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Index
Cover Page Cisco IOS Cookbook
A Note Regarding Supplemental Files Preface
What’s New in This Edition Organization What’s in This Book Conventions Used in This Book Using Code Examples We’d Like Your Feedback! Safari® Enabled Acknowledgments
Kevin Dooley Ian J. Brown
1. Router Configuration and File Management
Introduction
IOS
Configuring the Router via TFTP
Problem Solution Discussion See Also
Saving Router Configuration to Server
Problem Solution Discussion See Also
Booting the Router Using a Remote Configuration File
Problem Solution Discussion See Also
Storing Configuration Files Larger Than NVRAM
Problem Solution Discussion See Also
Clearing the Startup Configuration
Problem Solution Discussion See Also
Loading a New IOS Image
Problem Solution Discussion See Also
Booting a Different IOS Image
Problem Solution Discussion See Also
Booting over the Network
Problem Solution Discussion See Also
Copying an IOS Image to a Server
Problem Solution Discussion See Also
Copying an IOS Image Through the Console
Problem Solution Discussion
Deleting Files from Flash
Problem Solution Discussion See Also
Partitioning Flash
Problem Solution Discussion See Also
Using the Router as a TFTP Server
Problem Solution Discussion See Also
Using FTP from the Router
Problem Solution Discussion See Also
Generating Large Numbers of Router Configurations
Problem Solution Discussion See Also
Changing the Configurations of Many Routers at Once
Problem Solution Discussion See Also
Extracting Hardware Inventory Information
Problem Solution Discussion See Also
Backing Up Router Configurations
Problem Solution Discussion See Also
Warm Reload
Problem Solution Discussion See Also
Warm Upgrade
Problem Solution Discussion See Also
Configuration Archiving
Problem Solution Discussion See Also
Locking Configuration Access
Problem Solution Discussion
2. Router Management
Introduction Creating Command Aliases
Problem Solution Discussion
Managing the Router’s ARP Cache
Problem Solution Discussion
Tuning Router Buffers
Problem Solution Discussion
Auto Tuning Buffers
Problem Solution Discussion See Also
Using the Cisco Discovery Protocol
Problem Solution Discussion See Also
Disabling the Cisco Discovery Protocol
Problem Solution Discussion See Also
Using the Small Servers
Problem Solution Discussion See Also
Enabling HTTP Access to a Router
Problem Solution Discussion See Also
Enabling Secure HTTP (HTTPS) Access to a Router
Problem Solution Discussion See Also
Using Static Hostname Tables
Problem Solution Discussion See Also
Enabling Domain Name Services
Problem Solution Discussion See Also
Disabling Domain Name Lookups
Problem Solution Discussion See Also
Specifying a Router Reload Time
Problem Solution Discussion See Also
Scheduling of Router Commands
Problem Solution Discussion See Also
Displaying Historical CPU Values
Problem Solution Discussion
Creating Exception Dump Files
Problem Solution Discussion See Also
Generating a Report of Interface Information
Problem Solution Discussion See Also
Generating a Report of Routing Table Information
Problem Solution Discussion See Also
Generating a Report of ARP Table Information
Problem Solution Discussion See Also
Generating a Server Host Table File
Problem Solution Discussion See Also
3. User Access and Privilege Levels
Introduction Setting Up User IDs
Problem Solution Discussion See Also
Encrypting Passwords
Problem Solution Discussion See Also
Using Better Password-Encryption Techniques
Problem Solution Discussion See Also
Removing Passwords from a Router Configuration File
Problem Solution Discussion See Also
Deciphering Cisco’s Weak Password Encryption
Problem Solution Discussion See Also
Displaying Active Users
Problem Solution Discussion See Also
Sending Messages to Other Users
Problem Solution Discussion See Also
Changing the Number of VTYs
Problem Solution Discussion See Also
Changing VTY Timeouts
Problem Solution Discussion See Also
Restricting VTY Access by Protocol
Problem Solution Discussion See Also
Enabling Absolute Timeouts on VTY Lines
Problem Solution Discussion See Also
