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

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06:47:25: BR0/0:1 PPP: Treating connection as a callout 06:47:25: BR0/0:1 PPP: Phase is ESTABLISHING, Active Open 06:47:25: BR0/0:1 LCP: O CONFREQ [Closed] id 51 len 10 06:47:25: BR0/0:1 LCP: MagicNumber 0x030BEA68 (0x0506030BEA68) 06:47:25: BR0/0:1 LCP: I CONFREQ [REQsent] id 77 len 15 06:47:25: BR0/0:1 LCP: AuthProto CHAP (0x0305C22305) 06:47:25: BR0/0:1 LCP: MagicNumber 0x055899FC (0x0506055899FC) 06:47:25: BR0/0:1 LCP: O CONFACK [REQsent] id 77 len 15 06:47:25: BR0/0:1 LCP: AuthProto CHAP (0x0305C22305) 06:47:25: BR0/0:1 LCP: MagicNumber 0x055899FC (0x0506055899FC) 06:47:25: BR0/0:1 LCP: I CONFACK [ACKsent] id 51 len 10 06:47:25: BR0/0:1 LCP: MagicNumber 0x030BEA68 (0x0506030BEA68) 06:47:25: BR0/0:1 LCP: State is Open 06:47:25: BR0/0:1 PPP: Phase is AUTHENTICATING, <strong>by</strong> the peer 06:47:25: BR0/0:1 CHAP: I CHALLENGE id 41 len 27 from "smarts" 06:47:25: BR0/0:1 CHAP: Username smarts not found 06:47:29: BR0/0:1 CHAP: Unable to authenticate for peer 06:47:29: BR0/0:1 PPP: Phase is TERMINATING 06:47:29: BR0/0:1 LCP: O TERMREQ [Open] id 56 len 4 06:47:29: BR0/0:1 LCP: I TERMACK [TERMsent] id 56 len 4 06:47:29: BR0/0:1 LCP: State is Closed 06:47:29: BR0/0:1 PPP: Phase is DOWN Here we are looking for a username that does not exist. So we go in and make a username “smarts” (like it is asking for) with a password (usually the enable secret password). So what have I learned here? So is your mind fried yet? In this lab we learned how the theory of how ISDN operates and how to troubleshoot it. Like our other troubleshooting labs we just follow the OSI model. Please keep in mind that ISDN problems may not always be ISDN-related. In one of the next labs you will be setting up ISDN between four routers. At first when I could not get it to work I ran through my IDSN troubleshooting steps. I also used ICMP debug commands. Still it wouldn’t work. Then I remembered an obscure reference to a PPP command (MLP-PPP multilink) that made it work. So, what seems to be causing the problem may not be it at all. Keep your mind open. If something bothers you too much, just walk away and go shoot some pool for an hour. You would be amazed how easy the answer comes after that. Plus its fun to go shoot pool too. 445
ISDN Configuration with Multiple Routers (ADTRAN) Objective: To learn how to set up a ISDN network with four routers, using BRI interfaces. In this lab you will be using an ADTRAN box for ISDN emulation. Tools and Materials: (2) routers (2) straight-through cables (1) workstation (1) ADTRAN Atlas 550 (2) PC/workstations (2) console cables Lab Design: 3 4 1 2 Router Geoffrey Osowski Loop 0 192.168.110.1/24 192.168.120.1/24 BRI0 192.168.1.1/24 192.168.1.2/24 Adtran Port 1 2 Phone number 555-1234 555-4000 SPID1 51055512340001 51055540000001 SPID2 51055512350001 51055540010001 Router Wilson Tang Loop 0 192.168.130.1/24 192.168.140.1/24 BRI0 192.168.1.3/24 192.168.1.4/24 Adtran Port 3 4 Phone number 555-7000 555-8000 SPID1 51055570000001 51055580000001 SPID2 51055570010001 51055580010001 446
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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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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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connection to the root switch. That
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8. Change the cost of port 7 back t
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4. Now we need to assign ports to t
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c. Click on [A] for add a VLAN (thi
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Mixing it up: VLAN’s with STP Obj
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Subnetting Example: ABC Packaging O
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4. Stop the capture. You should see
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Part 3 Command Review Objective: To
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Whole Enchilada/Crazy Insano Lab #1
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Paper Lab: CISCO Three-Layer Hierar
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Protocol Deathmatch: RIP versus RIP
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company and control access between
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Step-By-Step Instructions: 1. Set u
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Guest Router Name Derivation In 199
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Workstations A B IP 200.150.100.2 2
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I 202.150.100.0/24 [100/8576] via 2
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Here we can see the entry for netwo
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Redistribution of IGRP and RIP Obje
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3. Now we can see how this affects
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dennis(config)#router rip dennis(co
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Gateway of last resort is not set I
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to add the extra metrics statements
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7. Notice the reachable/not reachab
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(VLSM/CIDR). OSPF on a wider scale
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wash# leung#sh ip ospf Routing Proc
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Border Gateway Protocol (BGP) Objec
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3. Let’s add in the BGP. It too u
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BGP table version is 24, local rout
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What time interval for each protoco
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Basic IP/IPX with Dynamic Routing O
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gibson#ping ipx 0000.1234.1111 % Un
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gibson#debug ipx sap ? activity IPX
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IPX Lab Diagram: network 100 enc SA
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7. Now let’s try that ping IPX ag
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Objective: To learn how to create w
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Paper Lab: Access Control Lists Obj
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Now we just need to do the second s
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Now let’s try to “free-hand”
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4. Make four text files and put one
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10. Try the shortcut to the 192.168
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Objective: To implement an extended
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8. Now let’s try the show access
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Objective: To implement a named acc
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actually build a mini-protocol insp
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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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Prompt Command Shortcut Description
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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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Page 404 and 405: Step-By-Step Instructions: 1. Cable
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Page 412 and 413: Frame Relay Operation and Troublesh
Page 414 and 415: network we will see all but our own
Page 416 and 417: 7. Wrong ip address/mask Here I jus
Page 418 and 419: outer#sh frame map Serial0/0 (up):
Page 420 and 421: 3. Configure the ISDN interface on
Page 422 and 423: Challenge Lab or Supplemental Activ
Page 424 and 425: 3. Configure the ISDN interface on
Page 426 and 427: 00:21:08: %LINEPROTO-5-UPDOWN: Line
Page 428 and 429: Data Link Layer Two things happen h
Page 430 and 431: 00:13:27: %LINEPROTO-5-UPDOWN: Line
Page 432 and 433: In line 1 we see our Q931 requestin
Page 434 and 435: Type escape sequence to abort. Send
Page 436 and 437: 36. IPCP: Install route to 192.168.
Page 438 and 439: Last C/I to ISDN transceiver: AI:Ac
Page 440 and 441: kissane#sh controller bri BRI unit
Page 442 and 443: 05:04:35: BR0/0:2 DDR: disconnectin
Page 444 and 445: Type escape sequence to abort. Send
Page 446 and 447: Sending 5, 100-byte ICMP Echos to 1
Page 448 and 449: kissane#debug ppp nego PPP protocol
Page 450 and 451: kissane#debug ppp nego PPP protocol
Page 454 and 455: Step-By-Step Instructions: 1. Confi
Page 456 and 457: 7. Try to ping the loopback. You sh
Page 458 and 459: Frame Relay with ISDN Backup Object
Page 460 and 461: So what have I learned here? In thi
Page 462 and 463: Prompt Command Shortcut Description
Page 464 and 465: Coming In the Next Version of the T
Page 466: Did you like this book? There’s m
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