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From: Doug Sampson <dougs@dawnsign.com>
To: "'freebsd-pf@freebsd.org'" <freebsd-pf@freebsd.org>
Date: Thu, 5 Apr 2007 11:56:17 -0700 
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Subject: collision errors
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root@~# netstat -i
Name    Mtu Network       Address              Ipkts Ierrs    Opkts Oerrs
Coll
xl0    1500 <Link#1>      00:10:5a:85:91:ad   950032     0   617837    10
45299 
xl0    1500 192.168.xxx   192.168.xxx.xxx     680757     -   609403     -
- 
rl0    1500 <Link#2>      00:40:f4:5d:6a:d5 21251657     0 21427783     0
0 
rl0    1500 216.xxx.xxx/28 216-xxx-xxx-xxx.stat 390194     - 21427789     -
- 
plip0  1500 <Link#3>                               0     0        0     0
0 
lo0   16384 <Link#4>                           41894     0    41894     0
0 
lo0   16384 fe80:4::1     fe80:4::1                0     -        0     -
- 
lo0   16384 localhost     ::1                      0     -        0     -
- 
lo0   16384 your-net      localhost         20808137     -    41662     -
- 
pflog 33208 <Link#5>                               0     0        0     0
0 

(IP addresses altered above for protection)

I'm a pf newb and am running pfspamd on this FBSD 6.2 machine. How do I
trace the collision errors? Seems excessively high- more than 5% here. I
want to rule out hardware issues with the 3C905b card before I get into
network overload issues but am not sure how.

~Doug