CCNP TSHOOT 6.0 - Cisco Learning Home

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CCNPv6 TSHOOT Total delay is 20110 microseconds Reliability is 255/255 Load is 1/255 Minimum MTU is 1500 Hop count is 2 Verify the EIGRP Topology Table R2#debug ip eigrp IP-EIGRP Route Events debugging is on R2#debug ip eigrp 1 neighbor 10.1.1.1 IP Neighbor target enabled on AS 1 for 10.1.1.1 IP-EIGRP Neighbor Target Events debugging is on R2#clear ip eigrp neighbors 10.1.1.1 R2# Nov 2 17:18:50.945: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: Neighbor 10.1.1.2 (Serial 0/0/0) is down: Interface Goodbye received Nov 2 17:18:55.085: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 1: Neighbor 10.1.1.2 (Serial 0/0/0) is up: new adjacency If you find expected route entries to be missing from the topology table, consider using the debug ip eigrp command to display the processing of routing events by the router. However, this command can produce a large number of messages and, as a result, has a high risk of disrupting the router’s operation. Do not use this command unless guided by the Cisco TAC or in a nonoperational network, such as a lab network that you have built to reproduce a problem. Like the debug eigrp packets command, you can limit the impact of this command by logging to buffers instead of the console and by limiting the output to specific neighbors or routes. Even then, extreme care should be taken. Sample EIGRP Troubleshooting Flow Layer 3 problem caused by routing protocol failure Verify neighbor availability Verify route availability Verify route selection Compare routing table and topology table © 2009 Cisco Systems, Inc. All rights reserved. TSHOOT v1.0—63 All contents are Copyright © 1992–2010 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 29 of 32
CCNPv6 TSHOOT If you find that an EIGRP route for a specific destination network is available in the topology table, but a different route is present in the routing table, compare the value of the administrative distance of the route in the routing table to the value of the EIGRP route (which is 90 for internal routes and 170 for external routes, by default). If the distance of the EIGRP route is higher than the distance of the competing route, it will not be installed in the routing table. All contents are Copyright © 1992–2010 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 30 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 Device Configuration
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CCNPv6 TSHOOT The typical trigger t
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CCNPv6 TSHOOT • Number of receive
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CCNPv6 TSHOOT You can use the debug
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CCNPv6 TSHOOT Sample BGP Troublesho
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CCNPv6 TSHOOT 172.24.244.86 (metric
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CCNPv6 TSHOOT Sample BGP Troublesho
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CCNPv6 TSHOOT References If you nee
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CCNPv6 TSHOOT Logical Topology (Bas
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CCNPv6 TSHOOT Physical and Logical
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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 Step 7: Document trou
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CCNPv6 TSHOOT debug dhcp detail deb
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CCNPv6 TSHOOT R2#debug ip icmp Nov
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CCNPv6 TSHOOT R3(config)#int f0/0 R
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CCNPv6 TSHOOT Chapter 7 Lab 7-1, Ro
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CCNPv6 TSHOOT b. Issue the show int
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CCNPv6 TSHOOT 60 50 40 30 20 10 0..
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CCNPv6 TSHOOT Referring to the abov
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CCNPv6 TSHOOT R3#show processes cpu
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CCNPv6 TSHOOT c. Issue the show int
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CCNPv6 TSHOOT Reply from 172.20.0.1
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CCNPv6 TSHOOT 4. Examine the router
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CCNPv6 TSHOOT Switching path Pkts I
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CCNPv6 TSHOOT The output from the s
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CCNPv6 TSHOOT R3#show memory statis
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CCNPv6 TSHOOT Chapter 9 Lab 9-1, Ma
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CCNPv6 TSHOOT In the above example,
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CCNPv6 TSHOOT DLS1(config)# Dec 6 1
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CCNPv6 TSHOOT Dead: total time 0s,
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CCNPv6 TSHOOT Inbound access list i
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CCNPv6 TSHOOT Appendix A—WinRadiu
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CCNPv6 TSHOOT Step 4: Configure use
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CCNPv6 TSHOOT Chapter 9 Lab 9-2, Co
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CCNPv6 TSHOOT Step 7: Document trou
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CCNPv6 TSHOOT Sample Troubleshootin
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CCNPv6 TSHOOT F 0x0 *Mar 1 09:10:36
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CCNPv6 TSHOOT route ia - IS-IS inte
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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 Task 2: Trouble Ticke
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CCNPv6 TSHOOT Command Key Informati
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CCNPv6 TSHOOT Task 4: Trouble Ticke
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CCNPv6 TSHOOT Command Key Informati
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CCNPv6 TSHOOT Reflection Questions
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