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From: Mohan Sundaram <smohan@gmail.com>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] New hardware
Date: Wed, 23 Aug 2006 08:21:19 +0000	[thread overview]
Message-ID: <44EC0D2F.7050306@vsnl.com> (raw)
In-Reply-To: <1156175178.44e9d54a18bd1@www.inbox.lv>

Marek Kierdelewicz wrote:
> Hi there,
> 
>> 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.
> 
> What was the software configuration of this host? What kernel
> have you used for the test (compiled for x86 or amd64; dual-core
> aware sheduler or not).
> 
> Out of the curiosity ... dual port nic generates one interrupt or two
> per port? I asume the first is more probable. This leads to another
> question - has interrupt been balanced between cores? 
> 
>> Got a raw forwarding performance of 800Kpps for 64B packets. This
>> beat a CISCO 3845 which gave 600Kpps.
> 
> Thanks for the input :).
> 
> Right now my production border router (BGP+some firewall rules+some QoS,
> vlans @ P4 3GHz Linux 2.6, 2xBroadcom PCI-X, 1xIntel E1000 PCI-X) is 91%
> saturated (CPU) at peek hours and during the time it forwards 344,8Kpps
> with avg. packet sized 69 bytes.
> 
> I'll try to determine raw forwarding performance when box goes out
> of production env, so we'll have a clear comparison picture.
> 
> regards,

The beauty was the price. $725 for the SUN hardware and $200 for the NIC 
card. The CISCO 3845 would cost 9K street minimum.

Mohan
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      parent reply	other threads:[~2006-08-23  8:21 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-08-21 15:46 [LARTC] New hardware Jurijs Petrovs
2006-08-21 16:16 ` Marek Kierdelewicz
2006-08-22  2:21 ` Mohan Sundaram
2006-08-23  7:51 ` Marek Kierdelewicz
2006-08-23  8:17 ` Mohan Sundaram
2006-08-23  8:21 ` Mohan Sundaram [this message]

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