As stated CPU / RAM are your primary concern here. If your CPU usage is high,
your throughput will be limited as such. One other consideration for ClamAV is
disk speed. The file is downloaded to your EFW disk, scanned by clamav, then
passed through to your client. If the disk is slow, that can be a factor.
I have an INTEL atom based EFW running IPS/Proxy/CLAMAV etc and I'm able to
fully utilise my 20mbit connection, however I do see ~90% cpu usage and I have
an SSD hard drive to improve the 'speed' of clamav. I imagine you would need
the newer generation, dual core atom's or a Core i3+ to cope with all the
services on a 100/100mbit link.
Hope that's helpful.
From: compdoc [mailto:comp...@hotrodpc.com]
Sent: Thursday, 21 March 2013 12:43 AM
To: efw-user@lists.sourceforge.net
Subject: Re: [Efw-user] Bandwidth and Thruput
>the NICs are 3COM and Realtec 10/100MBit/s
>CPUload is about 80%
100baseT = 100 Mbps = 12.5 MBps
EFW depends on the speed of the host cpu and on the network cards. Because of
overhead and the limits of older computer buses and cpus, I don't believe you
will get much more than 7MBit/s using 100baseT nics.
I also do not believe 3Com nics are known for their speed.
What cpu is in the firewall, and how much ram? These are very important when
processing your enabled services.
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