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CCNP Routing and Switching TSHOOT 300-135 Official Cert Guide

E-book Engels 9780133414349
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Samenvatting

CCNP Routing and Switching TSHOOT 300-135 Official Cert Guide from Cisco Press allows you to succeed on the exam the first time and is the only self-study resource approved by Cisco. Expert instructor Raymond Lacoste shares preparation hints and test-taking tips, helping you identify areas of weakness and improve both your conceptual knowledge and hands-on skills.

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ISBN13:9780133414349
Taal:Engels
Bindwijze:e-book
Uitgever:Pearson Education
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<p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Introduction xxx</p> <p style="MARGIN: 0px">Part I Fundamental Troubleshooting and Maintenance Concepts</p> <p style="MARGIN: 0px">Chapter 1 Introduction to Troubleshooting and Network Maintenance 3</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; “Do I Know This Already?” Quiz 3</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Foundation Topics 9</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Introduction to Troubleshooting 9</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Defining Troubleshooting 9</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The Value of Structured Troubleshooting 11</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; A Structured Approach 13</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 1. Problem Report 13</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2. Collect Information 14</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 3. Examine Collected Information 15</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 4. Eliminate Potential Causes 16</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 5. Propose an Hypothesis 17</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 6. Verify Hypothesis 18</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 7. Problem Resolution 19</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Popular Troubleshooting Methods 20</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The Top-Down Method 21</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The Bottom-Up Method 21</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The Divide-and-Conquer Method 22</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The Following the Traffic Path Method 23</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The Comparing Configurations Method 23</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; The Component Swapping Method 24</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Practice Exercise: Selecting a Troubleshooting Approach 25</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Introduction to Network Maintenance 26</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Defining Network Maintenance 26</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Proactive Versus Reactive Network Maintenance 27</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Well-Known Network Maintenance Models 28</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Example of Adapting a Network Maintenance Model 28</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Common Maintenance Procedures 29</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Routine Maintenance Tasks 29</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Scheduled Maintenance 30</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Managing Network Changes 30</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Maintaining Network Documentation 32</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Restoring Operations After a Failure 33</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Measuring Network Performance 34</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; The Troubleshooting and Network Maintenance Relationship 34</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Maintaining Current Network Documentation 35</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Establishing a Baseline 36</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Communication 36</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Change Management 37</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Exam Preparation Tasks 39</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Review All Key Topics 39</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Define Key Terms 39</p> <p style="MARGIN: 0px">Chapter 2 Troubleshooting and Maintenance Tools 41</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; “Do I Know This Already?” Quiz 41</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Foundation Topics 45</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; The Troubleshooting and Network Maintenance Toolkit 45</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Network Documentation Tools 46</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Basic Tools 47</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; CLI Tools 47</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; GUI Tools 48</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Recovery Tools 48</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Logging Tools 53</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Network Time Protocol as a Tool 56</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Advanced Tools 57</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Overview of SNMP and NetFlow 57</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Creating a Baseline with SNMP and NetFlow 58</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SNMP 58</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NetFlow 59</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Cisco Support Tools 64</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Using Cisco IOS to Verify and Define the Problem 64</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Ping 64</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Telnet 67</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Traceroute 67</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Using Cisco IOS to Collect Information 68</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Filtering the Output of show Commands 69</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Redirecting show Command Output to a File 73</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting Hardware 74</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Collecting Information in Transit 75</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Performing Packet Captures 75</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SPAN 76</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; RSPAN 78</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Using Tools to Document a Network 80</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Exam Preparation Tasks 85</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Review All Key Topics 85</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Define Key Terms 86</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Complete Tables and Lists from Memory 86</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Command Reference to Check Your Memory 86</p> <p style="MARGIN: 0px">Chapter 3 Troubleshooting Device Performance 93</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; “Do I Know This Already?” Quiz 93</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Foundation Topics 96</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting Switch Performance Issues 96</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Cisco Catalyst Switch Troubleshooting Targets 96</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TCAM Troubleshooting 101</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; High CPU Utilization Troubleshooting on a Switch 105</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting Router Performance Issues 106</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Excessive CPU Utilization 107</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Understanding Packet-Switching Modes (Routers and Multilayer Switches) 113</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting Packet-Switching Modes 116</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Excessive Memory Utilization 121</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Exam Preparation Tasks 124</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Review All Key Topics 124</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Define Key Terms 124</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Complete Tables and Lists from Memory 125</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Command