STP Test Diagram. STP Protocol PVST Connection BB#1 and BB#2 Port Channel & Trunk Connection BB#1,2 and L2 Access Port Root Bridge BB#1 Block Port the connected port to L2_Switch on the BB#2 L2_Switch is disabled STP STP Disable. BB#1 Root. PO1 Trunk ISL Vlan10,110. BB#2.
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PO1 Trunk ISL
If L2 switch send BPDU to BB#2, BPDU is spanning-tree-(for-bridges)_00 (01:80:c2:00:00:00).
When BB#2 takes this BPDU, How to do BB#2 operate? Drop or Accept?