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

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Interface Send Recv Key-chain Ethernet0/0 1 1 2 Serial0/1 1 1 2 Routing for Networks: 10.0.0.0 192.168.3.0 Routing Information Sources: Gateway Distance Last Update 10.2.1.1 120 00:00:07 Distance: (default is 120) scorpion# Supplemental Lab or Challenge Activity: 1. Why would you want to be able to change the timers? Come on now and think hard. 2. Fill in the table below with the default timers for RIP to give you some perspective on the RIP metrics. They sound like nice CCNA questions don’t they? Metric Hop count Update timer Invalid timer Hold-down timer Flush timer Value So What Have I Learned Here? In this lab you learned about the metrics involved with RIP. Ok. So there aren’t that many, but other protocols will have many metrics so this is a good introduction. Next you will be turning your router into a DHCP server. Gosh that is fun! Guest Router Name Derivation Acid Phreak and Scorpion are more members of the Master’s of Deception (MoD) hackers ring in New York City in the 1980’s/early 1990’s. They were instrumental in starting the Great Hacker War against the Legion of Doom (LoD) hackers ring (also from NYC). Eventually the LoD were persuaded to cooperate with the police and helped to bust the MoD. 221
Dynamic Host Configuration Protocol (DHCP) Lab Objective: To learn how to implement DHCP using CISCO routers in networks. Background: Although it is preferable to use an actual DHCP server for addressing in a network CISCO routers can be used to serve that purpose. The command you will need to be more familiar with is the ip helper address to point your subnets to the DHCP server. As you see below you must use at least one 2620 router as the DHCP server. This router has the memory and operating system capable of supporting DHCP. Sorry those 2500’s and 2610/2611’s just won’t work. Tools and Materials: (2) PC/workstations (2) Routers (one must be at least a 2620). (2) Switches (4) Straight-through cables (1) DCE serial cable (1) DTE serial cable (2) rollover cables Lab Diagram: dhcp e0 con s0 s1 con mitnik e0 NIC COM1 COM1 NIC Workstation “A” Workstation “B” Addressing: Routers Hostnames kevin mitnik E0 10.0.0.1/8 192.168.3.1/24 S0 192.168.1.2/24 (DCE) n/a S1 n/a 192.168.1.1/24 (DTE) Workstations A B IP 10.0.0.2 192.168.3.2 SM 255.0.0.0 255.255.255.0 GW 10.0.0.1 192.168.3.1 222
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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
Page 177 and 178: So let’s look at a boot sequence
Page 179 and 180: Step-by-Step Instructions: 1. Hook
Page 181 and 182: NVRAM Flash RAM/DRAM ROM CPU Serial
Page 184 and 185: Basic Router Configuration Objectiv
Page 186 and 187: 8. Once you have determined that yo
Page 188 and 189: Basic Rip Objectives: To learn abou
Page 190 and 191: It’s ok if you see it, but you pr
Page 192 and 193: Gateway of last resort is not set C
Page 194 and 195: Supplemental Lab or Challenge Activ
Page 196 and 197: Step-by-Step Instructions: 1. Troub
Page 198 and 199: Input queue: 0/75/0 (size/max/drops
Page 200 and 201: 1 192.168.30.2 16 msec 16 msec * Ra
Page 202 and 203: 5. Finally, do not forget about tho
Page 204 and 205: Loopback Interfaces Objectives: To
Page 206 and 207: 2. We can use a loopback interface
Page 208 and 209: C:\WINDOWS\Desktop>ping 22.22.22.22
Page 210 and 211: Basic RIP with Protocol Inspector O
Page 212 and 213: 5. Wait two minutes. Remember, you
Page 214 and 215: Router Telnet Lab Objective: To lea
Page 216 and 217: william#debug telnet Incoming Telne
Page 218 and 219: Addressing: Routers Hostnames Phibe
Page 220 and 221: On Optik you should see: optik#debu
Page 222 and 223: Scenario 3: Hostnames Phiber Optik
Page 224 and 225: 5. Setup the workstations with IP a
Page 226 and 227: RIP metrics and the Limitations of
Page 230 and 231: Step-by-Step Instructions: 1. Cable
Page 232 and 233: Subnetting with DHCP Objectives: To
Page 234 and 235: Objective: To learn how to implemen
Page 236 and 237: So What Have I Learned Here? In thi
Page 238 and 239: Workstations A B IP 161.20.2.2 161.
Page 240 and 241: Now let’s explore some of the oth
Page 242 and 243: Overcoming Problems with Routing Lo
Page 244 and 245: RIP Version 2 and Redistribution wi
Page 246 and 247: 9. Use your knowledge of debug comm
Page 248 and 249: Prompt Command Shortcut Description
Page 250 and 251: Design a network using VLSM and the
Page 252 and 253: Troubleshooting scenarios for Part
Page 254 and 255: Switch Maintenance Objective: In th
Page 256 and 257: Remember how we just put in a passw
Page 258 and 259: Just click on “yes” to clear th
Page 260 and 261: Step-By-Step Instructions: 1. You s
Page 262 and 263: Figure 2—STP showing cost of 10.
Page 264 and 265: Intermediate STP Objective: To be a
Page 266 and 267: connection to the root switch. That
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
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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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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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Prompt Command Shortcut Description
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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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