I run a network powered by 3750G. Network consists of several points of presence with several switches in each. POPs are xconnected with fibers.
I hvanoticed that some fiber ports start to loose packets on low bitrate (100M). Closer inspection showed that packet rate is much bigger (40000 Pps).
I found it accaptable since nature of data is multicast with packets of 500-700 bytes average.
For most of ports packet loss starts when PPs reaches ~83000. While there is a port where I see packet loss on 40k in each direction.
So I have two questions:
1. Is it a practical top of switch port throughput ? Looks weird when switch looses packets on 100Mbps utilisation;
2. My understanding is that Tx and Rx are woring with its own buffers each. Thus overflow of one of them shouldn't impact the other. But practically I see that Tx and Rx packet rates are affecting buffer in total.
I'm starting to feel like something is misconfigured. Please advice.