[LARTC] Ethernet packet loss - frame errors

[Stephen Hemminger]

On Fri, 13 Oct 2006 10:26:14 +0200
Justin Schoeman <justin at expertron.co.za> wrote:

> Hi all,
> 
> I have the following problem. A Linux box configured as a bridge. One 
> interface connects to the router via a crossover cable, the other 
> connects to a switch via the cable that used to go to the router.
> 
> Now I get the following:
> 
> [root at localhost net]# ifconfig eth3
> eth3      Link encap:Ethernet  HWaddr 00:03:2D:07:61:5D
>            UP BROADCAST MULTICAST  MTU:1500  Metric:1
>            RX packets:1969134 errors:0 dropped:0 overruns:0 frame:176459
>            TX packets:2186662 errors:0 dropped:0 overruns:0 carrier:0
>            collisions:0 txqueuelen:1000
>            RX bytes:492595115 (469.7 Mb)  TX bytes:579725462 (552.8 Mb)
>            Interrupt:17
> 
> eth3 is the interface that connects to the switch.  As you can see, 1 in 
> 10 rx packets are framing errors.
> 
> What are possible causes for this? The cable is a constant, so is not 
> likely to cause problems, so what else can possibly cause such a high 
> number of frame errors?
> 
> Any help appreciated.
> 
> Thanks,
> 
> Justin
> 

What speed and driver?