[LARTC] Ethernet packet loss - frame errors

[Justin Schoeman]

OK - Just finished more testing, and it seems to be a bug in the sky2 
driver...

ping -s 1450 -f xxx.xxx.xxx.xxx

works perfectly, but

ping -s 1500 -f xxx.xxx.xxx.xxx

fails 100% with all packets being logged as frame errors.

-justin

Justin Schoeman 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
> 
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