Re: [LARTC] New hardware

[Mohan Sundaram <smohan@gmail.com>]

I used a SunFire x2100 which has 2 Ghz Opteron and PCI-Xpress slot into 
which I plugged in a dual port gigE Intel PCI-Xpress card.

Got a raw forwarding performance of 800Kpps for 64B packets. This beat a 
CISCO 3845 which gave 600Kpps.

Raw forwarding is one measure though it is not the end-all.

Mohan
Marek Kierdelewicz wrote:
>> Hi! 
> 
> Hi
> 
>> reason of hardware upgrade is growing up number of users, also we are
>> planning to increase upstream link from 100 Mbit/s to 1 Gbit/s.
> 
> If you want to move around 1Gbit/s you need PCI-X or PCI-E network
> interfaces (PCI bus would be a bottleneck).
> 
>> 1) Server based router (with dual core Xeon CPU) 
> 
> I've been using for some time now router with 2xsingle-core Xeon CPU
> for servicing 2k+ users. It works well. 
> 
>> 2) Desktop based router (with newest Intel Core 2 Duo CPU) 
> 
> Did't have a pleasure. I'd like to hear some opinions on that one too.
> 
>> 3) what about AMD (I have no personal experience with them)? 
> 
> I'm trying to use unorthodox hardware setup for fast router:
> 
> Dual core AMD64
> desktop motherboard with 2xPCIe x16 slots (SLI capable motherboard)
> two PCIe x4 intel E1000 Server network adapters
> 
> Preliminary tests look promising. Network adapters mentioned above
> should in theory do better then previous PCI-X network adapters.
> 
>> As I know, 64-bit architecture in router specific tasks doesn’t
>> give any performance boost? Maybe there are some other nuances that I
>> need to know (kernel hacking, hardware hints)? 
> 
> I think 64-bit architectures can do much better then 32-bit ones... at
> least on 64-bit kernel.
> 
>> I’m going to use standard Intel E1000 NIC for 1 Gbit/s speed
>> line, is it a good choice? 
> 
> Best choice as far as I know. Anyone would sugest something else?
> 
> Regards,

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