[c-nsp] RX No Buff Errors on 7206 w/NPE-G1

[Rodney Dunn]

What code?

Are you seeing any throttles?

What's the fanout for the multicast?

Rodney



On Tue, Oct 30, 2007 at 10:12:08PM -0400, Vincent Aniello wrote:
> On a 7206VXR with a NPE-G1 processor I am seeing input errors on a
> Gigabit Ethernet interface.  The input errors are due to "ignored"
> packets:
> 
>  
> 
> 303 input errors, 0 CRC, 0 frame, 0 overrun, 303 ignored
> 
>  
> 
> The ignored packets coincide with "RX No Buff" errors that appear in the
> output from a 'show controller' command:
> 
>  
> 
> RX No Buff       303
> 
>  
> 
> There is a about 30Mb/s of incoming traffic, mostly multicast, on the
> interface and according to the "show processes cpu history" command the
> maximum CPU over the last 72 hours was 60% with an average CPU of 30%
> during peak times.
> 
>  
> 
> Can anyone provide suggestions on how to correct these errors or am I
> running up against the processing limits of this router?  If so, are the
> "RX No Buff" errors an indication of a limitation of the Gigabit
> Ethernet interface or the NPE-G1 CPU in the router?  Would upgrading to
> a NPE-G2 correct the problem?
> 
>  
> 
> Any assistance would be appreciated.
> 
>  
> 
> Thanks.
> 
>  
> 
> --Vincent
> 
>  
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> 
> Disclaimer: Any references to Pipeline performance contained herein are based on historic performance levels which Pipeline expects to maintain or exceed but nevertheless does not guarantee. Congested networks, price volatility, or other extraordinary events may impede future trading activities and degrade performance statistics.
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