Reference to Check Your Memory 125</p> <p style="MARGIN: 0px">Part II Troubleshooting Cisco Catalyst Switch Features</p> <p style="MARGIN: 0px">Chapter 4 Troubleshooting Layer 2 Trunks, VTP, and VLANs 129</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; “Do I Know This Already?” Quiz 129</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Foundation Topics 132</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Frame-Forwarding Process 132</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting Trunks 140</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Encapsulation Mismatch 141</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Incompatible Trunking Modes 143</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VTP Domain Name Mismatch 146</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Native VLAN Mismatch 146</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Allowed VLANs 147</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting VTP 148</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Domain Name Mismatch 148</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Version Mismatch 149</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Mode Mismatch 149</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Password Mismatch 151</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Higher Revision Number 151</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting VLANs 152</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Incorrect IP Addressing 152</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Missing VLAN 153</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Incorrect Port Assignment 154</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; The MAC Address Table 155</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Layer 2 Trouble Tickets 157</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 4-1 158</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 4-2 160</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Exam Preparation Tasks 165</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Review All Key Topics 165</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Define Key Terms 165</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Complete Tables and Lists from Memory 166</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Command Reference to Check Your Memory 166</p> <p style="MARGIN: 0px">Chapter 5 Troubleshooting STP and Layer 2 EtherChannel 169</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; “Do I Know This Already?” Quiz 169</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Foundation Topics 172</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Spanning Tree Protocol Overview 172</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Reviewing STP Operation 173</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Determining Root Port 175</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Determining Designated Port 176</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Determining Nondesignated Port 176</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Collecting Information About an STP Topology 177</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Gathering STP Information 177</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Gathering MSTP Information 179</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; STP Troubleshooting Issues 180</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Corruption of a Switch’s MAC Address Table 180</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Broadcast Storms 181</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting STP Features 182</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PortFast 183</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; BPDU Guard 184</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; BPDU Filter 187</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Root Guard 189</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Loop Guard 190</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; STP Trouble Tickets 190</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 5-1 191</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 5-2 194</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 5-3 196</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting Layer 2 EtherChannel 199</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Reviewing Layer 2 EtherChannel 199</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; EtherChannel Trouble Tickets 200</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 5-4 201</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 5-5 204</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Exam Preparation Tasks 206</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Review All Key Topics 206</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Define Key Terms 206</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Complete Tables and Lists from Memory 207</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Command Reference to Check Your Memory 207</p> <p style="MARGIN: 0px">Chapter 6 Troubleshooting Inter-VLAN Routing and Layer 3 EtherChannels 209</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; “Do I Know This Already?” Quiz 209</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Foundation Topics 212</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting a Router-on-a-Trunk/Stick 212</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Router-on-a-Trunk/Stick Trouble Tickets 213</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 6-1 214</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 6-2 218</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting Switched Virtual Interfaces 221</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Reviewing SVIs 221</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting SVIs 223</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; SVI Trouble Tickets 224</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 6-3 225</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 6-4 230</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting Routed Ports 233</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Routed Ports Trouble Tickets 234</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 6-5 235</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting Layer 3 EtherChannel 237</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Layer 3 EtherChannel Trouble Tickets 239</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 6-6 240</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Exam Preparation Tasks 244</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Review All Key Topics 244</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Define Key Terms 244</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Complete Tables and Lists from Memory 245</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Show Command Reference to Check Your Memory 245</p> <p style="MARGIN: 0px">Chapter 7 Troubleshooting Switch Security Features 247</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; “Do I Know This Already?” Quiz 247</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Foundation Topics 250</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting Port Security 250</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Common Port Security Issues 250</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Port Security Configured but Not Enabled 250</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Static MAC Address Not Configured Correctly 251</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Maximum Number of MAC Addresses Reached 253</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Legitimate Users Being Blocked Because of Violation 254</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Running Configuration Not Saved to Startup Configuration 260</p> <p style="MARGIN: 0px">&nbsp;&nbsp; &nbsp;Port Security Trouble Tickets 261</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Trouble Ticket 7-1 261</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting Spoof-Prevention Features 265</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; DHCP Snooping 265</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Dynamic ARP Inspection 267</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; IP Source Guard 268</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Spoof-Prevention Features Trouble Tickets 270</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 7-2 270</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting Access Control 273</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Protected Ports 273</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Private VLANs 