SO the problem is why does the Cisco 6509 think there.
3 and newer.
4 posts • Page 1 of 1.
Spanning Tree Protocol.
Im not really up on spanning tree, so I need some opinions.
The BPDU guard feature must be activated on ports that should not receive BPDUs from connected devices.
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Mikrotik Switching Spanning Tree Protocol.
Spanning Tree not working.
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