Implementing Banners
Problem Solution Discussion See Also
Disabling Banners on a Port
Problem Solution Discussion See Also
Disabling Router Lines
Problem Solution Discussion See Also
Reserving a VTY Port for Administrative Access
Problem Solution Discussion See Also
Restricting Inbound Telnet Access
Problem Solution Discussion See Also
Logging Telnet Access
Problem Solution Discussion See Also
Setting the Source Address for Telnet
Problem Solution Discussion
Automating the Login Sequence
Problem Solution Discussion See Also
Using SSH for Secure Access
Problem Solution Discussion See Also
Changing Privilege Level of IOS Commands
Problem Solution Discussion See Also
Defining Per User Privileges
Problem Solution Discussion See Also
Defining Per Port Privileges
Problem Solution Discussion See Also
4. TACACS+
Introduction Authenticating Login IDs from a Central System
Problem Solution Discussion See Also
Restricting Command Access
Problem Solution Discussion See Also
Losing Access to the TACACS+ Server
Problem Solution Discussion See Also
Disabling TACACS+ Authentication on a Particular Line
Problem Solution Discussion See Also
Capturing User Keystrokes
Problem Solution Discussion See Also
Logging System Events
Problem Solution Discussion See Also
Setting the IP Source Address for TACACS+ Messages
Problem Solution Discussion See Also
Sample Server Configuration Files
Problem Solution Discussion See Also
5. IP Routing
Introduction
Unregistered Addresses
Finding an IP Route
Problem Solution Discussion
Finding Types of IP Routes
Problem Solution Discussion
Converting Different Mask Formats
Problem Solution Discussion
Using Static Routing
Problem Solution Discussion See Also
Floating Static Routes
Problem Solution Discussion See Also
Using Policy-Based Routing to Route Based on Source Address
Problem Solution Discussion See Also
Using Policy-Based Routing to Route Based on Application Type
Problem Solution Discussion See Also
Examining Policy-Based Routing
Problem Solution Discussion See Also
Changing Administrative Distances
Problem Solution Discussion See Also
Routing Over Multiple Paths with Equal Costs
Problem Solution Discussion See Also
Static Routes That Track Interfaces or Other Routes
Problem Solution Discussion See Also
Keeping Statistics on Routing Table Changes
Problem Solution Discussion
6. RIP
Introduction Configuring RIP Version 1
Problem Solution Discussion See Also
Filtering Routes with RIP
Problem Solution Discussion See Also
Redistributing Static Routes into RIP
Problem Solution Discussion See Also
Redistributing Routes Using Route Maps
Problem Solution Discussion See Also
Creating a Default Route in RIP
Problem Solution Discussion See Also
Disabling RIP on an Interface
Problem Solution Discussion See Also
Default Passive Interface
Problem Solution Discussion See Also
Unicast Updates for RIP
Problem Solution Discussion See Also
Applying Offsets to Routes
Problem Solution Discussion
Adjusting Timers
Problem Solution Discussion See Also
Configuring Interpacket Delay
Problem Solution Discussion See Also
Enabling Nonperiodic Updates
Problem Solution Discussion See Also
Increasing the RIP Input Queue
Problem Solution Discussion See Also
Configuring RIP Version 2
Problem Solution Discussion
Enabling RIP Authentication
Problem Solution Discussion See Also
RIP Route Summarization
Problem Solution Discussion
Route Tagging
Problem Solution Discussion See Also
7. EIGRP
Introduction Configuring EIGRP
Problem Solution Discussion See Also
Filtering Routes with EIGRP
Problem Solution Discussion See Also
Redistributing Routes into EIGRP
Problem Solution Discussion See Also
Redistributing Routes into EIGRP Using Route Maps
Problem Solution Discussion See Also
Disabling EIGRP on an Interface
Problem Solution Discussion See Also
Adjusting EIGRP Metrics
Problem Solution Discussion
Adjusting Timers
Problem Solution Discussion See Also
Enabling EIGRP Authentication
Problem Solution Discussion See Also
EIGRP Route Summarization
Problem Solution Discussion See Also
Logging EIGRP Neighbor State Changes
Problem Solution Discussion See Also
