very slow NIC

Brent Wiese brently at
Tue Jun 10 17:57:17 PDT 2003

This sounds like an auto-sense problem.

If you're hooked up to a hub, 10 half is the best you'll get. If it's a
switch, it may be setting itself full-duplex.

If its not a managed switch (you can't tell it what the ports should set
themselves to), you can try changing the settings on the card (man
ifconfig), but more than likely you're stuck.

However, its odd its 1 direction... You may just have a bad cable. Try
swapping it.

> -----Original Message-----
> From: owner-freebsd-questions at 
> [mailto:owner-freebsd-questions at] On Behalf Of 
> Sent: Tuesday, June 10, 2003 5:10 PM
> To: freebsd-questions at FreeBSD.ORG
> Subject: very slow NIC
> 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?  How do I 
> turn full-duplexing on?  Or maybe that's not the problem?
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