very slow NIC

Greg 'groggy' Lehey grog at
Tue Jun 10 23:23:19 PDT 2003

On Tuesday, 10 June 2003 at 18:10:19 -0600, TOPCAT CONSULTING wrote:
> I have an ethernet card that just doesn't seem to be performing well in
> both directions (in and out)....when I access this NIC from another
> machine on the LAN, file transfer is extremely fast, but when I use this
> machine to access another machine on the LAN, I can barely get 10 kb/sec
> out of it!
> Anyway dmesg.boot reports the card as:
> rl0: <RealTek 8139 10/100BaseTX> rev 0x10 int a irq 9 on pci0.13.0
> rl0: Ethernet address: 00:20:18:88:96:47
> rl0: autoneg complete, link status good (half-duplex, 10Mbps)
> So, is full-duplexing not turned on or something? 

As it says:

> (half-duplex, 10Mbps)

> How do I turn full-duplexing on?  Or maybe that's not the problem?

If your LAN is 100 Mb/s, it's definitely a problem.  Try:

 # ifconfig rl0 media 100baseTX mediaopt full-duplex

When replying to this message, please copy the original recipients.
If you don't, I may ignore the reply or reply to the original recipients.
For more information, see
See complete headers for address and phone numbers
-------------- next part --------------
A non-text attachment was scrubbed...
Name: not available
Type: application/pgp-signature
Size: 187 bytes
Desc: not available
Url :

More information about the freebsd-questions mailing list