Following are the observation of interface logs of 3550:-
There have been 8414 'output buffer failures' reported. If outgoing interface buffers are not available, an output buffer failure is reported.If an interface buffer is available but the Transmit Queue Limit is reached, the packet is dropped. However, if 'transmit-buffers backing-store' is enabled, the packet is placed in a System Buffer (which has to be obtained from an appropriate Free-List), and enqueued in the Output Hold queue for future transmission at the Process level, and an Output Buffer Swap is reported. and 8414 'underruns' have been reported, which amounts to 0.00514% of the total input traffic. This is because, the far-end transmitter runs faster than the receiver of the near-end router can handle.
Check out this:- Monitor the level of underruns over time. If they continue increasing, consider buffer and queue tuning or upgrading hardware.
We are pleased to announce availability of Beta software for 16.6.3.
16.6.3 will be the second rebuild on the 16.6 release train targeted
towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are
looking for early feedback from customers befor...
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