05 

Date: Fri, 4 Mar 2005 16:47:38 +0500

one more thing... i also wanna know what is the hardware requirement for isa
server 2004 serving 30 nodes ?

i am running Pentium 4, 2.8 Ghz, 256 MB RAM with windows server 2003.

akhlaq.

"Akhlaq Khan" <akhlaq.khan@pk.softechww.com> wrote in message
news:euUZ49KIFHA.3484@TK2MSFTNGP12.phx.gbl...
> hi,
> i recently switched from isa server 2000 to isa server 2004 in my office.
my
> office network contains around 40 nodes out of which 25-30 have internet
> access.
>
> the problem that i am facing with isa server is that it seems to be
choking
> the 800 Kbps DSL bandwidth. i have PRTG software which monitors the
internet
> traffic going through the DSL modem over SNMP. when i browse on the ISA
> server itself and try to download a file,i can see most of the bandwidth
> being used and download taking place at an acceptable rate of 40 Kbytes/s
> (multiple downloads in parallel consume all the bandwidth) which means
there
> is no problem at the ISP end. but on the workstations the same file
download
> take place on a pathetic 2-3 Kbyte/s rate and the PRTG graph also stays
> around 5-10 Kbps. which means that ISA server is choking the bandwidth
> somehow.
>
> when i tried to troubleshoot the problem i noticed that i added some
> "connectivity verifies" to verify DNS, DHCP and Active Directory servers a
> few days back, when i disabled them, i noticed a considerable differnce of
> 10 Kbyte/s in download speed from the client machines. but still, this is
> not enough since i have at least 50 kbyte/s being wasted.
>
> can anybody help me understand what else might be causing this bandwidth
> choke ?
>
> it's kinda urgent so a quick response will be HIGHLY appreciated,
>
> thanks,
>
> akhlaq.
>
>

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