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NetCache™ 5.4
Administration Guide

Preface
Chapter 1: Administering Access
Adding administrator accounts
Access control lists
Forming rules
 
Chapter 2: NetCache Network Interfaces
Section A: Planning summary for network interface configuration
Section B: About physical network interfaces
Section C: About virtual interfaces
About trunking
Virtual interfaces on a NetCache appliance
Section D: Troubleshooting network interfaces
 
Chapter 3: Routing on the NetCache Appliance
Section A: Planning summary for routing configuration
Section B: About routing on the NetCache appliance
How NetCache handles routing
NetCache interaction with a firewall
Section C: Controls for restricting client-to-NetCache traffic
Section D: Controls for NetCache-to-server traffic
How the appliance determines outbound interfaces to use
About balancing server-to-NetCache traffic over interfaces
About restricting interfaces for connecting to servers
Section E: Using TCP large windows to improve performance
 
Chapter 4: Tunneling Traffic through a NetCache Appliance
About protocol tunneling
Configuration overviews
 
Chapter 5: NetCache Support for DNS
Section A: Planning summary for DNS configuration
Section B: Basic DNS configuration on a NetCache appliance
Section C: Optional DNS configuration
NetCache as a DNS proxy cache
Handling domain names that are not fully qualified
Handling DNS lookups for local servers
Supporting internal resolvers that cannot handle external host names
Using NetCache as a full-service resolver
Reducing the time that DNS records are cached
 
Chapter 6: Managing Disks
Section A: RAID on the NetCache appliance
Understanding RAID and disks
Disk addresses
Disk space on each disk
Disk sizes and capabilities
Handling disk failure
Section B: RAID disk management on the NetCache appliance
About displaying the status and statistics of disks
Querying for disk health
About adding and removing disks
Section C: Reinitializing all disks
 
Chapter 7: Using SNMP and the NetCache Appliance MIB
About the SNMP implementation in NetCache
About the NetCache MIB
About user-defined traps
 
Chapter 8: Automated Support with Autosupport
Planning summary for Autosupport configuration
About Autosupport
 
Chapter 9: NetCache Log Files
Section A: Planning summary for log content and management
Section B: About NetCache log files
Available NetCache log files
File names for NetCache logs
About predefined and custom log file formats
Section C: Log management techniques
Available log file switching techniques
About log rotation
About log pushing
Section D: Location of configuration and management options
 
Chapter 10: Error Handling
Planning summary for error handling configuration
About customizable error messages
NetCache error codes
About hiding NetCache-generated error messages
 
Chapter 11: Transparent Proxying
Section A: Planning for transparent proxying
Planning information to consider as you read this chapter
Determining port numbers for redirected traffic
Section B: About using an L4 or L7 switch for transparent proxying
Transparent proxying requirements for an L4 or L7 switch
Choosing an L4 or L7 switch request distribution method
Planning for failover with an L4 or L7 switch
Preparing for switch configuration
Section C: About using a WCCP router for transparent proxying
Requirements for WCCP transparent proxying
Choosing a WCCP traffic redirection method
Choosing a WCCP transmission method
Choosing the optimum WCCP request distribution method
Distributing load based on appliance platform type
Determining if you need to load balance data over multiple NICs
Securing access to your WCCP deployment
Section D: WCCP service group reference information
WCCP service group definition guidelines
Listing multiple ports in a service group
Section E: Additional transparency features
When you might need to modify transparency
Circumventing transparent redirection of client requests
Retaining the client IP address as the source IP address
Hiding NetCache-generated error messages
Preventing authentication errors for forward proxy clients
Section F: Troubleshooting transparency
Troubleshooting your switch or WCCP router deployment
 
Chapter 12: NetCache Appliance Takeover
Planning summary for NetCache takeover configuration
Obtaining information about takeover status
 
Chapter 13: Hierarchies
Planning decisions to be made
About hierarchies
Types of hierarchies
Cluster hierarchies
Hierarchy authentication and access control
Standard request distribution
Custom rules for distributing requests
Hierarchy configuration example
Troubleshooting a hierarchy configuration
 
Chapter 14: Bandwidth Allocation Management
About bandwidth allocation
Creating and using virtual bandwidth buckets
Constructing bandwidth allocation rules
Bandwidth allocation rule examples
 
Chapter 15: Administration of Multiple Appliances
Section A: About managing multiple appliances
Section B: Working with DataFabric Manager
About DataFabric Manager appliance management
Overview of DataFabric Manager discovery methods
Appliance requirements for SNMP-based autodiscovery
Appliance requirements for HTTP-based autodiscovery
Appliance requirements for appliance-initiated discovery
Section C: Using the multiple-appliance management feature
Strategies for managing multiple appliances
About global configuration files
Multiple appliance management by automatic configuration
Scenario 1: Multiple cache administration at multiple POP sites
Scenario 2: Applying uniform ACL rules over multiple appliances
Automatic global file reading through the Appliance Manager
Backing up and restoring local configuration files
Configuring local settings that do not overwrite global settings
Multiple appliance management by pushed configuration files
Cloning appliance configurations
Appliance upgrade considerations
 
Chapter 16: Troubleshooting
Section A: Determining the source of the problem
Verifying accessibility to the NetCache appliance
Determining if NetCache is the source of the problem
Section B: Common NetCache troubleshooting solutions
Recovering from a forgotten console password
Rebooting a down NetCache appliance
Booting from the system boot media
Troubleshooting from the console
Recovering access to the Appliance Manager
Solving common NetCache configuration problems
Recovering from a system panic message
Section C: Diagnosing and recovering from network problems
Identifying and resolving network problems
Verifying the DNS configuration
Configuring an interface using the ifconfig command
Downloading and deleting packet trace (pktt) files
Section D: Diagnosing and recovering from disk problems
Recovering from disk problems using boot media options
Recovering from a disk failure without a hot spare disk
Recovering from a disk failure with a hot spare disk
Section E: Diagnosing Web caching and HTTP problems
Determining why NetCache is not servicing any URLs
Determining why you cannot access a specific URL
Section F: Resolving general system problems
Resolving file system problems
Resolving NVRAM problems
Managing core files
Section G: Contacting Network Appliance Technical Support
 
Glossary
 
Index
 
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Last updated: 11/12/02 16:56:42