SNMP/No Bufferspace

[Larry Rosenman]

On 06/03/2019 1:27 pm, Eugene Grosbein wrote:
> 04.06.2019 1:15, Larry Rosenman wrote:
> 
>> Name    Mtu Network       Address              Ipkts Ierrs Idrop    
>> Opkts Oerrs  Coll  Drop
>> bce0   1.5K <Link#2>      a4:ba:db:29:66:95     715M  186k     0     
>> 533M     0     0   15M
> 
> Something really bad happening at driver level or physical level:
> way too many input errors (perhaps, bad CRC) and output drops (due to
> busy media?).
> 
> I prefer to max out interface FIFO length while using bce(4) by means
> of /boot/loader.conf
> when link is heavily utilized:
> 
> # max = 8*255 = 2040
> hw.bce.tx_pages=8
> 
> Also, check driver-level stats with sysctl dev.bce.0
> If possible, check link partner - managed switch port counters or what
> does it have.
> Maybe, replace twisted pair cable.


Ok, I've removed the bridge (don't need it).  Added the tunable
and will check it after a few hours.  I *REALLY* appreciate
the help diagnosing this.  (If need be I can replace the cable, but 
let's
see what happens now).

-- 
Larry Rosenman                     http://www.lerctr.org/~ler
Phone: +1 214-642-9640                 E-Mail: ler at lerctr.org
US Mail: 5708 Sabbia Dr, Round Rock, TX 78665-2106