Learning by Doing: CISCO Certified Network ... - SCN Research

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7. Notice the reachable/not reachable routes and how our metrics changed from those “K” numbers to those like IGRP metrics. Neat! 8. Let’s compare the protocol inspector out put to a debug eigrp packets: wopr#debug eigrp packets EIGRP Packets debugging is on (UPDATE, REQUEST, QUERY, REPLY, HELLO, IPXSAP, PROBE, ACK) 00:08:10: EIGRP: Sending HELLO on Ethernet0/0 00:08:10: AS 88, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 00:08:10: EIGRP: Received HELLO on Ethernet0/0 nbr 138.74.16.1 00:08:10: AS 88, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/0 00:08:10: EIGRP: Sending HELLO on Loopback0 00:08:10: AS 88, Flags 0x0, Seq 0/0 idbQ 0/0 iidbQ un/rely 0/0 00:08:10: EIGRP: Received HELLO on Loopback0 nbr 1.1.1.1 00:08:10: AS 88, Flags 0x0, Seq 0/0 idbQ 0/0 00:08:10: EIGRP: Packet from ourselves ignored 00:08:17: EIGRP: Received QUERY on Ethernet0/0 nbr 138.74.16.1 00:08:17: AS 88, Flags 0x0, Seq 16/0 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely0/0 00:08:17: EIGRP: Enqueueing ACK on Ethernet0/0 nbr 138.74.16.1 00:08:17: Ack seq 16 iidbQ un/rely 0/0 peerQ un/rely 1/0 00:08:17: EIGRP: Sending ACK on Ethernet0/0 nbr 138.74.16.1 00:08:17: AS 88, Flags 0x0, Seq 0/16 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely1/0 00:08:17: EIGRP: Enqueueing REPLY on Ethernet0/0 nbr 138.74.16.1 iidbQ un/rely 0 /1 peerQ un/rely 0/0 serno 9-11 00:08:17: EIGRP: Requeued unicast on Ethernet0/0 00:08:17: EIGRP: Sending REPLY on Ethernet0/0 nbr 138.74.16.1 00:08:17: AS 88, Flags 0x0, Seq 6/16 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely0/1 serno 9-11 00:08:17: EIGRP: Received ACK on Ethernet0/0 nbr 138.74.16.1 00:08:17: AS 88, Flags 0x0, Seq 0/6 idbQ 0/0 iidbQ un/rely 0/0 peerQ un/rely 0/1 00:08:31: EIGRP: Ethernet0/0 multicast flow blocking cleared wopr# 9. Let’s reconnect it and look at our ip routes: wopr#sh ip route Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP 309
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, * - candidate default U - per-user static route, o - ODR Gateway of last resort is not set C 1.0.0.0/8 is directly connected, Loopback0 D 220.34.98.0/24 [90/2221056] via 138.74.16.1, 00:00:59, Ethernet0/0 D 14.0.0.0/8 [90/2195456] via 138.74.16.1, 00:01:04, Ethernet0/0 C 138.64.0.0/12 is directly connected, Ethernet0/0 wopr# war#sh ip route Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, * - candidate default U - per-user static route, o - ODR Gateway of last resort is not set D 1.0.0.0/8 [90/409600] via 138.74.16.3, 00:05:46, Ethernet0/0 138.74.0.0/16 is variably subnetted, 2 subnets, 2 masks D 138.74.0.0/16 is a summary, 00:23:55, Null0 C 138.74.16.0/20 is directly connected, Ethernet0/0 D 220.34.98.0/24 [90/2195456] via 14.32.0.2, 00:01:10, Serial0/0 14.0.0.0/8 is variably subnetted, 2 subnets, 2 masks D 14.0.0.0/8 is a summary, 00:01:15, Null0 C 14.32.0.0/12 is directly connected, Serial0/0 games#sh ip route Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, * - candidate default U - per-user static route, o - ODR Gateway of last resort is not set D 1.0.0.0/8 [90/2323456] via 14.32.0.1, 00:01:18, Serial0/1 D 138.74.0.0/16 [90/2195456] via 14.32.0.1, 00:01:19, Serial0/1 220.34.98.0/24 is variably subnetted, 2 subnets, 2 masks C 220.34.98.16/28 is directly connected, Ethernet0/0 D 220.34.98.0/24 is a summary, 00:21:54, Null0 14.0.0.0/8 is variably subnetted, 2 subnets, 2 masks D 14.0.0.0/8 is a summary, 00:01:23, Null0 C 14.32.0.0/12 is directly connected, Serial0/1 games# Notice how our EIGRP routes are noted with a “D” not an “E.” 310
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Learning by Doing: CISCO Certified
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About the Author Matthew Basham is
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Acknowledgements Preface Table of C
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Basic Access Control Lists 342 Exte
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Searching CISCO for CCNA Test infor
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Figure 5—Scroll down to CCNA exam
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Objective: This lab is designed to
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g. If you really have some time to
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C:\ |___CDDROM\ |___MY_Documents\ |
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Sometimes we do not always know or
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find format keyb label mode more nl
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WINREP.EXE WINFILE.EXE WINHELP.EXE
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pause copy c:\temp\matt.txt c:\temp
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Cool Windows 95/98 Utilities KRNL38
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Changing TCP/IP Settings on Your Co
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Gateway Tab Figure 4—Putting in a
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Paper Lab: ICONS for Computer Diagr
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CISCO Net Ranger—CISCO security d
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Laptop—ditto. File server—Used
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Firewall—Network Address Translat
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Paper Lab: Proper Cable for the Pro
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Rollover (ro): Used for connecting
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Change hubs to switches: 38
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Add in a web access: DSU/CSU WWW 40
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4. Click on the file and print shar
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Figure 7—Selecting the options fo
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You should see something like this:
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purpose. Check your documentation.