Limiting EIGRP’s Bandwidth Utilization
Problem Solution Discussion See Also
EIGRP Stub Routing
Problem Solution Discussion See Also
Route Tagging
Problem Solution Discussion See Also
Viewing EIGRP Status
Problem Solution Discussion
8. OSPF
Introduction Configuring OSPF
Problem Solution Discussion
Filtering Routes in OSPF
Problem Solution Discussion See Also
Adjusting OSPF Costs
Problem Solution Discussion
Creating a Default Route in OSPF
Problem Solution Discussion See Also
Redistributing Static Routes into OSPF
Problem Solution Discussion
Redistributing External Routes into OSPF
Problem Solution Discussion See Also
Manipulating DR Selection
Problem Solution Discussion See Also
Setting the OSPF RID
Problem Solution Discussion See Also
Enabling OSPF Authentication
Problem Solution Discussion See Also
Selecting the Appropriate Area Types
Problem Solution Discussion See Also
Using OSPF on Dial Interfaces
Problem Solution Discussion See Also
Summarizing Routes in OSPF
Problem Solution Discussion See Also
Disabling OSPF on Certain Interfaces
Problem Solution Discussion
Changing the Network Type on an Interface
Problem Solution Discussion See Also
OSPF Route Tagging
Problem Solution Discussion See Also
Logging OSPF Adjacency Changes
Problem Solution Discussion See Also
Adjusting OSPF Timers
Problem Solution Discussion See Also
Reducing OSPF Traffic in Stable Networks
Problem Solution Discussion
OSPF Virtual Links
Problem Solution Discussion
Viewing OSPF Status with Domain Names
Problem Solution Discussion See Also
Debugging OSPF
Problem Solution Discussion
9. BGP
Introduction
Basic Terminology BGP Attributes Route Selection
Configuring BGP
Problem Solution Discussion See Also
Using eBGP Multihop
Problem Solution Discussion See Also
Adjusting the Next-Hop Attribute
Problem Solution Discussion
Connecting to Two ISPs
Problem Solution Discussion See Also
Connecting to Two ISPs with Redundant Routers
Problem Solution Discussion See Also
Restricting Networks Advertised to a BGP Peer
Problem Solution Discussion See Also
Adjusting Local Preference Values
Problem Solution Discussion See Also
Load-Balancing
Problem Solution Discussion
Removing Private ASNs from the AS Path
Problem Solution Discussion
Filtering BGP Routes Based on AS Paths
Problem Solution Discussion See Also
Reducing the Size of the Received Routing Table
Problem Solution Discussion See Also
Summarizing Outbound Routing Information
Problem Solution Discussion See Also
Prepending ASNs to the AS Path
Problem Solution Discussion See Also
Redistributing Routes with BGP
Problem Solution Discussion See Also
Using Peer Groups
Problem Solution Discussion
Authenticating BGP Peers
Problem Solution Discussion See Also
Using BGP Communities
Problem Solution Discussion See Also
Using BGP Route Reflectors
Problem Solution Discussion See Also
Putting It All Together
Problem Solution Discussion See Also
10. Frame Relay
Introduction
Frame Relay QoS Features
Setting Up Frame Relay with Point-to-Point Subinterfaces
Problem Solution Discussion See Also
Adjusting LMI Options
Problem Solution Discussion
Setting Up Frame Relay with Map Statements
Problem Solution Discussion See Also
Using Multipoint Subinterfaces
Problem Solution Discussion See Also
Configuring Frame Relay SVCs
Problem Solution Discussion See Also
Simulating a Frame Relay Cloud
Problem Solution Discussion See Also
Compressing Frame Relay Data on a Subinterface
Problem Solution Discussion See Also
Compressing Frame Relay Data with Maps
Problem Solution Discussion See Also
PPP over Frame Relay
Problem Solution Discussion See Also
Viewing Frame Relay Status Information
Problem Solution Discussion
11. Handling Queuing and Congestion
Introduction
Queuing Algorithms Fast Switching and CEF
Fast Switching and CEF
Problem Solution Discussion See Also
Setting the DSCP or TOS Field
Problem Solution Discussion See Also
Using Priority Queuing
Problem Solution Discussion See Also
Using Custom Queuing
Problem Solution Discussion
Using Custom Queues with Priority Queues
Problem Solution Discussion See Also
Using Weighted Fair Queuing
Problem Solution Discussion See Also
