Lots of input errors...

From: Shawn Ramsey (shawn_at_cpl.net)
Date: 06/25/03

  • Next message: Mike Hoskins: "Re: Lots of input errors..." 
    To: <freebsd-net@freebsd.org>
Date: Wed, 25 Jun 2003 12:37:33 -0700

    > netstat -I xl0 -w 1
               input (xl0) output
      packets errs bytes packets errs bytes colls
         6918 22 8525822 5631 0 2770466 0
         7317 21 9262852 6041 0 2696855 0
         7839 26 10090955 6426 0 2686936 0
         7260 14 9318261 5789 0 2407180 0
         6653 14 8255322 5552 0 2693452 0
         7818 17 9966908 6323 0 2693943 0
         7003 12 9056270 5406 0 2250436 0
         7104 17 8904400 5963 0 2815142 0
         7287 12 9185995 5937 0 2747249 0

    This seems excessive. What are the likely causes of this other than say a bad cable or switch ? I believe the same thing was happening on our other interface when we had this much traffic going into it, and its plug into a different switch entirely. I suppose its possible both cables are bad, but seems unlikely. Before enableing "polling" in the kernel, I was seeing 90+% usage on interupts in top, which also seems excessive given we are moving less than FE traffic.

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  • Next message: Mike Hoskins: "Re: Lots of input errors..."