275</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VACLs 279</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Exam Preparation Tasks 281</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Review All Key Topics 281</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Define Key Terms 282</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Command Reference to Check Your Memory 282</p> <p style="MARGIN: 0px">Chapter 8 Troubleshooting First-Hop Redundancy Protocols 287</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; “Do I Know This Already?” Quiz 287</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Foundation Topics 290</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting HSRP 290</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Reviewing HSRP 290</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HSRP Converging After a Failure 291</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; HSRP Verification and Troubleshooting 292</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Virtual Router MAC Address 293</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Interface Tracking 293</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Verifying First Hop 294</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Debug 296</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; HSRP Trouble Tickets 297</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 8-1 297</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 8-2 300</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 8-3 302</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting VRRP 306</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Reviewing VRRP 306</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; VRRP Verification and Troubleshooting 308</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Virtual Router MAC Address 309</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Object Tracking 309</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Verifying First Hop 310</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; VRRP Trouble Tickets 312</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 8-4 312</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 8-5 315</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting GLBP 318</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Reviewing GLBP 319</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; GLBP Verification and Troubleshooting 321</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Virtual Router MAC Addresses 323</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; GLBP Object Tracking 323</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Verifying GLBP First Hop 325</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; GLBP Trouble Tickets 326</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 8-6 327</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 8-7 329</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Comparing HSRP, VRRP, and GLBP 330</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Exam Preparation Tasks 332</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Review All Key Topics 332</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Define Key Terms 333</p> <p style="MARGIN: 0px">&nbsp;&nbsp; &nbsp;Complete Tables and Lists from Memory 333</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Command Reference to Check Your Memory 333</p> <p style="MARGIN: 0px">Part III Troubleshooting Router Features</p> <p style="MARGIN: 0px">Chapter 9 Troubleshooting IPv4 Addressing and Addressing Technologies 335</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; “Do I Know This Already?” Quiz 335</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Foundation Topics 338</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting IPv4 Addressing 338</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; IPv4 Addressing Issues 338</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Determining IP Addresses Within a Subnet 341</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting DHCP for IPv4 342</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Reviewing DHCP Operations 342</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Potential DHCP Troubleshooting Issues 347</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; DHCP Troubleshooting Commands 348</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting NAT 350</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Reviewing NAT 350</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NAT Troubleshooting Issues 353</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NAT Troubleshooting Commands 354</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; IPv4 Addressing and Addressing Technologies Trouble Tickets 356</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 9-1 356</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 9-2 358</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 9-3 361</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Exam Preparation Tasks 364</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Review All Key Topics 364</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Define Key Terms 365</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Command Reference to Check Your Memory 365</p> <p style="MARGIN: 0px">Chapter 10 Troubleshooting IPv6 Addressing and Addressing Technologies 367</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; “Do I Know This Already?” Quiz 367</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Foundation Topics 370</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting IPv6 Addressing 370</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; IPv6 Addressing Review 370</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Neighbor Solicitation and Neighbor Advertisement 370</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; EUI-64 373</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting IPv6 Address Assignment 375</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Stateless Address Autoconfiguration/SLAAC 375</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Stateful DHCPv6 381</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Stateless DHCPv6 382</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; DHCPv6 Operation 384</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; DHCPv6 Relay Agent 385</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; IPv6 Addressing Trouble Tickets 386</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 10-1 386</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 10-2 389</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Exam Preparation Tasks 394</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Review All Key Topics 394</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Define Key Terms 395</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Command Reference to Check Your Memory 395</p> <p style="MARGIN: 0px">Chapter 11 Troubleshooting IPv4 and IPv6 ACLs and Prefix Lists 397</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; “Do I Know This Already?” Quiz 397</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Foundation Topics 401</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting IPv4 ACLs 401</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Reading an IPv4 ACL 401</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Using an IPv4 ACL for Filtering 403</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Using a Time-Based IPv4 ACL 403</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; IPv4 ACL Trouble Tickets 405</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 11-1 405</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting IPv6 ACLs 407</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Reading an IPv6 ACL 408</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Using an IPv6 ACL for Filtering 409</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; IPv6 ACL Trouble Tickets 410</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 11-2 410</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting Prefix Lists 414</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Reading a Prefix List 414</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Prefix List Processing 415</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Prefix List Trouble Tickets 416</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 11-3 417</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Exam Preparation Tasks 419</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Review All Key Topics 419</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Define Key Terms 419</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Command Reference to Check Your Memory 419</p> <p style="MARGIN: 0px">Chapter 12 Troubleshooting