CCNP TSHOOT 6.0 - Cisco Learning Home

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CCNPv6 TSHOOT 20 ******* 10 ******** 0....5....1....1....2....2....3....3....4....4....5....5....6....6....7.. 0 5 0 5 0 5 0 5 0 5 0 5 0 CPU% per hour (last 72 hours) * = maximum CPU% # = average CPU% As with the output for the show processes cpu sorted command, you can see that R3 is not CPU bound. d. Issue the show memory statistics command on R3. Note the amount of used and free memory for the processor. By comparing the amount of memory used to the baseline and the TT issues, you can determine how much is used when running the TTCP utility. The memory amounts for the baseline after the TT was loaded and while TTCP was running are shown here for comparison. Note: The trouble ticket issues cause an increase of nearly 70 KB of memory over the baseline. This is not enough to cause real memory depletion issues with the router but serves to illustrate the type of problem that can occur in a production environment. Running the TTCP load utility caused an increase of about 7 KB over the TT issues. Baseline R3#show memory statistics Head Total(b) Used(b) Free(b) Lowest(b) Largest(b) Processor 64E822C0 101178688 24016328 77162360 75584536 75588172 I/O EAF00000 17825792 5421744 12404048 12363136 1238780 After TT Issues Are Introduced R3#show memory statistics Head Total(b) Used(b) Free(b) Lowest(b) Largest(b) Processor 64E822C0 101178688 24085092 77093596 75584536 75579176 I/O EAF00000 17825792 5421744 12404048 12363136 1238780 While Running TTCP R3#show memory statistics Head Total(b) Used(b) Free(b) Lowest(b) Largest(b) Processor 64E822C0 101178688 24092388 77086300 75584536 75579176 I/O EAF00000 17825792 5424292 12401500 12363136 1238780 Step 6: Outline the troubleshooting approach and validation steps. The following approach is recommended as a troubleshooting process: 1. Generate test traffic using the ping and ttcp commands, as described in this task. 2. Use ping to measure the performance between the headquarters and Internet or network servers. For example, ping from client PC-B to server SRV1, R1 or R2. 3. Examine the key performance indicators, such as the interfaces, CPU, and memory, on the routers and watch for symptoms associated with performance problems. All contents are Copyright © 1992–2010 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 20 of 32
CCNPv6 TSHOOT 4. Examine the routers for features and configurations that deviate from the baseline configurations and attempt to find the root cause of the problems. 5. Address the issues causing the performance problems and test to verify that performance has improved. Step 7: Record the troubleshooting process and configuration changes. 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 problem. Device Actions and Results All contents are Copyright © 1992–2010 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 21 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 Step 10: Test basic n
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CCNPv6 TSHOOT b. If working as a te
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CCNPv6 TSHOOT Subnet Table Descript
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CCNPv6 TSHOOT Task 5: Identify Trou
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CCNPv6 TSHOOT Router Interface Summ
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CCNPv6 TSHOOT switchport trunk allo
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CCNPv6 TSHOOT ! interface FastEther
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CCNPv6 TSHOOT Switch DLS1 !Lab 3-1
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CCNPv6 TSHOOT switchport nonegotiat
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CCNPv6 TSHOOT switchport access vla
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CCNPv6 TSHOOT ! logging source-inte
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CCNPv6 TSHOOT interface Port-channe
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CCNPv6 TSHOOT switchport mode acces
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CCNPv6 TSHOOT ip address 10.1.100.2
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CCNPv6 TSHOOT no shutdown ! interfa
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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 Section 1—Trouble T
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CCNPv6 TSHOOT Device Actions and Re
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CCNPv6 TSHOOT Note: In addition to
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CCNPv6 TSHOOT Default gateway: 10.1
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CCNPv6 TSHOOT Section 2—Troublesh
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CCNPv6 TSHOOT • Address Resolutio
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CCNPv6 TSHOOT • Spanning-tree top
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CCNPv6 TSHOOT Sample Layer 2 Troubl
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CCNPv6 TSHOOT After you have found
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CCNPv6 TSHOOT ALS1#show etherchanne
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CCNPv6 TSHOOT Lab 4-1: References I
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CCNPv6 TSHOOT Logical Topology Obje
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CCNPv6 TSHOOT Step 3: Configure SRV
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CCNPv6 TSHOOT Sample Multilayer Swi
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CCNPv6 TSHOOT Sample Multilayer Swi
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CCNPv6 TSHOOT epoch 0 sourced in se
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CCNPv6 TSHOOT Troubleshooting First
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CCNPv6 TSHOOT Sample First Hop Redu
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CCNPv6 TSHOOT Sample First Hop Redu
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CCNPv6 TSHOOT References If you nee
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CCNPv6 TSHOOT Logical Topology Obje
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CCNPv6 TSHOOT Step 6: Record the tr
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CCNPv6 TSHOOT Section 2 - Troublesh
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CCNPv6 TSHOOT Layer 3 is a common s
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CCNPv6 TSHOOT reachability of the n
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CCNPv6 TSHOOT associated egress int
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CCNPv6 TSHOOT The usual trigger to
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CCNPv6 TSHOOT Specifically, the %DU
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CCNPv6 TSHOOT Hop count is 2 10.1.1
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CCNPv6 TSHOOT If you find that an E
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CCNPv6 TSHOOT Logical Topology (Bas
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CCNPv6 TSHOOT Phase 1 OSPF Network
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CCNPv6 TSHOOT After the completion
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CCNPv6 TSHOOT R3 Lab51-R3-TT-C-Cfg.
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CCNPv6 TSHOOT Task 4: Trouble Ticke
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CCNPv6 TSHOOT Step 7: Document trou
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CCNPv6 TSHOOT debug ip ospf packet
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CCNPv6 TSHOOT R1#show ip ospf inter
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CCNPv6 TSHOOT • Area ID (aid): Th
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CCNPv6 TSHOOT Nov 5 16:06:39.809: O
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CCNPv6 TSHOOT Sample OSPF Troublesh
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CCNPv6 TSHOOT LS Type: Summary Link
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CCNPv6 TSHOOT Boundary (ASB) entry
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CCNPv6 TSHOOT Sample Route Redistri
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CCNPv6 TSHOOT Reflection Questions
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CCNPv6 TSHOOT Chapter 5 Lab 5-3, BG
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CCNPv6 TSHOOT ISP, it has been deci
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CCNPv6 TSHOOT Lab Structure This la
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CCNPv6 TSHOOT Step 5: Outline the t
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CCNPv6 TSHOOT Device Configuration
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CCNPv6 TSHOOT Background Routers an
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CCNPv6 TSHOOT Sample Troubleshootin
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CCNPv6 TSHOOT hp-collector HP Perfo
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CCNPv6 TSHOOT R1#show ntp status Cl
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CCNPv6 TSHOOT Background This lab c
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CCNPv6 TSHOOT Command Key Informati
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CCNPv6 TSHOOT Command Key Informati
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CCNPv6 TSHOOT Reflection Questions
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