[c-nsp] Real quick interface statistics question

[Stephen Wilcox]

It means the interface MAC received data faster than it could be  
passed to the controller.

I have seen it when there is a bad interface or bad cabling. It can  
also be caused if you are trying to do some clever features with the  
card and its not processing the packets quick enough.

68/627m isnt a problem but they shouldnt be there.. my guess is your  
router took a load hit at some point for some unknown reason and they  
all appeared at once whilst it was busy hiccupping. Keep an eye for  
any further increases .. and bear in mind it may be an indication you  
are pushing your kit hard if this occurs frequently

Steve

On 4 Oct 2007, at 19:30, Drew Weaver wrote:

> 627425063 packets input, 85917292730 bytes, 0 no buffer
> Received 2 broadcasts, 0 runts, 0 giants, 0 throttles
> 68 input errors, 0 CRC, 0 frame, 68 overrun, 0 ignored
>
> What exactly is an overrun on a gigabit Ethernet card and is 68 out  
> of 627,000,000 packets a large issue?
>
> I'm just wondering, I haven't been able to find a definitive answer  
> from Cisco only how overruns pertain to serial interfaces.
>
> Thanks,
> -Drew
>
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