For a switch stack of 8 devices, the below stacking order with the default stack cable length would be possible [S: Switch ; P: Stack port] [cabling from P1 to P2 based on color]  

Hello Mohammed,I assume that this is an existing network and not one that is being newly deployed.As our friends have pointed out, multicast is not a "plug and play" feature and is typically designed based on the need.An prior assessment of the netwo...

Hello Parker, Have you tried the "sh cdp nei" command?