Cisco 520-T1 - Small Business Pro SR Secure Router - Configuring Additional Features and Troubleshooting

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P

ART

3

Configuring Additional Features and

Troubleshooting

Table of Contents

Default Chapter3
- Table of Contents3
Preface9
- Objective9
- Audience9
- Organization10
- Conventions11
- Related Documentation16
- Obtaining Documentation and Submitting a Service Request17
Getting Started19
Chapter 1 Basic Router Configuration21
- Viewing the Default Configuration22
- Information Needed for Customizing the Default Parameters22
- Interface Port Labels23
- Configuring Basic Parameters23
- Configuring Static Routes30
  - Verifying Your Configuration30
- Configuring Dynamic Routes31
  - Configuring RIP31
  - Verifying Your Configuration32
Configuring Your Router for Ethernet and DSL Access33
Chapter 2 Sample Network Deployments35
Chapter 3 Configuring PPP over Ethernet with NAT37
- Configuration Example38
- Configure the Virtual Private Dialup Network Group Number38
- Configure the Fast Ethernet WAN Interfaces39
- Configure the Dialer Interface40
- Configure Network Address Translation41
- Configuration Example44
  - Verifying Your Configuration44
Chapter 4 Configuring PPP over ATM with NAT47
- Configure the Dialer Interface48
- Configure the ATM WAN Interface51
- Configure DSL Signaling Protocol52
  - Configuring ADSL52
    - Verify the Configuration53
- Configure Network Address Translation53
- Configuration Example55
  - Verifying Your Configuration56
Chapter 5 Configuring a LAN with DHCP and Vlans57
- Configure DHCP58
  - Configuration Example60
  - Verify Your DHCP Configuration60
- Configure Vlans61
  - Assign a Switch Port to a VLAN62
  - Verify Your VLAN Configuration62
Chapter 6 Configuring a VPN Using Easy VPN and an Ipsec Tunnel65
- Configure the IKE Policy67
- Configure Group Policy Information68
- Apply Mode Configuration to the Crypto Map69
- Enable Policy Lookup70
- Configure Ipsec Transforms and Protocols70
- Configure the Ipsec Crypto Method and Parameters71
- Apply the Crypto Map to the Physical Interface72
- Create an Easy VPN Remote Configuration73
- Verifying Your Easy VPN Configuration74
- Configuration Example74
Chapter 7 Configuring Vpns Using an Ipsec Tunnel and Generic Routing Encapsulation77
- Configure the IKE Policy78
- Configure Group Policy Information78
- C H a P T E R 7 Configuring Vpns Using an Ipsec Tunnel and Generic Routing Encapsulation78
- Configure a VPN78
- Configure a GRE Tunnel84
- Configuration Example85
Chapter 8 Configuring a Simple Firewall89
- Configure Access Lists91
- Configure Inspection Rules92
- Apply Access Lists and Inspection Rules to Interfaces92
- Configuration Example93
Chapter 9 Configuring a Wireless LAN Connection95
- Configure the Root Radio Station96
- Configure Bridging on Vlans98
- Configure Radio Station Subinterfaces99
- Configuration Example100
Configuring Additional Features and Troubleshooting103
Chapter 10 Additional Configuration Options105
Chapter 11 Configuring Security Features107
- Authentication, Authorization, and Accounting107
- Configuring Autosecure108
- Configuring Access Lists108
Chapter 12 Troubleshooting111
- Getting Started111
- Before Contacting Cisco or Your Reseller111
- ADSL Troubleshooting112
- ATM Troubleshooting Commands112
- Software Upgrade Methods118
- Recovering a Lost Password119
Reference Information123
Appendix125
Cisco IOS Software Basic Skills125
- Configuring the Router from a PC125
Appendix A Cisco IO Software Basic Skill126
- Understanding Command Modes126
- Enable Secret Passwords and Enable Passwords128
- Getting Help128
- Entering Global Configuration Mode129
- Using Commands129
- Saving Configuration Changes130
- Summary131
- Where to Go Next131
Appendix133
- Adsl133
Appendix B Concept134
- Network Protocols134
- Routing Protocol Options134
  - Rip134
- PPP Authentication Protocols135
  - Pap135
  - Chap135
- Tacacs136
- Network Interfaces136
- Nat137
  - Easy IP (Phase 1138
  - Easy IP (Phase 2138
- Qos139
ROM Monitor143
- Entering the ROM Monitor143
- ROM Monitor Commands144
- Command Descriptions145
- Disaster Recovery with TFTP Download145
  - TFTP Download Command Variables146
    - Required Variables146
  - Using the TFTP Download Command147
- Configuration Register147
  - Changing the Configuration Register Manually148
  - Changing the Configuration Register Using Prompts148
- Console Download149
  - Command Description149
  - Error Reporting150
- Debug Commands150
- Exiting the ROM Monitor151
Appendix153
Common Port Assignments153
I N D E X155

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