[c-nsp] Input errors ?

[Marko Milivojevic]

Duplex mismatch?

Brian Turnbow wrote:
> Hello everyone, 
> Yesterday I had a 7206vxr npe 300 shoot up to 100% cpu usage ,no process
> that was occupying over 1%, so I started looking at interfaces and
> traffic. 
> Checking things out I found that Fast 0/0 was showing alot of input
> errors, in 5 minutes we had 6.200.000, with 6.100.000 ignored packets,
> and 15 interface resets.
> This router is connected to a 3750E, and the 3750 port  was clean and
> the switch cpu was at 7%.
> All the graphs (both mrtg and netflow) show normal traffic levels,
> roughly 25Mbs, with no peaks or otherwise strange traffic.
> No one was around the router to have touched the cable, and after 5
> minutes the errors stopped and things returned to normal.
> Since that time everything is clean. This setup has been in place for
> several months and never had an issue.
> All the logs are clean and I am at a loss to understand excactly what
> caused the problem.
> The only thing that comes to mind is a bug , but I searched and could
> not find anything.
> The 7200 is running 12.3.17(a) and the 3750 12.2(20)SE1
> Anyone have an idea ?
> 
> 
> 
> Thanks in advance
> 
> Brian
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