CCNA Complete Guide 2nd Edition.pdf - Cisco Learning Home

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Routers Back-to-Back Connection Through AUX Ports Figure A2-2: Back to Back AUX Connection - Back-to-Back AUX Connection configuration on RT1: ! interface Async1 ip address 10.10.10.1 255.255.255.0 async mode dedicated ! ip route 0.0.0.0 0.0.0.0 Async1 ! line aux 0 speed 38400 ! - Back-to-Back AUX Connection configuration on RT2: ! interface Async1 ip address 10.10.10.2 255.255.255.0 async mode dedicated ! ip route 0.0.0.0 0.0.0.0 Async1 ! line aux 0 speed 38400 ! RT1 RT2 172.16.1.0/24 AUX AUX 172.16.2.0/24 rollover cable - The Async1 interfaces above use SLIP encapsulation (by default). PPP encapsulation can also be used to provide other additional features, eg: authentication. - Static routes are being used, as routers could not send routing updates across AUX connections. 221 Copyright © 2008 Yap Chin Hoong yapchinhoong@hotmail.com
Constructing a Compound Frame Relay Switch DLCI 101 RT1 DLCI 102 DLCI 103 Frame Relay Cloud DLCI 101 DLCI 101 DLCI 102 RT2 DLCI 103 DLCI 102 RT3 DLCI 103 Figure A2-3: Sample Frame Relay Switching Network II DLCI 101 RT1 S0 AUX S0 S1 FR-SW1 FR-SW2 DLCI 102 RT2 RT3 DLCI 103 Figure A2-4: Physical Connections with a Compound Frame Relay Switch DLCI 102 DLCI 101 DLCI 103 DLCI 1001 Tunnel0 DLCI 1002 DLCI 101 DLCI 102 DLCI 101 DLCI 103 Figure A2-5: Complex Frame Relay DLCIs Mapping 222 Copyright © 2008 Yap Chin Hoong yapchinhoong@hotmail.com
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CCNA Complete Guide 2nd Edition Yap
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CCNA Complete Guide 2nd Edition Cop
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Upper Layers Lower Layers Applicati
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Cisco Hierarchical Model - Defined
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Header Length (4) Source Port (16)
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- Socket is a communication channel
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- The length of an IP address is 32
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- The following section discusses s
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- Below lists the 2 sublayers in th
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- Each switch port does not share t
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- Below lists the switch internal p
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Physical Layer - The physical layer
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- Another way to reduce emissions i
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Figure 3-7: Single-Mode and Multimo
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Wireless AP Switch Figure 3-8: 802.
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- Below lists the common IOS CLI er
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RT1#show running-config interface F
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- Cisco IOS treats a mistyped comma
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- Below describes the STP convergen
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- Refer back to Figure 5-1B, assume
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- A switch running RSTP only need 6
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Port Security Configuration - Port
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SW2# 00:25:00: STP: VLAN0001 new ro
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- Both protocols utilize a 12-bit V
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Layer 4 Switching (Content Switchin
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- VTP Pruning provides a way to pre
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VLAN Trunking Protocol Configuratio
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- VLAN information will not be prop
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- Private IP addresses are non-rout
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- Some materials calculate the numb
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Cisco Discovery Protocol (CDP) c250
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- CDP is enabled by default. The no
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Troubleshooting IP - Internet Contr
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- Firstly, PC1 purposely sends out
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- Below describes the operation of
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Maximum Hop Count Hop count metric
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- Invalid Timer specifies how long
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- Initial configuration on RT2: Rou
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- Static Routing configuration on R
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- RIPv1 and IGRP are classful routi
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- IGRP configuration on RT2: RT2(co
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MISC IP Routing Commands - The pass
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- OSPF uses a reliable protocol to
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- OSPF areas break up a network so
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- EIGRP uses the same formula as us
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- Autosummarization EIGRP supports
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- OSPF Single-Area configuration on
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- The show ip ospf database EXEC co
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OSPF Multiarea Configuration Area 1
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- Below lists the different termino
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- Verify the EIGRP configuration on
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- When a link to a neighbor fails,
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- Below shows the beauty of VLSM. B
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- RT1 and RT3 are summarizing route
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- RIPv1 and IGRP perform autosummar
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RT1#sh ip route Gateway of last res
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MTU and Fragmentation - Maximum Tra
