CCNACCENT IOS Commands Survival Guide

Content: Introduction xi     Chapter 1 Basic IOS Commands 1     Booting the Router 2     Setup Mode 4     Router Configuration Modes 4     Editing and Help Features 6     Configuring a Router 8     Hostnames 9     Banners 9     Passwords 10     Router Interfaces 14     Viewing, Saving, and Erasing Configurations 18     Using the show Command 19     Troubleshooting with the show interfaces Command 22     Chapter 2 Managing a Cisco Internetwork 25     Understanding the Internal Components of a Cisco Router 26     Managing the Configuration Register 27     Checking the Current Configuration Register Value 27     Changing the Configuration Register 28     Recovering Passwords 30     Using Boot System Commands 32     Backing Up and Restoring the Cisco IOS 33     Verifying Flash Memory 33     Backing Up the Cisco IOS 34     Restoring or Upgrading the Cisco Router IOS 36     Using the Cisco IOS File System (Cisco IFS) 36     Backing Up and Restoring the Cisco Configuration 39     Backing Up the Cisco Router Configuration 39     Restoring the Cisco Router Configuration 41     Erasing the Configuration 41     Using the Cisco IOS File System to Manage Your     Router\'s Configuration (Cisco IFS) 42     Using Cisco Discovery Protocol (CDP) 43     Getting CDP Timers and Holdtime Information 44     Gathering Neighbor Information 45     Gathering Interface Traffic Information 47     Gathering Port and Interface Information 47     Using Telnet 48     Telnetting into Multiple Devices Simultaneously 49     Checking Telnet Connections 50     Checking Telnet Users 50     Closing Telnet Sessions 51     Resolving Hostnames 52     Building a Host Table 52     Using DNS to Resolve Names 54     Checking Network Connectivity and Troubleshooting 55     Using the ping Command 56     Using the traceroute Command 56     Debugging 57     Using the sh processes Command 59     Chapter 3 IP Routing 61     Routing Basics 62     Static Routing 65     Default Routing 67     Routing Protocol Basics 69     Administrative Distances (ADs) 69     Routing Information Protocol (RIP) 70     RIP Timers 71     Enabling RIP 72     Holding Down RIP Propagations 73     RIP Version 2 (RIPv2) 73     Verifying RIP 75     The show ip protocols Command 75     The debug ip rip Command 76     Chapter 4 Enhanced IGRP (EIGRP) and Open Shortest Path First (OSPF) 79     Understanding EIGRP Basics 80     Configuring EIGRP 80     Holding Down EIGRP Propagations 81     Setting Maximum Paths and Hop Count 82     Using Redistribution Commands 83     Configuring Discontiguous Networks 84     Load Balancing with EIGRP 85     Using Route Authentication with EIGRP 89     Verifying EIGRP 90     Understanding Open Shortest Path First (OSPF) Basics 94     Configuring OSPF 95     Enabling OSPF 95     Configuring OSPF Areas 96     Verifying OSPF Configuration 96     Using the show ip ospf Command 98     Using the show ip ospf database Command 99     Using the show ip ospf interface Command 99     Using the show ip ospf neighbor Command 100     Using the show ip protocols Command 101     Debugging OSPF 102     Chapter 5 Layer-2 Switching and Spanning-Tree Protocol (STP) 105     Switching Services 106     Three Switch Functions at Layer 2 107     Basic Switch Configurations 108     Switch Security 109     Spanning-Tree Operations 111     Optimizing Spanning-Tree Operations 113     EtherChannel 117     Verifying Cisco Catalyst Switches 119     Chapter 6 Virtual LANs (VLANs) 127     Understanding VLAN Basics 128     Configuring VLANs 128     Verifying VLAN Creation 130     Assigning Switch Ports to VLANs 130     Configuring Trunk Ports 132     Configuring Inter-VLAN Routing 136     Configuring VTP 137     Telephony: Configuring Voice VLANs 139     Configuring the Voice VLAN 140     Chapter 7 Security 143     Perimeter Routers, Firewalls, and Internal Routers 144     Recognizing Security Threats 144     Using Cisco IOS Firewall 146     Introduction to Access Lists 147     Standard Access Lists 148     Wildcard Masking 150     Controlling VTY (Telnet) Access 151     Extended Access Lists 151     Named Access Lists 157     Switch Port ACLs 159     Time-Based ACLs 161     Monitoring Access Lists 163     Chapter 8 Network Address Translation (NAT) 167     When Do We Use NAT? 168     Types of Network Address Translation 169     NAT Names 170     Static NAT Configuration 171     Dynamic NAT Configuration 172     PAT (Overloading) Configuration 173     Simple Verification of NAT 174     Chapter 9 Internet Protocol Version 6 (IPv6) 177     Why Do We Need IPv6? 178     IPv6 Addressing and Expressions 179     Shortened Expression 180     Configuring Cisco Routers with IPv6 181     Stateless Auto Configuration 182     IPv6 Static Routing 182     IPv6 Routing Protocols 183     RIPng 183     EIGRPv6 184     OSPFv3 185     Verifying RIPng 187     Verifying EIGRPv6 190     Verifying OSPFv3 191     Chapter 10 Wide Area Networks (WANs) 195     Introduction to Wide Area Networks 196     Defining WAN Terms 197     WAN Support 197     Point-to-Point Serial Links 200     High-Level Data-Link Control (HDLC) Protocol 201     Point-to-Point Protocol (PPP) 202     Configuring PPP on Cisco Routers 203     Configuring PPP Authentication 204     Verifying PPP Encapsulation 205     Introduction to Frame Relay Technology 210     Frame Relay Encapsulation Types 211     Data Link Connection Identifiers (DLCIs) 212     Local Management Interface (LMI) 213     Frame Relay Implementation and Monitoring 216     GRE Tunnels 225     Verifying a GRE Tunnel 226     Chapter 11 IP Services 227     Network Monitoring and Management Services 228     Simple Network Management Protocol (SNMP) 228     Syslog 230     First Hop Redundancy and Load Balancing 231     Hot Standby Routing Protocol (HSRP) 232     Gateway Load Balancing Protocol (GLBP) 234     Index 237