Incrementing ierrs normal on switched network?

Karl Pielorz kpielorz at tdx.co.uk
Fri Jan 23 07:43:48 PST 2004


Hi All,

We've got a FreeBSD test box in house - that's hooked up to another FreeBSD 
box via a crossover cable on one port (em0) - and to a switch & small 
network on the other port (em1).


netstat -i -b shows...

"
Name    Mtu Network       Address              Ipkts Ierrs
em0    1500 <Link#1>    00:07:e9:59:c1:11 42631375     0
em0    1500 192.168.0.1/30 em0                 206     -
em1    1500 <Link#2>    00:02:b3:e8:ca:bf  5978522 11465


          Ibytes    Opkts  Oerrs      Obytes  Coll
[em0] 1761716617  43032198     0    97470457     0
[em0]      17336   3457943     -  1979378621     -
[em1] 4135141601   5545022     0  1570455231     0
"

[Wrapped for sanity]

The em1 interface is constantly clocking up 'Ierrs' - admittedly they are a 
very small percentage of the total packets on the interface, but never the 
less they clock up constantly...

Is this likely to be something silly like 'cheap switch' (It's a DLink 
10/100 - nothing special).

Is it normal to run a small % (i.e. <0.01) of errors? - I found the devtool 
'ifinfo' - but this just reports them as 'Input Errors' as well...

I'm trying to get hold of a different brand switch etc. to try it with at 
the moment...

Thanks for any input,

-Karl


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