Using Class-Based Weighted Fair Queuing
Problem Solution Discussion See Also
Using NBAR Classification
Problem Solution Discussion
Controlling Congestion with WRED
Problem Solution Discussion See Also
Using RSVP
Problem Solution Discussion See Also
Manual RSVP Reservations
Problem Solution Discussion See Also
Aggregating RSVP Reservations
Problem Solution Discussion See Also
Using Generic Traffic Shaping
Problem Solution Discussion See Also
Using Frame-Relay Traffic Shaping
Problem Solution Discussion See Also
Using Committed Access Rate
Problem Solution Discussion See Also
Implementing Standards-Based Per-Hop Behavior
Problem Solution Discussion See Also
AutoQoS
Problem Solution Discussion See Also
Viewing Queue Parameters
Problem Solution Discussion
12. Tunnels and VPNs
Introduction Creating a Tunnel
Problem Solution Discussion See Also
Tunneling Foreign Protocols in IP
Problem Solution Discussion See Also
Tunneling with Dynamic Routing Protocols
Problem Solution Discussion See Also
Viewing Tunnel Status
Problem Solution Discussion See Also
Creating an Encrypted Router-to-Router VPN in a GRE Tunnel
Problem Solution Discussion See Also
Creating an Encrypted VPN Between the LAN Interfaces of Two Routers
Problem Solution Discussion See Also
Generating RSA Keys
Problem Solution Discussion See Also
Creating a Router-to-Router VPN with RSA Keys
Problem Solution Discussion See Also
Creating a VPN Between a Workstation and a Router
Problem Solution Discussion See Also
Creating an SSL VPN
Problem Solution Discussion See Also
Checking IPSec Protocol Status
Problem Solution Discussion
13. Dial Backup
Introduction
Analog Modems Switched 56 Kbps Digital Service ISDN Estimating How Many Dialup Lines You Need
Automating Dial Backup
Problem Solution Discussion See Also
Using Dialer Interfaces
Problem Solution Discussion See Also
Using an Async Modem on the AUX Port
Problem Solution Discussion See Also
Using Backup Interfaces
Problem Solution Discussion See Also
Using Dialer Watch
Problem Solution Discussion See Also
Using Virtual Templates
Problem Solution Discussion See Also
Ensuring Proper Disconnection
Problem Solution Discussion
View Dial Backup Status
Problem Solution Discussion See Also
Debugging Dial Backup
Problem Solution Discussion
14. NTP and Time
Introduction Time-Stamping Router Logs
Problem Solution Discussion See Also
Setting the Time
Problem Solution Discussion See Also
Setting the Time Zone
Problem Solution Discussion See Also
Adjusting for Daylight Saving Time
Problem Solution Discussion See Also
Synchronizing the Time on All Routers (NTP)
Problem Solution Discussion See Also
Configuring NTP Redundancy
Problem Solution Discussion See Also
Setting the Router As the NTP Master for the Network
Problem Solution Discussion See Also
Changing NTP Synchronization Periods
Problem Solution Discussion See Also
Using NTP to Send Periodic Broadcast Time Updates
Problem Solution Discussion See Also
Using NTP to Send Periodic Multicast Time Updates
Problem Solution Discussion See Also
Enabling and Disabling NTP Per Interface
Problem Solution Discussion See Also
NTP Authentication
Problem Solution Discussion
Limiting the Number of Peers
Problem Solution Discussion See Also
Restricting Peers
Problem Solution Discussion See Also
Setting the Clock Period
Problem Solution Discussion
Checking the NTP Status
Problem Solution Discussion
Debugging NTP
Problem Solution Discussion
NTP Logging
Problem Solution Discussion See Also
Extended Daylight Saving Time
Problem Solution Discussion See Also
NTP Server Configuration
Problem Solution Discussion See Also
15. DLSw
Introduction
Service Access Points (SAP and LSAP) Explorers and RIFs Cisco IOS Code Sets
Simple Bridging
Problem Solution Discussion
Configuring DLSw
Problem Solution Discussion
Using DLSw to Bridge Between Ethernet and Token Ring
Problem Solution Discussion See Also
Converting Ethernet and Token Ring MAC Addresses
Problem Solution Discussion See Also
Configuring SDLC
Problem Solution Discussion See Also
Configuring SDLC for Multidrop Connections
Problem Solution Discussion See Also
Using STUN