Basic IPv4/IPv6 Routing and GRE Tunnels 423</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; “Do I Know This Already?” Quiz 423</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Foundation Topics 427</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Packet-Forwarding Process 427</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Reviewing Layer 3 Packet-Forwarding Process 427</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting the Packet-Forwarding Process 431</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting Routing Information Sources 435</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Data Structures and the Routing Table 436</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Sources of Route Information 436</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting Static Routes 438</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; IPv4 Static Routes 439</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; IPv6 Static Routes 443</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Static Routing Trouble Tickets 445</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 12-1 445</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 12-2 448</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting GRE Tunnels 450</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Exam Preparation Tasks 459</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Review All Key Topics 459</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Define Key Terms 460</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Complete Tables and Lists from Memory 460</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Command Reference to Check Your Memory 460</p> <p style="MARGIN: 0px">Chapter 13 Troubleshooting RIPv2 and RIPng 463</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; “Do I Know This Already?” Quiz 463</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Foundation Topics 466</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting RIPv2 466</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Missing RIPv2 Routes 466</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Interface Is Shut Down 469</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Wrong Subnet 469</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Bad or Missing Network Statement 470</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Passive Interface 471</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Wrong Version 473</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Max Hop Count Exceeded 475</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Authentication 477</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Route Filtering 479</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Split Horizon 480</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Autosummarization 482</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Better Source of Information 483</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ACLs 485</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Load Sharing 485</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Other RIP Issues 486</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Missing Default Route 486</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Route Summarization 487</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting RIPng 492</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; RIPv2 and RIPng Trouble Tickets 498</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 13-1 498</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 13-2 502</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 13-3 506</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Exam Preparation Tasks 509</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Review All Key Topics 509</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Define Key Terms 510</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Command Reference to Check Your Memory 510</p> <p style="MARGIN: 0px">Chapter 14 Troubleshooting EIGRP 513</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; “Do I Know This Already?” Quiz 513</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Foundation Topics 517</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting EIGRP for IPv4 517</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting EIGRP for IPv4 Neighbor Adjacencies 517</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Interface Is Down 518</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Mismatched Autonomous System Numbers 518</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Incorrect Network Statement 520</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Mismatched K Values 522</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Passive Interface 523</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Different Subnets 524</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Authentication 525</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ACLs 527</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Timers 528</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting EIGRP for IPv4 Routes 528</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Bad or Missing Network Command 529</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Better Source of Information 530</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Route Filtering 534</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Stub Configuration 535</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Interface Is Shut Down 537</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Split-horizon 537</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting Miscellaneous EIGRP for IPv4 Issues 539</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Feasible Successors 539</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Discontiguous Networks and Autosummarization 542</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Route Summarization 543</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Load Balancing 544</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; EIGRP for IPv4 Trouble Tickets 546</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 14-1 546</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 14-2 553</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 14-3 557</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting EIGRP for IPv6 561</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting EIGRP for IPv6 Neighbor Issues 561</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Interface Is Down 561</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Mismatched Autonomous System Numbers 562</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Mismatched K Values 562</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Passive Interfaces 562</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Mismatched Authentication 562</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Timers 563</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Interface Not Participating in Routing Process 563</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ACLs 564</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting EIGRP for IPv6 Route 564</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Interface Not Participating in Routing Process 564</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Better Source of Information 565</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Route Filtering 565</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Stub Configuration 565</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Split-horizon 566</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; EIGRP for IPv6 Trouble Tickets 567</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 14-4 568</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting Named EIGRP Configurations 572</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Named EIGRP Verification Commands 573</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Named EIGRP Trouble Tickets 577</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 14-5 577</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Exam Preparation Tasks 582</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Review All Key Topics 582</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Define Key Terms 583</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Command Reference to Check Your Memory 583</p> <p style="MARGIN: 0px">Chapter 15 Troubleshooting OSPF 587</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; “Do I Know This Already?” Quiz 587</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Foundation Topics 590</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting OSPFv2 590</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting