In order to troubleshoot STP, you need to have a solid understanding of the protocol, its inner workings and default parameters. This section discusses STP fundamentals, which are an important element when troubleshooting STP issues. Additional detailed information on STP can be found in the current SWITCH guide which is available online.
The Spanning Tree Protocol (STP) is defined in the IEEE 802.1D standard. The primary purpose of STP is to attempt to provide a loop free topology in a redundant Layer 2 network environment. The word 'attempt' is used because implementing Spanning Tree Protocol does not always guarantee . . .
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