[LARTC] Ethernet packet loss - frame errors

Justin Schoeman justin at expertron.co.za
Fri Oct 13 10:44:23 CEST 2006


Andrei Sandu wrote:
> Possibly the length of the cable ?

It is a 5m cable.  It is also the 'common' cable - it is unplugged from 
the router and plugged into the bridge (the other side stays in the switch).

-justin


> On 10/13/06, *Justin Schoeman* <justin at expertron.co.za 
> <mailto: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
> 
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