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Now along the column headings we se
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Let’s try another one: 223. Start
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Then, using a different color marke
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Let me just walk through one more
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2 7 2 6 2 5 2 4 2 3 2 2 2 1 2 0 128
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For example, lets convert the binar
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To convert a large hexadecimal numb
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Network Data Link Physical Provides
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Encapsulation As we move down the O
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Session Transport Network Data Link
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Objective: To be able to learn more
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There are all kinds of other topolo
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Supplemental Lab or Challenge Activ
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The Start of Frame Delimiter (SOF)
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The Control (con) is 1 byte long an
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The Options (Opt) field can vary in
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only one port at a time. The hub al
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1 3 5 7 Workstation Workstation Wor
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Supplemental Labs or Challenge Acti
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9. Collision Domains: ____________
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Paper Lab: Subnetting Objective: To
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12. Routers pass packets between __
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2. Which of the following dotted no
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18. Select the IP address for the s
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12. What is the decimal to binary c
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4. How many possible subnets can be
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16. How would the host field be exp
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Subnet masking 1. How would the sub
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Whole enchilada problems 1. Which o
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Objective: To learn how to design n
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Subnetting Example: John’s Brewho
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Intermediate DOS Lab: Troubleshooti
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7. We know we have good connections
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DHCP Lab Objective: To learn about
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5. Notice how our address may diffe
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Free Protocol Inspector Objective:
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Objective: To learn how to use a pr
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Notice how we have three frames wit
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5. Type cd pub to change to the pub
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Protocols and the OSI Model Objecti
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DECnet Suite OSI Model 7 Protocol 6
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Layer 2 Technologies: LAN’s OSI M
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Supplemental Labs or Challenge Acti
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Once you click “connect” you sh
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Fun Ports to Surf with Telnet To op
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6. Make sure you have the following
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(Step 1) Configure a connection on
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. Double-click on “dial-up networ
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Step-By-Step Instructions: 1. You a
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Figure 5d—Isn’t that nice? 4. C
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Your Modem and You Objective: This
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AT&F load factory defaults and sett
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Part 2: Basic Routing I 154
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More importantly to you right now i
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Ethernet Console AUX Power Power Po
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Objective: To become familiar with
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9. Write down what you see on the w
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outer#terminal history size 5 17. U
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Other modes you may use include: co
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Objectives: To more fully understan
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So let’s look at a boot sequence
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Step-by-Step Instructions: 1. Hook
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NVRAM Flash RAM/DRAM ROM CPU Serial
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Basic Router Configuration Objectiv
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8. Once you have determined that yo
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Basic Rip Objectives: To learn abou
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It’s ok if you see it, but you pr
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Gateway of last resort is not set C
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Supplemental Lab or Challenge Activ
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Step-by-Step Instructions: 1. Troub
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Input queue: 0/75/0 (size/max/drops
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1 192.168.30.2 16 msec 16 msec * Ra
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5. Finally, do not forget about tho
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Loopback Interfaces Objectives: To
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2. We can use a loopback interface
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C:\WINDOWS\Desktop>ping 22.22.22.22
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Basic RIP with Protocol Inspector O
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5. Wait two minutes. Remember, you
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Router Telnet Lab Objective: To lea
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william#debug telnet Incoming Telne
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Addressing: Routers Hostnames Phibe
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On Optik you should see: optik#debu
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Scenario 3: Hostnames Phiber Optik
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5. Setup the workstations with IP a
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RIP metrics and the Limitations of
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Interface Send Recv Key-chain Ether
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Step-by-Step Instructions: 1. Cable
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Subnetting with DHCP Objectives: To
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Objective: To learn how to implemen
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So What Have I Learned Here? In thi
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Workstations A B IP 161.20.2.2 161.
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Now let’s explore some of the oth
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Overcoming Problems with Routing Lo
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RIP Version 2 and Redistribution wi
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9. Use your knowledge of debug comm
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Prompt Command Shortcut Description
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Design a network using VLSM and the
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Troubleshooting scenarios for Part
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Switch Maintenance Objective: In th
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Remember how we just put in a passw
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Just click on “yes” to clear th
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Step-By-Step Instructions: 1. You s
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Figure 2—STP showing cost of 10.
