3com 3c905C-TX driver bug: incorrect FLOW Control, speed using MII..
Will Richmond <[email protected]> Wed, 18 Feb 2004 16:32:35 -0800
| Newsgroups | gmane.linux.drivers.vortex.devel |
|---|---|
| Message-ID | <[email protected]> |
We are experiencing what appears to be a bug in the 3com 3c905C-TX drivers for redhat linux enterprise version 7.X. Our Cisco and 3com switches are hardset for 100 FD, no flow control in either direction. We also set the servers to match, and in certain circumstances are saw slow network performance. Normal 100 Mbps traffic rates should be around 10000 KBps both ways. We were seeing around 1/10 of this in the hard configured mode on the Linux servers. We configured the network card settings using. MII. Here are the details: 1) PC: Dell Dimension 2) Network card: 3com 3c905c-tx PCI 3) Redhat Enterprise: latest 7.x 4) MII Version: latest version Any ideas? We have configured identical boxes with intel network card drivers and no problems exist. The workaround to the existing problem is to set the 3Com cards to autonegotiate. This however is unideal because after some reboots, the cards will auto-negotiate down to 10 HD, or some variant of what we really want. It almost seems like the MII tool is incorrectly configuring the 3com card to 10Mbps, but the ifconfig output shows card at 100Mbps. _______________________________________________ vortex mailing list [email protected] http://www.scyld.com/mailman/listinfo/vortex