[c-nsp] Constant output drops on etherchannel

[Benjamin Lovell]

Agreed would need some platform details but, in general, if you are seeing port get to 92% then you can be pretty much sure that you are bursting to 100% and dropping at times. 

-Ben


On Jan 14, 2011, at 11:12 AM, Phil Mayers wrote:

> On 14/01/11 16:08, Dan Letkeman wrote:
>> Hello,
>> 
>> I'm seeing many of our etherchannel's on different switches having output drops:
> 
> Platform? IOS version? Config of the interface(s) (routed, SVI, etc.)
> 
>>   Input queue: 0/75/0/0 (size/max/drops/flushes); Total output drops: 898085
> 
> Are you monitoring the traffic rate? Do the drops correspond to traffic bursts? Do you have QoS enabled?
> 
>> I also see that it usually uses one port of the etherchannel to a high
>> degree, say 92% before it seems to push data through the other
>> connection.
> 
> That's not necessarily unusual, depending on your etherchannel load balancing algorithm and traffic patterns. But you haven't really supplied enough info for people to help you.
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