Re: 2.4.20rc1 NFS V3 UDP client problems

[Eric Whiting <ewhiting@amis.com>]

Both of these NICs seemed to have the same behavior.
<6>eth0: Intel(R) PRO/1000 Network Connection
<6>eth1: NetGear GA620 Gigabit Ethernet at 0xea060000, irq 11

Yes -- I'm running on a 32bit/33Mhz bus right now. I do have a Sun 280R
with a 64bit/66Mhz card in a 66Mhz slot that doesn't even seem to
support jumbo frames at all.

eric



Benjamin LaHaise wrote:
> 
> On Thu, Nov 14, 2002 at 04:13:42PM -0700, Eric Whiting wrote:
> > I tried various MTU values headed gradually towards 9000. I found that a
> > MTUs between 1500 and 7500 give me the expected performance. MTU values
> > of anything much more than that causes problems given my setup.
> 
> Which NIC?  Some chipsets (like ns83820) only have an 8KB TX fifo and end
> up doing two passes over the data for larger packet sizes.  Also, running
> gige with a standard 32bit/33MHz bus is pretty close to the limits.
> 
>                 -ben


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