Problem Solution Discussion See Also
Using BSTUN
Problem Solution Discussion
Controlling DLSw Packet Fragmentation
Problem Solution Discussion
Tagging DLSw Packets for QoS
Problem Solution Discussion See Also
Supporting SNA Priorities
Problem Solution Discussion See Also
DLSw+ Redundancy and Fault Tolerance
Problem Solution Discussion See Also
Viewing DLSw Status Information
Problem Solution Discussion
Viewing SDLC Status Information
Problem Solution Discussion See Also
Debugging DSLw
Problem Solution Discussion See Also
16. Router Interfaces and Media
Introduction Viewing Interface Status
Problem Solution Discussion See Also
Configuring Serial Interfaces
Problem Solution Discussion See Also
Using an Internal T1 CSU/DSU
Problem Solution Discussion See Also
Using an Internal ISDN PRI Module
Problem Solution Discussion See Also
Using an Internal 56 Kbps CSU/DSU
Problem Solution Discussion See Also
Configuring an Async Serial Interface
Problem Solution Discussion See Also
Configuring ATM Subinterfaces
Problem Solution Discussion See Also
Setting Payload Scrambling on an ATM Circuit
Problem Solution Discussion See Also
Classical IP Over ATM
Problem Solution Discussion See Also
Configuring Ethernet Interface Features
Problem Solution Discussion
Configuring Token Ring Interface Features
Problem Solution Discussion See Also
Connecting VLAN Trunks with ISL
Problem Solution Discussion See Also
Connecting VLAN Trunks with 802.1Q
Problem Solution Discussion See Also
LPD Printer Support
Problem Solution Discussion See Also
17. Simple Network Management Protocol
Introduction
SNMP Management Model MIBs and OIDs
Configuring SNMP
Problem Solution Discussion See Also
Extracting Router Information via SNMP Tools
Problem Solution Discussion See Also
Recording Important Router Information for SNMP Access
Problem Solution Discussion
Using SNMP to Extract Inventory Information from a List of Routers
Problem Solution Discussion See Also
Using Access Lists to Protect SNMP Access
Problem Solution Discussion See Also
Logging Unauthorized SNMP Attempts
Problem Solution Discussion See Also
Limiting MIB Access
Problem Solution Discussion See Also
Using SNMP to Modify a Router’s Running Configuration
Problem Solution Discussion See Also
Using SNMP to Copy a New IOS Image
Problem Solution Discussion See Also
Using SNMP to Perform Mass Configuration Changes
Problem Solution Discussion See Also
Preventing Unauthorized Configuration Modifications
Problem Solution Discussion See Also
Making Interface Table Numbers Permanent
Problem Solution Discussion See Also
Enabling SNMP Traps and Informs
Problem Solution Discussion See Also
Sending Syslog Messages As SNMP Traps and Informs
Problem Solution Discussion See Also
Setting SNMP Packet Size
Problem Solution Discussion
Setting SNMP Queue Size
Problem Solution Discussion
Setting SNMP Timeout Values
Problem Solution Discussion
Disabling Link Up/Down Traps per Interface
Problem Solution Discussion See Also
Setting the IP Source Address for SNMP Traps
Problem Solution Discussion
Using RMON to Send Traps
Problem Solution Discussion See Also
Enabling SNMPv3
Problem Solution Discussion See Also
Strong SNMPv3 Encryption
Problem Solution Discussion See Also
Using SAA
Problem Solution Discussion
18. Logging
Introduction Enabling Local Router Logging
Problem Solution Discussion See Also
Setting the Log Size
Problem Solution Discussion See Also
Clearing the Router’s Log
Problem Solution Discussion
Sending Log Messages to Your Screen
Problem Solution Discussion
Using a Remote Log Server
Problem Solution Discussion See Also
Enabling Syslog on a Unix Server
Problem Solution Discussion See Also
Changing the Default Log Facility
Problem Solution Discussion See Also
Restricting What Log Messages Are Sent to the Server
Problem Solution Discussion
Setting the IP Source Address for Syslog Messages
Problem Solution Discussion See Also
Logging Router Syslog Messages in Different Files
Problem Solution Discussion See Also
Maintaining Syslog Files on the Server
Problem Solution Discussion
Testing the Syslog Sever Configuration
Problem Solution Discussion
