Table of Contents
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Table of Contents
Troubleshooting
Related Manuals for Cisco ESW-520-24P-K9
Summarization of Contents
Preface
Objective
Describes the guide's purpose, audience, organization, and conventions.
Audience
Defines the intended readers of the guide, ranging from novice to experienced.
Organization
Outlines the guide's structure by parts and chapters.
Conventions
Explains symbols, formatting, and terminology used in the document.
Related Documentation
Lists additional Cisco documentation for the product.
Obtaining Documentation and Submitting a Service Request
Provides instructions on accessing Cisco documentation and support resources.
Basic Router Configuration
Viewing the Default Configuration
Explains how to check the router's initial settings.
Information Needed for Customizing the Default Parameters
Lists essential data required before configuring the router.
Interface Port Labels
Lists supported interfaces and their port labels for different router models.
Configuring Global Parameters
Details how to set general router settings like hostname and passwords.
Configuring Interfaces
Provides steps to configure LAN, WAN, Wireless, and Loopback interfaces.
Configuring Command-Line Access to the Router
Guides on securing and managing router access via the CLI.
Configuring Static Routes
Explains how to set up manual network routes.
Configuring Dynamic Routes
Introduces dynamic routing protocols for automatic path adjustment.
Configuring RIP
Details how to configure the Routing Information Protocol.
Sample Network Deployments
For Ethernet-Based Network Deployments
Lists chapters with configuration examples for Ethernet networks.
For DSL-Based Network Deployments
Lists chapters with configuration examples for DSL networks.
Configuring PPP over Ethernet with NAT
Configure the Virtual Private Dialup Network Group Number
Sets up VPDN for enabling client communication through the router.
Configure the Fast Ethernet WAN Interfaces
Configures WAN interfaces for PPPoE client connections.
Configure the Dialer Interface
Configures the dialer interface for handling PPP traffic.
Configure Network Address Translation
Sets up NAT for translating private IP addresses to public ones.
Configuring PPP over ATM with NAT
Configure the Dialer Interface
Configures the dialer interface for PPPoA connections.
Configure the ATM WAN Interface
Provides steps to configure the router's ATM WAN interface.
Configure DSL Signaling Protocol
Sets up DSL signaling for connection to the ISP.
Configure Network Address Translation
Sets up NAT for translating private IP addresses for ATM connections.
Configuring a LAN with DHCP and VLANs
DHCP
Explains DHCP for automatic IP address assignment and configuration.
Configure DHCP
Details the steps to configure the router as a DHCP server.
VLANs
Explains how VLANs segment networks and group users.
Configure VLANs
Details the procedures for setting up Virtual LANs on the router.
Assign a Switch Port to a VLAN
Assigns specific router ports to VLANs for network segmentation.
Verify Your VLAN Configuration
Shows how to check the router's VLAN configuration status.
Configuring a VPN Using Easy VPN and an IPsec Tunnel
Cisco Easy VPN
Explains the Cisco Easy VPN client feature for simplified VPN setup.
Configure the IKE Policy
Sets up the Internet Key Exchange policy for VPN security.
Configure Group Policy Information
Configures group policy attributes downloaded to remote VPN clients.
Apply Mode Configuration to the Crypto Map
Applies mode configuration settings to the crypto map.
Enable Policy Lookup
Enables policy lookup through the AAA framework.
Configure IPsec Transforms and Protocols
Defines IPsec security protocols and algorithms.
Configure the IPsec Crypto Method and Parameters
Sets IPsec crypto method and parameters for VPN tunnels.
Apply the Crypto Map to the Physical Interface
Applies the crypto map to the physical interface for IPsec traffic.
Create an Easy VPN Remote Configuration
Creates the Easy VPN remote configuration for the router.
Configuring VPNs Using an IPsec Tunnel and Generic Routing Encapsulation
GRE Tunnels
Explains GRE tunnels used for establishing VPNs between networks.
Configure a VPN
Provides steps to configure a VPN over an IPsec tunnel.
Configure the IKE Policy
Sets up the Internet Key Exchange policy for VPN security.
Configure Group Policy Information
Configures group policy attributes for remote VPN clients.
Enable Policy Lookup
Enables policy lookup through the AAA framework.
Configure IPsec Transforms and Protocols
Defines IPsec security protocols and algorithms.
Configure the IPsec Crypto Method and Parameters
Sets IPsec crypto method and parameters for VPN tunnels.
Apply the Crypto Map to the Physical Interface
Applies the crypto map to the physical interface for IPsec traffic.
Configure a GRE Tunnel
Provides steps to configure a GRE tunnel for VPN connections.
Configuring a Simple Firewall
Configure Access Lists
Creates access lists for firewall traffic filtering.
Configure Inspection Rules
Sets up firewall inspection rules for traffic filtering.
Apply Access Lists and Inspection Rules to Interfaces
Applies ACLs and inspection rules to router interfaces.
