Problem with Intel 82540EM Gigabit Ethernet Controller
Brooks Davis
brooks at one-eyed-alien.net
Wed Sep 1 07:50:11 PDT 2004
On Tue, Aug 31, 2004 at 11:49:25PM -0700, Gabor Esperon wrote:
> Hi!
>
> I have an Intel 82540EM Gigabit Ethernet Controller
> working at 100Mb/s on FreeBSD 5-CURRENT and FreeBSD
> 5-BETA3:
>
> em0:
> flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu
> 1500
>
> options=1b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING>
> inet 192.168.1.32 netmask 0xffffff00 broadcast
> 192.168.1.255
> ether 00:07:e9:09:a7:37
> media: Ethernet autoselect (100baseTX
> <full-duplex>)
> status: active
>
> thats ok, but in both systems I can only get transfers
> at 2.xMb/s (MBytes) as the following "netstat -w1 -I
> em0" show:
> input (em0) output
> packets errs bytes packets errs
> bytes colls
> 782 0 46920 1438 0
> 2177132 0
> 788 0 53500 1452 0
> 2209768 0
> 886 0 53160 1628 0
> 2464792 0
> ...
>
> What could be the problem here?
This looks like a potential duplex mismatch to me. Please make sure
your hub/switch is running full-duplex.
-- Brooks
--
Any statement of the form "X is the one, true Y" is FALSE.
PGP fingerprint 655D 519C 26A7 82E7 2529 9BF0 5D8E 8BE9 F238 1AD4
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 189 bytes
Desc: not available
Url : http://lists.freebsd.org/pipermail/freebsd-current/attachments/20040901/12d7f529/attachment.bin
More information about the freebsd-current
mailing list