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Cisco Systems Router 1800 Series User Manual

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Corporate Headquarters
Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706 
USA
http://www.cisco.com
Tel: 408 526-4000
800 553-NETS (6387)
Fax: 408 526-4100
Cisco 1800 Series Integrated Services 
Routers (Fixed) Software Configuration 
Guide
Text Part Number: OL-6426-02 

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THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL 
STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT 
WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS.
THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT 
SHIPPED WITH THE PRODUCT AND ARE...

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Cisco 1800 Series Integrated Services Routers (Fixed) Software Configuration Guide
OL-6426-02
CONTENTS
Preface     11
Audience     11
Organization     12
Conventions     13
Notes, Cautions, and Timesavers     13
Command Conventions     13
Related Documents     14
Obtaining Documentation     14
Cisco.com     15
Documentation DVD     15
Ordering Documentation     15
Documentation Feedback     16
Cisco Product Security Overview     16
Reporting Security Problems in Cisco Products     16
Obtaining...

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Contents
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Cisco 1800 Series Integrated Services Routers (Fixed) Software Configuration GuideCisco 1800 Series Integrated Services Routers (Fixed) 
OL-6426-02
Configuring a Loopback Interface     9
Configuration Example     9
Verifying Your Configuration     10
Configuring Command-Line Access to the Router     10
Configuration Example     12
Configuring Static Routes     12
Configuration Example     13
Verifying Your Configuration     13
Configuring Dynamic Routes     13
Configuring RIP     14...

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Contents
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Cisco 1800 Series Integrated Services Routers (Fixed) Software Configuration Guide
OL-6426-02
Verifying Your Configuration     12
CHAPTER 5Configuring a LAN with DHCP and VLANs     1
Configure DHCP     2
Configuration Example     3
Verify Your DHCP Configuration     4
Configure VLANs     5
Verify Your VLAN Configuration     5
Switch Port Configurations     7
VLAN Trunking Protocol (VTP)     8
802.1x Authentication     8
Layer 2 Interfaces     9
MAC Table Manipulation     9
Maximum Switched...

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Cisco 1800 Series Integrated Services Routers (Fixed) Software Configuration GuideCisco 1800 Series Integrated Services Routers (Fixed) 
OL-6426-02
Configure IPSec Transforms and Protocols     6
Configure the IPSec Crypto Method and Parameters     7
Apply the Crypto Map to the Physical Interface     8
Configure a GRE Tunnel     8
Configuration Example     10
CHAPTER 8Configuring a Simple Firewall     1
Configure Access Lists     3
Configure Inspection Rules     3
Apply Access Lists and...

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Cisco 1800 Series Integrated Services Routers (Fixed) Software Configuration Guide
OL-6426-02
Configuring Backup Interfaces     2
Floating Static Routes     2
Configuring Floating Static Routes     3
Dialer Watch     4
Configuring Dialer Watch     4
Dial Backup Feature Limitations     5
Configuration Example     6
Configuring Dial Backup and Remote Management Through the ISDN S/T Port     9
Configure ISDN Settings     9
Configure the Aggregator and ISDN Peer Router     12
Configuring Dial...

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Cisco 1800 Series Integrated Services Routers (Fixed) Software Configuration GuideCisco 1800 Series Integrated Services Routers (Fixed) 
OL-6426-02
APPENDIX ACisco IOS Software Basic Skills     1
Configuring the Router from a PC     1
Understanding Command Modes     2
Getting Help     4
Enable Secret Passwords and Enable Passwords     5
Entering Global Configuration Mode     5
Using Commands     6
Abbreviating Commands     6
Undoing Commands     6
Command-Line Error Messages     6
Saving...

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Cisco 1800 Series Integrated Services Routers (Fixed) Software Configuration Guide
OL-6426-02
Easy IP (Phase 2)     8
QoS     9
IP Precedence     9
PPP Fragmentation and Interleaving     9
CBWFQ     10
RSVP     10
Low Latency Queuing     10
Access Lists     11
APPENDIX CROM Monitor     1
Entering the ROM Monitor     1
ROM Monitor Commands     2
Command Descriptions     3
Disaster Recovery with TFTP Download     3
TFTP Download Command Variables     3
Required Variables     4
Optional...

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Cisco 1800 Series Integrated Services Routers (Fixed) Software Configuration GuideCisco 1800 Series Integrated Services Routers (Fixed) 
OL-6426-02 
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