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- Figure 17-1 shows the usage of CI
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- Static NAT performs one-to-one ma
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172.16.1.1 172.16.1.2 172.16.1.3 17
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- Below shows the IP NAT debugging
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- The access list indicates whether
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- Access Control List (ACL) is the
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- Below lists some other usages of
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- Standard IP Access Lists configur
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RT2#sh access-lists example01 Exten
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WAN Network RT1 CSU/DSU CSU/DSU RT2
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Remote Access Technologies - Remote
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Digital Subscriber Lines (DSL) - DS
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Point-to-Point Serial Links (Leased
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- Comparisons between synchronous a
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- PPP Encapsulation configuration o
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- The function of the username {rem
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- 3 LMI protocol options are availa
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- Comparisons between Frame Relay L
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RT1 RT2 RT3 Figure 23-7A: RT1 with
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- IETF Frame Relay encapsulation ty
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RT1 Frame Relay RT2 DLCI 101 Frame
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Page 179 and 180: - By operating in the 5GHz radio ba
Page 181 and 182: - Every packet from every access po
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Page 185 and 186: Wireless Security - Organizations t
Page 187 and 188: Wireless Management - WLANs require
Page 189 and 190: Cisco Wireless LAN Configuration -
Page 191 and 192: - ISDN offers very fast call setup
Page 193 and 194: - ISDN was designed to reuse the ex
Page 195 and 196: - ISDN PRIs are often being used fo
Page 197 and 198: - Routing protocols are unable to l
Page 199 and 200: DDR Step 4: Determining when to ter
Page 201 and 202: - The show interfaces bri{num:0 | 1
Page 203 and 204: DDR Dialer Profiles Configuration -
Page 205 and 206: - Note: IP addresses are configured
Page 207 and 208: - Below show the routing tables on
Page 209 and 210: - The configuration above defines 2
Page 211 and 212: cisco Systems, Inc. 170 West Tasman
Page 213 and 214: Catalyst Switch IOS Upgrade Procedu
Page 215 and 216: Catalyst Switch IOS Upgrade Procedu
Page 217 and 218: Cisco Router Password Recovery Proc
Page 219 and 220: Catalyst Switch Password Recovery P
Page 221 and 222: Switch> Switch>en Switch#rename con
Page 223: - The 3 possible Frame Relay PVC st
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Page 229 and 230: 8. Once the frame is completed, it
Page 235 and 236: Decimal Hex Binary Decimal Hex Bina
Page 239 and 240: MISC Basic Networking Notes - The m
Page 241 and 242: MISC Data Link Layer Notes - Ethern
Page 243 and 244: - The 5-4-3 repeater deployment rul
Page 245 and 246: Ethernet Autonegotiation and Duplex
Page 247 and 248: The TCP Connection States timeout s
Page 249 and 250: - Q: How does a client application
Page 251 and 252: - Urgent Data Pointer (16 bits) ind
Page 253 and 254: TCP Selective Acknowledgment (SACK)
Page 255 and 256: - Local Proxy ARP is used when ther
Page 257 and 258: Spanning Tree Protocol Port ID - Wh
Page 259 and 260: The Problem of Router-on-a-Stick Co
Page 261 and 262: - Sample Subnet Zero configuration:
Page 263 and 264: The permanent keyword in the Static
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Switch Port Access Control Lists -
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- Below shows a sample Dynamic Acce
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Router(config)#ip access-list exten
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Optional PPP Commands - The compres
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- Below shows the output of the PPP
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- Below shows the output of the PPP
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- Below configure the username and
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IEEE 802.11 Standards and Specifica
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- Figure A6-20 shows the frame form
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- Below lists the IEEE 802.11 manag
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IEEE 802.11 Types and Subtypes Type
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Client (Supplicant) EAPOL-Start EAP
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- IPsec-based VPN is comprised of 2
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- IPsec supports the following 3 ty
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Version Header Length Time To Live
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- The authentication pre-share ISAK
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Troubleshooting ISDN E1/T1 Physical
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- Below addresses ISDN E1/T1 contro
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Troubleshooting ISDN Layer 2 - Unde
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Troubleshooting ISDN Layer 3 - Only
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ISDN Loopback Test Call - In a loop
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96 Number changed. The called numbe
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C2 Channel type not implemented. Th
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locking state, STP, 39 BNC, 27 bool
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show vlan, 57 show vtp status, 58 s
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framing, 22 MAC addresses, 22 stand
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K keepalives EIGRP, 95 Frame Relay,
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PAT (Port Address Translation), 127
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star topologies, 25 startup-config
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