OSPFv2 Neighbor Adjacencies 590</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;Interface Is Down 593</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Interface Not Running the OSPF Process 593</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Mismatched Timers 594</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Mismatched Area Numbers 596</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Mismatched Area Type 597</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Different Subnets 598</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Passive Interface 599</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Mismatched Authentication Information 600</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ACLs 601</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; MTU Mismatch 602</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Duplicate Router IDs 603</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Mismatched Network Types 604</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting OSPFv2 Routes 606</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Interface Not Running the OSPF Process 606</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Better Source of Information 607</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Route Filtering 611</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Stub Area Configuration 613</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Interface Is Shut Down 614</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Wrong Designated Router Was Elected 615</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Duplicate Router IDs 619</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting Miscellaneous OSPFv2 Issues 620</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Tracking OSPF Advertisements Through a Network 620</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Route Summarization 622</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Discontiguous Areas 624</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Load Balancing 626</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Default Route 627</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; OSPFv2 Trouble Tickets 627</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 15-1 628</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 15-2 635</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Trouble Ticket 15-3 639</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting OSPFv3 for IPv6 641</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; OSPFv3 Troubleshooting Commands 641</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; OSPFv3 Trouble Tickets 647</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 15-4 647</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 15-5 650</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshoot OSPFv3 Address Families 655</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; OSPFv3 Address Family Troubleshooting 655</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; OSPFv3 AF Trouble Tickets 664</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 15-6 665</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Exam Preparation Tasks 669</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Review All Key Topics 669</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Define Key Terms 670</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Complete Tables and Lists from Memory 670</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Command Reference to Check Your Memory 671</p> <p style="MARGIN: 0px">Chapter 16 Troubleshooting Route Maps and Policy-Based Routing 675</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; “Do I Know This Already?” Quiz 675</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Foundation Topics 678</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting Route Maps 678</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; How to Read a Route Map 678</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting Policy-Based Routing 681</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; PBR 681</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Policy-Based Routing Trouble Tickets 684</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 16-1 685</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 16-2 689</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 16-3 691</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Exam Preparation Tasks 693</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Review All Key Topics 693</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Define Key Terms 693</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Command Reference to Check Your Memory 693</p> <p style="MARGIN: 0px">Chapter 17 Troubleshooting Redistribution 697</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; “Do I Know This Already?” Quiz 697</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Foundation Topics 700</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting IPv4 and IPv6 Redistribution 700</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Route Redistribution Overview 700</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting Redistribution into RIP 703</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting Redistribution into EIGRP 706</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting Redistribution into OSPF 710</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting Redistribution into BGP 715</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting Redistribution with Route Maps 718</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Redistribution Trouble Tickets 718</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 17-1 719</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 17-2 723</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 17-3 727</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 17-4 733</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting Advanced Redistribution Issues 737</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting Suboptimal Routing Caused by Redistribution 737</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Troubleshooting Routing Loops Caused by Redistribution 739</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Exam Preparation Tasks 745</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Review All Key Topics 745</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Define Key Terms 745</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Command Reference to Check Your Memory 746</p> <p style="MARGIN: 0px">Chapter 18 Troubleshooting BGP 749</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; “Do I Know This Already?” Quiz 749</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Foundation Topics 753</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting BGP Neighbor Adjacencies 753</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Interface Is Down 754</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Layer 3 Connectivity Is Broken 754</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Path to Neighbor Is via Default Route 755</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Neighbor Does Not Have a Route to the Local Router 756</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Incorrect neighbor Statement 757</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; BGP Packets Sourced from Wrong IP Address 758</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; ACLs 759</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; TTL of BGP Packet Expires 761</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Mismatched Authentication 763</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Misconfigured Peer Groups 764</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Timers 765</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting BGP Routes 766</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Missing or Bad network mask Command 768</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Next-Hop Router Not Reachable 770</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; BGP Split-Horizon Rule 772</p> <p style="MARGIN: 0px">&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Better Source of Information 773</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Route Filtering 775</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting BGP Path Selection 780</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Understanding the Best Path Decision-Making Process 781</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Private Autonomous System Numbers 784</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Using debug Commands 784</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Troubleshooting BGP