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Cisco1800 Series Integrated Services Routers (Fixed) Software Configuration Guide
OL-6426-02
Organization
See the “Organization” section of this preface to help you decide which chapters contain the information
you need to configure your router.
Organization
Table 1 lists the topics covered by this guide.
Table1 Document Organization
Chapter Title Description
Chapter 1 Basic Router Configuration Describes how to configure basic router features and
interfaces.
Chapter 2 Sample Network Deployments Provides a road map for possible network deployments.
Chapter 3 Configuring PPP over Ethernet with NAT Provides instructions on how to configure PPPoE with
Network Address Translation (NAT) on your Cisco router.
Chapter 4 Configuring PPP over ATM with NAT Provides instructions on how to configure PPPoA with
Network Address Translation (NAT) on your Cisco router.
Chapter 5 Configuring a LAN with DHCP and VLANs Provides instructions on how to configure your Cisco router
with multiple VLANs and to act as a DHCP server.
Chapter 6 Configuring a VPN Using Easy VPN and an
IPSec Tunnel
Provides instructions on how to configure a virtual private
network (VPN) with a secure IP tunnel using the Cisco Easy
VPN.
Chapter 7 Configuring VPNs Using an IPSec Tunnel
and Generic Routing Encapsulation
Provides instructions on how to configure a VPN with a secure
IP tunnel and generic routing encapsulation (GRE).
Chapter 8 Configuring a Simple Firewall Provides instructions on how to configure a basic firewall on
your Cisco router.
Chapter 9 Configuring a Wireless LAN Connection Provides instructions on how to configure a wireless LAN.
Chapter 10 Sample Configuration Presents a summary configuration example showing features
configured in the preceding chapters of this part of the guide.
Chapter 11 Additional Configuration Options Provides a road map for Part 3.
Chapter 12 Configuring Security Features Explains basic configuration of Cisco IOS security features,
including firewall and VPN configuration.
Chapter 13 Configuring Dial Backup and Remote
Management
Provides instructions on how to configure your Cisco router
for dial backup and remote management.
Chapter 14 Troubleshooting Provides information on identifying and solving problems,
such as how to recover a lost software password.
Appendix A Cisco IOS Software Basic Skills Explains what you need to know about Cisco IOS software
before you begin to configure it.
Appendix B Concepts Provides general concept explanations of features.
Appendix C ROM Monitor Describes the use of the ROM Monitor (ROMMON) utility.
Appendix D Common Port Assignments Describes the currently assigned Transmission Control
Protocol (TCP) and User Datagram Protocol (UDP) port
numbers.
Index