WebGUI dying under heavy load (Internal Server Error 500 etc.) ?
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 I have now tryied with a different setup: pfSense testet with: Motherboard: MSI MS-6723 
 CPU P3 933Mhz
 Memory: 256MB SD DDR 400
 NICs: Realtek 8139Now i was able to get aproxx 96MBit (i guess the NICs couldnt handle more…) 
 Interrupt load was 83%.. leaving the system 100% stable and accessable..maybe the other HW wasnt 100% compatible with pfSense.. or? is there any recommandations wich HW to use ie. wich chipset, cpu, mem, nics etc? 
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 Thats interesting you and databeestje both had good throughput on a P3 system. Your P4 box didn't work as well. Wonder if its the processor or the NIC cards. 
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 That is VERY interesting that you are able to saturate the ethernet and access the system with different nics. That makes me wonder. 
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 @sullrich, i didnt understand your answer? 
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 It's just interesting that there was such a difference between your setups. From the tests we did with different hardware/nics it looks like the problem always occurs when cpu is going to 100% no matter what hardware we used. Some nics will reach the 100% level sooner or later due to causing more or less cpu load at the same system but the problem was more or less always the same. 
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 I belive that the difference in througput was so different becouse the drivers wasnt correct. I have tryed Celeron 633-S370/P3 933-S370 with good performance and with bad, depending on the motherboard, and the same with P4/C4 systems, 
 but in any case the type of NIC´s wasnt important.. the diffenrence between a Realtek 8139 and 3Com/Intel etc. was below 2-3MBit/sThats why i ask: What HW is the best to use? What is pfSense written to? Im no router/pc newbie, but i am pretty new in *nix environment.. 
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 Whatever works with freebsd 6.1 as pfSense is based on that. Did you try a biosupgrade on the box with the poor performance? Also maybe some Biossettings might improve perfomance. 
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 Yes i tryed upgrading the BIOS and also some bios-settings.. didnt have any effect.. 
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 Btw, I have Via C3 Nehemia 1 GHz miniITX based systems that can deliver 100 mbit/s wirespeed at around 80% CPU load (last time I tested). I'm going to buy an appliance and I'm trying to find the best price/performance solution. Your Via C3 Nehemia 1 Ghz miniITX base system from which manufacturer? (Hacom?) Which model? (Lex Neo?) Any conseil will be appreciated. Thanks in advance. 
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 It's a standard via miniitx board with vr nics that I put into a dual travla 1U case (actually 2 boards in the same 1U case). It's build from pieces and was not a full system that I ordered.