Configuring a Wireless LAN Connection
Configure the Root Radio Station
Configures the primary wireless access point settings.
Configure Bridging on VLANs
Configures integrated routing and bridging on VLANs.
Configure Radio Station Subinterfaces
Configures subinterfaces for wireless access point functionality.
Additional Configuration Options
Configuring Security Features
Introduces security features like AAA, AutoSecure, ACLs, and Firewalls.
Troubleshooting
Covers troubleshooting tips and procedures for router issues.
Configuring Security Features
Authentication, Authorization, and Accounting
Explains the AAA framework for implementing router security.
Configuring AutoSecure
Automates the configuration of common IP services for network defense.
Configuring Access Lists
Details the creation of access lists for traffic filtering and control.
Configuring a CBAC Firewall
Sets up a stateful firewall using Context-Based Access Control.
Configuring Cisco IOS Firewall IDS
Enhances perimeter security with intrusion detection capabilities.
Configuring VPNs
Covers configuration of site-to-site and remote access VPNs.
Troubleshooting
Getting Started
Basic steps to perform before troubleshooting a router problem.
Before Contacting Cisco or Your Reseller
Lists information needed before seeking technical support.
ADSL Troubleshooting
Guides on resolving issues with ADSL connections.
ATM Troubleshooting Commands
Lists commands for diagnosing ATM interface problems.
Software Upgrade Methods
Outlines various methods for upgrading router software images.
Recovering a Lost Password
Provides steps to regain access if a password is lost.
Cisco IOS Software Basic Skills
Configuring the Router from a PC
Explains how to connect to and configure a router via a PC.
Understanding Command Modes
Explains the hierarchical structure of Cisco IOS command modes.
Getting Help
How to use help features and arrow keys for command entry.
Enable Secret Passwords and Enable Passwords
Securing router access by setting enable passwords.
Entering Global Configuration Mode
Steps to enter global configuration mode for router changes.
Using Commands
Tips for entering Cisco IOS commands at the CLI.
Abbreviating Commands
Shortening commands for efficiency.
Undoing Commands
How to disable features or revert commands using 'no'.
Command-Line Error Messages
Explains common CLI error messages and how to resolve them.
Saving Configuration Changes
How to save router configuration to NVRAM.
Summary
Recap of Cisco IOS software basics.
Where to Go Next
Guidance on next steps after learning IOS basics.
Concepts
ADSL
Explains ADSL technology, its benefits, and asymmetric bandwidth.
Network Protocols
How protocols enable network data transfer and routing.
IP
Details the Internet Protocol and its functions in network communication.
Routing Protocol Options
Discusses available routing protocols like RIP.
PPP Authentication Protocols
Explains PAP and CHAP authentication methods for PPP sessions.
TACACS+
Cisco proprietary authentication, authorization, and accounting protocol.
Network Interfaces
Overview of supported network interface types like Ethernet and ATM.
Ethernet
Explains the Ethernet LAN protocol and CSMA/CD.
ATM for DSL
Describes the ATM protocol for DSL connections and PVCs.
PVC
Defines Permanent Virtual Circuits in ATM networks.
Dialer Interface
Assigns PPP features like authentication to ATM PVCs.
NAT
Explains Network Address Translation for private network access.
Easy IP (Phase 1)
Combines NAT and PPP/IPCP for automatic Internet access.
Easy IP (Phase 2)
Combines DHCP server and relay for IP allocation.
QoS
Discusses Quality of Service parameters for network traffic management.
IP Precedence
Partitions traffic into service classes for prioritized handling.
PPP Fragmentation and Interleaving
Manages real-time traffic packets for better voice quality.
CBWFQ
Class-based weighted fair queuing for traffic prioritization.
RSVP
Reserves network bandwidth for quality of service.
Low Latency Queuing
Provides strict priority for real-time traffic.
Access Lists
Filters network traffic using permit and deny commands.
ROM Monitor
Entering the ROM Monitor
Steps to access and use the router's ROM monitor mode.
ROM Monitor Commands
Lists available commands for the ROM monitor utility.
Command Descriptions
Describes common ROM monitor commands and their usage.
Disaster Recovery with TFTP Download
Loads software via TFTP in ROM monitor for recovery.
TFTP Download Command Variables
System variables required for TFTP download configuration.
Using the TFTP Download Command
Executes the TFTP download process.
Configuration Register
Manages router boot settings and behavior.
Changing the Configuration Register Manually
Manually sets the configuration register value.
Changing the Configuration Register Using Prompts
Interactively changes the configuration register settings.
Console Download
Downloads files to the router via the console port.
Command Description
Syntax and descriptions for the xmodem console download command.
Error Reporting
How the ROM monitor reports errors during data transfer.
Debug Commands
Lists ROM monitor debugging commands for troubleshooting.
Exiting the ROM Monitor
Resets configuration register to boot Cisco IOS image.
Common Port Assignments
Table D-1 TCP Port Numbers
Lists assigned Transmission Control Protocol (TCP) port numbers.
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