| To: | Ben Greear <greearb@xxxxxxxxxxxxxxx> |
|---|---|
| Subject: | Re: Ethernet bridge performance |
| From: | Andi Kleen <ak@xxxxxxx> |
| Date: | Sun, 10 Aug 2003 21:47:23 +0200 |
| Cc: | Felix Radensky <felix@xxxxxxxxx>, Robert Olsson <Robert.Olsson@xxxxxxxxxxx>, netdev@xxxxxxxxxxx, "Feldman, Scott" <scott.feldman@xxxxxxxxx> |
| In-reply-to: | <3F368B3A.3070009@candelatech.com> |
| References: | <3F3217E7.2080903@allot.com> <3F3284EA.5050406@candelatech.com> <3F328A0F.3040005@allot.com> <16178.41976.3643.584516@robur.slu.se> <3F3601F3.6000001@allot.com> <3F368B3A.3070009@candelatech.com> |
| Sender: | netdev-bounce@xxxxxxxxxxx |
> >Speaking of checksumming. This can be a problem indeed. ethtool -S shows > >a lot > >of rx_csum_offload errors. Scott, what could possibly be a problem ? The > >NIC > >is dual port 82546, driver is 5.1.13-k1. > > Why would a bridge be checksumming anything? A NIC normally checksums every incoming packet when hardware checksumming is enabled. But of course the bridge doesn't use that information. -Andi |
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