Week3-Spanningtree

Week3-Spanningtree - These transmissions will reach the...

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Rochester Institute of Technology Department of Networking, Security & Systems Administration 4050-515/815 Spring 20073 Week 3 – Friday Activity 1. Spanning Tree Algorithm Given the following configuration, trace the development of the tree. Assume this is a 10 Mbps Ethernet and calculate the costs of each link accordingly. The ID numbers are greatly simplified. The priority of all the bridges is 8000 and the priority of all the ports is 80. For this example we are assuming all bridges were turned on one at a time starting with the bridge with the highest Bridge_ID and highest Port_ID and then the lower Port_ID. The port metrics will look like: Root ID: pathcost: Bridge ID: Port Number
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Rochester Institute of Technology Department of Networking, Security & Systems Administration Now, each port will build a configuration BPDU and transmit to each neighboring port.
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Unformatted text preview: These transmissions will reach the neighbor ports and be buffered so that comparisons can be made. Go through the process of resolving the topology using the spanning tree algorithm and eliminate the loops. When you have completed the exercise indicate the following: a. Which bridge will become root? i. Bridge 2 b. Which ports will be root ports? i. Bridge 1, port 1 ii. Bridge 3, port 1 iii. Bridge 4, port 1 c. Which ports will be designated i. Bridge 2, port 1 ii. Bridge 2, port 2 iii. Bridge 1, port 1 iv. Bridge 1, port 3 v. Bridge 3, port 2 vi. Bridge 3, port 3 vii. Bridge 4, port 1 d. Which ports will be blocked? i. Bridge 1, port 2 ii. Bridge 4, port 2 e. Which bridges will be designated? i. Bridge 1, 3, 4...
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Week3-Spanningtree - These transmissions will reach the...

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