Hello, I'm fairly new to networking and am currently studying for my CCENT. I've been given the opportunity to assist cleaning up my employers network infrastructure. When looking at these two separate VLAN's there are ports being used on both VLAN 111 and 112. In fact it seems that every port is identical across each VLAN for all 3 switches in the stack. I just need help understanding how this is exactly possible, is this a trunking situation?
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