Re: 3c59x w 905B Cyclone limited to 10 MBit
Bogdan Costescu <[email protected]>
| Newsgroups | gmane.linux.drivers.vortex.devel |
|---|---|
| Message-ID | <Pine.LNX.4.44.0306132243280.26312-100000@kenzo.iwr.uni-heidelberg.de> |
On Fri, 13 Jun 2003, Ralph Stuber wrote: > But if I want to scp a file from my amd 700 to my p133, I only see about > 1 MB/sec in both directions, as one would expect for ... ... such a slow CPU. scp uses encryption before sending data to the remote host; then data is decrypted and written to disk. Both encryption and decryption are CPU intensive processes. If you want to test the network speed either transfer files through something like "netcat" which just sends data directly over the network or use specific tools like ttcp or netperf. However, the p133 as a whole might not be able to sustain high data rates close to the theoretical limit of FastEthernet. Check the archives of this list, a few days ago we had a very similar topic. > But the tools mentiones earlier on this list seem to indicate that > everything shoul be ok. And it is indeed. All diag output indicates good settings. > I loaded the driver as module with options=0x0208 and hw_checksums=1 on > my p133, and on amd700 with options=0x0608 and hw_checksums=1. You should probably not use any options. IIRC some Cyclone cards were not very reliable when doing hardware checksumming. If you experience errors, try switching it off. -- Bogdan Costescu IWR - Interdisziplinaeres Zentrum fuer Wissenschaftliches Rechnen Universitaet Heidelberg, INF 368, D-69120 Heidelberg, GERMANY Telephone: +49 6221 54 8869, Telefax: +49 6221 54 8868 E-mail: [email protected] _______________________________________________ vortex mailing list [email protected] http://www.scyld.com/mailman/listinfo/vortex