Yes a Brocade engineer finally figured it out... It was Forward Error Correction setting on the 870 side. command to set settings on the 870 port were. We all learned something new about this
configure ports 5 forward-error-correction on cl91
Segment your network into smaller boundaries or get larger interfaces. Issue is that more than one gig of traffic is making it's way to those gig interfaces. That is why you have congestion and packet loss. Adding additional layer 3 subnets and se...
Have you done a show congestion command on those one gig ports... This will show you if microbursts may be filling up the buffers and thus you are dropping packets. Having any mcast video stream going into buffers is a bad thing as the buffers cause...
Lets not go down the path of speed of packets going across copper vs fiber or a DAC cable vs SFP fiber module... Both will deliver the same amount of packets... A few micro-seconds will not cause a stream of packets to drop frames. A buffer filling ...
