CCNP TSHOOT 6.0 - The Cisco Learning Network

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CCNPv6 TSHOOT Task 4: Trouble Ticket Lab 5-1 TT-D Step 1: Review trouble ticket Lab 5-1 TT-D. A contract worker called the help desk to report that he could not access the ISP email server (simulated by Lo0 on R2). He was working at a PC that is attached to a port in the GUEST VLAN (PC-C). You checked with the ISP and discovered that they had an unplanned outage, and the WAN link from R2 to R3 had gone down temporarily. Users in the OFFICE VLAN did not experience any loss of connectivity to the email server during the WAN link outage. Your expectation, if one of the WAN links went down, was that users in the GUEST VLAN would still be able to reach the server because of the redundancy in the network design. Your colleague will replicate this scenario during the maintenance window this evening. You have agreed to help her diagnose the problem and propose a plan that can account for an outage in one of the WAN links to R2 so that guest users do not lose connectivity to the ISP mail server. Your plan is to simulate the R3-to-R2 WAN link going down. You do not have administrative control over ISP router R2. You will test connectivity, determine the cause of the problem, and recommend which configuration changes to the devices could correct the issue. Step 2: Load the device trouble ticket configuration files for TT-D. Using the procedure described in Lab 3-1, verify that the lab configuration files are present in flash. Load the proper configuration files indicated in the Device Configuration File table. Note: See Task 1, Step 2 for device access methods, usernames, and passwords after the configuration files have been loaded. Device Configuration File Table Device Name File to Load Notes ALS1 Lab51-ALS1-TT-D-Cfg.txt DLS1 Lab51-DLS1-TT-D-Cfg.txt DLS2 Lab51-DLS2-TT-D-Cfg.txt R1 Lab51-R1-TT-D-Cfg.txt R2 Lab51-R2-TT-D-Cfg.txt R3 Lab51-R3-TT-D-Cfg.txt SRV1 N/A Static IP: 10.1.50.1 Default gateway: 10.1.50.254 PC-B N/A DHCP PC-C N/A DHCP Step 3: Configure SRV1 and start the syslog and TFTP servers, as described in Task 1. Step 4: Release and renew the DHCP leases on PC-B and PC-C, as described in Task 1. Step 5: Outline the troubleshooting approach and validation steps. Use this space to identify your troubleshooting approach and the key steps to verify that the problem is resolved. Troubleshooting approaches to select from include: follow-the-path, spot-the-differences, bottom-up, top-down, divide-and-conquer, shoot-from-the-hip, and move-the-problem. All contents are Copyright © 1992–2010 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 11 of 32
CCNPv6 TSHOOT Note: In addition to a specific approach, you can use the generic troubleshooting process described at the beginning of Section 2 of this lab. _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ _______________________________________________________________________________ Step 6: Record the troubleshooting process and configuration changes. Note: Section 2 of this lab includes sample troubleshooting flows, useful commands, and examples of output. Use this log to document your actions and results during the troubleshooting process. List the commands you used to gather information. As you progress, record what you think the problem might be and which actions you will take to correct the problems. Device Actions and Results All contents are Copyright © 1992–2010 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 12 of 32
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CCNP TSHOOT 6.0 Student Lab Manual
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CCNPv6 TSHOOT Objectives • Assign
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CCNPv6 TSHOOT Note: When the show f
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CCNPv6 TSHOOT Switch DLS1 !Lab 3-1
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CCNPv6 TSHOOT ip address 10.1.100.2
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CCNPv6 TSHOOT ! interface Serial0/0
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CCNPv6 TSHOOT ip flow ingress encap
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Logical Topology Objectives Backgro
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CCNPv6 TSHOOT Chapter 5 Lab 5-3, BG
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CCNPv6 TSHOOT Reflection Questions
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CCNP TSHOOT 6.0 - The Cisco Learning Network

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