for IPv6 786</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; BGP Trouble Tickets 790</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 18-1 791</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 18-2 796</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 18-3 802</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; MP-BGP Trouble Tickets 807</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 18-4 807</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Exam Preparation Tasks 810</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Review All Key Topics 810</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Define Key Terms 811</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Command Reference to Check Your Memory 811</p> <p style="MARGIN: 0px">Part IV Troubleshooting Management</p> <p style="MARGIN: 0px">Chapter 19 Troubleshooting Management Protocols and Tools 815</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; “Do I Know This Already?” Quiz 815</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Foundation Topics 818</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Management Protocols Troubleshooting 818</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; NTP Troubleshooting 818</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Syslog Troubleshooting 821</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; SNMP Troubleshooting 823</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Management Tools Troubleshooting 826</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Cisco IOS IPSLA Troubleshooting 827</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Object Tracking Troubleshooting 833</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SPAN and RSPAN Troubleshooting 835</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Management Protocols and Tools Trouble Tickets 837</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 19-1 838</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Exam Preparation Tasks 845</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Review All Key Topics 845</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Define Key Terms 846</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Command Reference to Check Your Memory 846</p> <p style="MARGIN: 0px">Chapter 20 Troubleshooting Management Access 851</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; “Do I Know This Already?” Quiz 851</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Foundation Topics 854</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Console and vty Access Troubleshooting 854</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Console Access Troubleshooting 854</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; vty Access Troubleshooting 855</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Telnet 855</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; SSH 857</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Password Encryption Levels 858</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Cisco IOS AAA Troubleshooting 858</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Management Access Trouble Tickets 861</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 20-1 862</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 20-2 863</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Trouble Ticket 20-3 865</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Exam Preparation Tasks 868</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Review All Key Topics 868</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Define Key Terms 868</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Command Reference to Check Your Memory 868</p> <p style="MARGIN: 0px">Part V Final Preparation</p> <p style="MARGIN: 0px">Chapter 21 Additional Trouble Tickets 871</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Introduction 871</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Trouble Ticket 1 872</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Suggested Solution 875</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Trouble Ticket 2 876</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Suggested Solution 879</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Trouble Ticket 3 880</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Suggested Solution 882</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Trouble Ticket 4 884</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Issue 1: Suggested Solution 891</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Issue 2: Suggested Solution 897</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Issue 3: Suggested Solution 897</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Issue 4: Suggested Solution 898</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Trouble Ticket 5 901</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Suggested Solution 907</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Trouble Ticket 6 910</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Suggested Solution 916</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Trouble Ticket 7 918</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Issue 1: Forgotten Enable Secret Password 919</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Issue 1: Suggested Solution 919</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Issue 2: An exec-timeout Parameter Set Too Low 921</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Issue 2: Suggested Solution 921</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Issue 3: ACL Misconfiguration 922</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Issue 3: Suggested Solution 922</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Trouble Ticket 8 923</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Suggested Solution 926</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Trouble Ticket 9 926</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Issue 1: Adjacency Between Routers R1 and R2 927</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Issue 1: Suggested Solution 930</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Issue 2: Adjacency Between Routers R2 and BB2 930</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Issue 2: Suggested Solution 931</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Issue 3: Adjacency Between Routers BB1 and BB2 931</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;Issue 3: Suggested Solution 933</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Trouble Ticket 10 934</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Issue 1: Router R2 Not Load Balancing Between Routers BB1 and BB2 937</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Issue 1: Suggested Solution 937</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Issue 2: Backbone Routes Not Being Suppressed 938</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Issue 2: Suggested Solution 939</p> <p style="MARGIN: 0px">Chapter 22 Final Preparation 943</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Tools for Final Preparation 943</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Exam Engine and Questions on the CD 943</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Install the Exam Engine 944</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Activate and Download the Practice Exam 944</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Activating Other Exams 945</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Premium Edition 945</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; The Cisco Learning Network 945</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Memory Tables 945</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Chapter-Ending Review Tools 946</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Suggested Plan for Final Review/Study 946</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Step 1: Review Key Topics and DIKTA Questions 947</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Step 3: Hands-On Practice 947</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Step 5: Subnetting Practice 948</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Step 6: Use the Exam Engine 948</p> <p style="MARGIN: 0px">&nbsp;&nbsp;&nbsp; Summary 949</p> <p style="MARGIN: 0px">Part VI Appendixes</p> <p style="MARGIN: 0px">Appendix A Answers to the “Do I Know This Already” Quizzes 951</p> <p style="MARGIN: 0px">Appendix B TSHOOT Exam Updates 957</p> <p style="MARGIN: 0px">CD-Only Appendixes and Glossary</p> <p style="MARGIN: 0px">Appendix C Memory Tables</p> <p style="MARGIN: 0px">Appendix D Memory Tables Answer Key</p> <p style="MARGIN: 0px">Appendix E Study Planner</p> <p style="MARGIN: 0px">9781587205613, 10/29/14, MF</p>

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