CCNA Routing and Switching - Scaling Networks 6.0 - Packet Tracer - 3.1.1.5 Packet Tracer - Examining a Redundant Design CCNA Routing and Switching - Scaling.
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3.1.1.5 Packet Tracer – Examining a Redundant Design
From year to year, Cisco has updated many versions with difference questions. The latest version is version 6.0 in 2018. What is your version? It depends on your instructor creating your class. We recommend you to go thought all version if you are not clear. While you take online test with netacad.com, You may get random questions from all version. Each version have 1 to 10 different questions or more. After you review all questions, You should practice with our online test system by go to 'Online Test' link below.
Packet Tracer – Examining a Redundant Design (Answer Version)
Answer Note: Red font color or Gray highlights indicate text that appears in the Answer copy only.
Topology
3.1.1.5 Packet Tracer – Examining a Redundant Design
Objectives
Part 1: Check for STP Convergence
Part 2: Examine the ARP Process
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Part 3: Test Redundancy in a Switched Network
Background![]()
In this activity, you will observe how STP operates, by default, and how it reacts when faults occur. Switches have been added to the network “out of the box”. Cisco switches can be connected to a network without any additional action required by the network administrator. For the purpose of this activity, the bridge priority was modified.
Part 1: Check for STP Convergence
When STP is fully converged, the following conditions exist:
Part 2: Examine the ARP ProcessStep 1: Switch to Simulation mode.Step 2: Ping from PC1 to PC6.
Step 3: Examine the ARP process again.
Part 3: Test Redundancy in a Switched NetworkStep 1: Delete the link between A1 and D2.
Switch to Realtime mode. Delete the link between A1 and D2. It takes some time for STP to converge and establish a new, loop-free path. Because only A1 is affected, watch for the amber light on the link between A1 and D1 to change to green. You can click Fast Forward Time to accelerate the STP convergence process.
Step 2: Ping between PC1 and PC6.
Step 3: Delete link between C1 and D3.
Step 4: Ping between PC1 and PC6.
Step 5: Delete D4.
Switch to Realtime mode. Notice that A4, A5, and A6 are all forwarding traffic to D4. Delete D4. It takes some time for STP to converge and establish a new, loop-free path. Watch for the links between A4, A5, and A6 to D3 transition to forwarding (green). All three switches should now be forwarding to D3.
Step 6: Ping between PC1 and PC6.
Step 7: Delete C1.
Switch to Realtime mode. Notice that D1 and D2 are both forwarding traffic to C1. Delete C1. It takes some time for STP to converge and establish a new, loop-free path. Watch for the links between D1 and D2 to C2 to transition to forwarding (green). Once converged, both switches should now be forwarding to C2.
Step 8: Ping between PC1 and PC6.
Suggested Scoring Rubric
From year to year, Cisco has updated many versions with difference questions. The latest version is version 6.0 in 2018. What is your version? It depends on your instructor creating your class. We recommend you to go thought all version if you are not clear. While you take online test with netacad.com, You may get random questions from all version. Each version have 1 to 10 different questions or more. After you review all questions, You should practice with our online test system by go to 'Online Test' link below.
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