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

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cisco 4000 (68030) processor (revision 0xA0) with 16384K/4096K bytes of memory. Processor board ID 5079453 G.703/E1 software, Version 1.0. Bridging software. X.25 software, Version 3.0.0. SuperLAT software (copyright 1990 by Meridian Technology Corp). TN3270 Emulation software. 2 Ethernet/IEEE 802.3 interface(s) 2 Serial network interface(s) 128K bytes of non-volatile configuration memory. 8192K bytes of processor board System flash (Read/Write) --- System Configuration Dialog --- Would you like to enter the initial configuration dialog? [yes/no]: no Press RETURN to get started! Router> Router>en Router#copy startup-config running-config Router# Router#conf t Enter configuration commands, one per line. End with CNTL/Z. Router(config)#no enable secret Router(config)#enable secret cisco Router(config)# Router(config)#config-register 0x2102 Router(config)#^Z Router# Router#sh ver <strong>Cisco</strong> Internetwork Operating System Software IOS (tm) 4000 Software (C4000-JS-M), Version 12.1(27b), RELEASE SOFTWARE (fc1) Copyright (c) 1986-2005 by cisco Systems, Inc. Compiled Tue 16-Aug-05 16:53 by pwade Image text-base: 0x00012000, data-base: 0x00C19718 --- output omitted --- Configuration register is 0x2142 (will be 0x2102 at next reload) Router# Router#copy running-config startup-config Building configuration... [OK] Router# 215 Copyright © 2008 Yap Chin Hoong yapchinhoong@hotmail.com
Catalyst Switch Password Recovery Procedure - Hold down the Mode button located on the left side of the front panel while powering the switch. Release the Mode button after the Port 1 LED goes out (older models, or the SYST LED stables (recent models). C2900XL Boot Loader (C2900-HBOOT-M) Version 12.0(5.2)XU, MAINTENANCE INTERIM SOFTWARE Compiled Mon 17-Jul-00 18:19 by ayounes starting... Base ethernet MAC Address: 00:04:27:c1:d3:c0 Xmodem file system is available. The system has been interrupted prior to initializing the flash filesystem. The following commands will initialize the flash filesystem, and finish loading the operating system software: flash_init load_helper boot switch: flash_init Initializing Flash... flashfs[0]: 18 files, 2 directories flashfs[0]: 0 orphaned files, 0 orphaned directories flashfs[0]: Total bytes: 3612672 flashfs[0]: Bytes used: 3046912 flashfs[0]: Bytes available: 565760 flashfs[0]: flashfs fsck took 6 seconds. ...done Initializing Flash. Boot Sector Filesystem (bs:) installed, fsid: 3 Parameter Block Filesystem (pb:) installed, fsid: 4 switch: load_helper switch: rename flash:config.text flash:config.old switch: boot Loading "flash:c2900xl-c3h2s-mz.120-5.WC14.bin"...########################## ############################################################################ ############################################################################ File "flash:c2900xl-c3h2s-mz.120-5.WC14.bin" uncompressed and installed, entry point: 0x3000 executing... Restricted Rights Legend Use, duplication, or disclosure by the Government is subject to restrictions as set forth in subparagraph (c) of the Commercial Computer Software - Restricted Rights clause at FAR sec. 52.227-19 and subparagraph (c) (1) (ii) of the Rights in Technical Data and Computer Software clause at DFARS sec. 252.227-7013. cisco Systems, Inc. 170 West Tasman Drive San Jose, California 95134-1706 216 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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Page 169 and 170: - IETF Frame Relay encapsulation ty
Page 171 and 172: 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
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Page 213 and 214: Catalyst Switch IOS Upgrade Procedu
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Page 217: Cisco Router Password Recovery Proc
Page 221 and 222: Switch> Switch>en Switch#rename con
Page 223 and 224: - The 3 possible Frame Relay PVC st
Page 225 and 226: Constructing a Compound Frame Relay
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
Page 265 and 266: RIPv1 and VLSM RT1 RT4 Figure A6-9:
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Bidirectional (2-Way) NAT PC1 172.1
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- Note: A router does not require a
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The Access Control List established
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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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