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Intermediate STP Objective: To be a
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Page 268 and 269: 8. Change the cost of port 7 back t
Page 270 and 271: 4. Now we need to assign ports to t
Page 272 and 273: c. Click on [A] for add a VLAN (thi
Page 274 and 275: Mixing it up: VLAN’s with STP Obj
Page 276 and 277: Subnetting Example: ABC Packaging O
Page 278 and 279: 4. Stop the capture. You should see
Page 280 and 281: Part 3 Command Review Objective: To
Page 282 and 283: Whole Enchilada/Crazy Insano Lab #1
Page 288 and 289: Paper Lab: CISCO Three-Layer Hierar
Page 290 and 291: Protocol Deathmatch: RIP versus RIP
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Page 294 and 295: Supplemental Lab or Challenge Activ
Page 296 and 297: Step-By-Step Instructions: 1. Set u
Page 298 and 299: Guest Router Name Derivation In 199
Page 300 and 301: Workstations A B IP 200.150.100.2 2
Page 302 and 303: I 202.150.100.0/24 [100/8576] via 2
Page 304 and 305: Here we can see the entry for netwo
Page 306 and 307: Redistribution of IGRP and RIP Obje
Page 308 and 309: 3. Now we can see how this affects
Page 310 and 311: dennis(config)#router rip dennis(co
Page 312 and 313: Gateway of last resort is not set I
Page 314 and 315: to add the extra metrics statements
Page 320 and 321: (VLSM/CIDR). OSPF on a wider scale
Page 322 and 323: wash# leung#sh ip ospf Routing Proc
Page 324 and 325: Border Gateway Protocol (BGP) Objec
Page 326 and 327: 3. Let’s add in the BGP. It too u
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Page 332 and 333: Basic IP/IPX with Dynamic Routing O
Page 334 and 335: gibson#ping ipx 0000.1234.1111 % Un
Page 336 and 337: gibson#debug ipx sap ? activity IPX
Page 338 and 339: IPX Lab Diagram: network 100 enc SA
Page 340 and 341: 7. Now let’s try that ping IPX ag
Page 342 and 343: Objective: To learn how to create w
Page 344 and 345: Paper Lab: Access Control Lists Obj
Page 346 and 347: Now we just need to do the second s
Page 348 and 349: Now let’s try to “free-hand”
Page 350 and 351: 4. Make four text files and put one
Page 352 and 353: 10. Try the shortcut to the 192.168
Page 354 and 355: Objective: To implement an extended
Page 356 and 357: 8. Now let’s try the show access
Page 358 and 359: Objective: To implement a named acc
Page 362 and 363: actually build a mini-protocol insp
Page 364 and 365: Log Buffer (4096 bytes): 00:27:14:
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Firewall Basics using Reflexive ACL
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7. Even though that ACL works let
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Whole Enchilada/Crazy Insano Lab #2
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Registering for Your CCNA Exam Obje
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3. Configure the router to receive
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Point-to-Point Protocol (PPP) Objec
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MTU 1500 bytes, BW 128 Kbit, DLY 20
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So what have I learned here? In thi
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PAP (Password Authentication Protoc
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00:54:36: Se0/0 IPCP: O CONFREQ [Cl
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4. Let’s turn off debugging. Use
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20. 01:24:46: Se0/1 LCP: MagicNumbe
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“real-world” scenario. Undo all
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Remote Access DUN with PPP Encapsul
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lord(config)#ipx routing 0000.BBBB.
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Setting up a Router to be a Frame R
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Objective: To learn how to set up a
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turner#sh frame-relay pvc PVC Stati
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Step-By-Step Instructions: 1. Cable
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Fully-Meshed Frame Relay with 3 Rou
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Shadow 16 17 18 18 Diekman 17 16 Kn
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interface connections for #16 and #
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Frame Relay Operation and Troublesh
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network we will see all but our own
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7. Wrong ip address/mask Here I jus
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outer#sh frame map Serial0/0 (up):
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3. Configure the ISDN interface on
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Challenge Lab or Supplemental Activ
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3. Configure the ISDN interface on
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00:21:08: %LINEPROTO-5-UPDOWN: Line
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Data Link Layer Two things happen h
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00:13:27: %LINEPROTO-5-UPDOWN: Line
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In line 1 we see our Q931 requestin
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Type escape sequence to abort. Send
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36. IPCP: Install route to 192.168.
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Last C/I to ISDN transceiver: AI:Ac
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kissane#sh controller bri BRI unit
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05:04:35: BR0/0:2 DDR: disconnectin
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Type escape sequence to abort. Send
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Sending 5, 100-byte ICMP Echos to 1
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kissane#debug ppp nego PPP protocol
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kissane#debug ppp nego PPP protocol
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06:47:25: BR0/0:1 PPP: Treating con
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Step-By-Step Instructions: 1. Confi
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7. Try to ping the loopback. You sh
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Frame Relay with ISDN Backup Object
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So what have I learned here? In thi
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Coming In the Next Version of the T
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Did you like this book? There’s m
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