Preventing the Most Common Messages from Being Logged
Problem Solution Discussion
Rate-Limiting Syslog Traffic
Problem Solution Discussion
Enabling Error Log Counting
Problem Solution Discussion
XML-Formatted Log Messages
Problem Solution Discussion See Also
Modifying Log Messages
Problem Solution Discussion See Also
19. Access-Lists
Introduction Filtering by Source or Destination IP Address
Problem Solution Discussion See Also
Adding a Comment to an ACL
Problem Solution Discussion See Also
Filtering by Application
Problem Solution Discussion See Also
Filtering Based on TCP Header Flags
Problem Solution Discussion See Also
Restricting TCP Session Direction
Problem Solution Discussion
Filtering Multiport Applications
Problem Solution Discussion See Also
Filtering Based on DSCP and TOS
Problem Solution Discussion See Also
Logging When an Access-List Is Used
Problem Solution Discussion See Also
Logging TCP Sessions
Problem Solution Discussion See Also
Analyzing ACL Log Entries
Problem Solution Discussion See Also
Using Named and Reflexive Access-Lists
Problem Solution Discussion See Also
Dealing with Passive Mode FTP
Problem Solution Discussion See Also
Using Time-Based Access-Lists
Problem Solution Discussion See Also
Filtering Based on Noncontiguous Ports
Problem Solution Discussion See Also
Advanced Access-List Editing
Problem Solution Discussion See Also
Filtering IPv6
Problem Solution Discussion See Also
20. DHCP
Introduction Using IP Helper Addresses for DHCP
Problem Solution Discussion See Also
Limiting the Impact of IP Helper Addresses
Problem Solution Discussion See Also
Using DHCP to Dynamically Configure Router IP Addresses
Problem Solution Discussion
Dynamically Allocating Client IP Addresses via DHCP
Problem Solution Discussion See Also
Defining DHCP Configuration Options
Problem Solution Discussion See Also
Defining DHCP Lease Periods
Problem Solution Discussion See Also
Allocating Static IP Addresses with DHCP
Problem Solution Discussion See Also
Configuring a DHCP Database Client
Problem Solution Discussion See Also
Configuring Multiple DHCP Servers per Subnet
Problem Solution Discussion See Also
DHCP Static Mapping
Problem Solution Discussion See Also
DHCP-Secured IP Address Assignment
Problem Solution Discussion
Showing DHCP Status
Problem Solution Discussion See Also
Debugging DHCP
Problem Solution Discussion
21. NAT
Introduction Configuring Basic NAT Functionality
Problem Solution Discussion
Allocating External Addresses Dynamically
Problem Solution Discussion See Also
Allocating External Addresses Statically
Problem Solution Discussion See Also
Translating Some Addresses Statically and Others Dynamically
Problem Solution Discussion See Also
Using Route Maps to Refine Static Translation Rules
Problem Solution Discussion See Also
Translating in Both Directions Simultaneously
Problem Solution Discussion See Also
Rewriting the Network Prefix
Problem Solution Discussion
Using NAT for Server Load Distribution
Problem Solution Discussion
Stateful NAT Failover
Problem Solution Discussion See Also
Adjusting NAT Timers
Problem Solution Discussion See Also
Changing TCP Ports for FTP
Problem Solution Discussion
Checking NAT Status
Problem Solution Discussion
Debugging NAT
Problem Solution Discussion
22. First Hop Redundancy Protocols
Introduction Configuring Basic HSRP Functionality
Problem Solution Discussion See Also
Using HSRP Preempt
Problem Solution Discussion See Also
Making HSRP React to Problems on Other Interfaces
Problem Solution Discussion See Also
Load-Balancing with HSRP
Problem Solution Discussion See Also
Redirecting ICMP with HSRP
Problem Solution Discussion
Manipulating HSRP Timers
Problem Solution Discussion
Using HSRP on Token Ring
Problem Solution Discussion See Also
HSRP SNMP Support
Problem Solution Discussion See Also
Increasing HSRP Security
Problem Solution Discussion See Also
Showing HSRP State Information
Problem Solution Discussion
Debugging HSRP
Problem Solution Discussion
HSRP Version 2
Problem Solution Discussion See Also
VRRP
Problem Solution Discussion See Also
Gateway Load-Balancing Protocol
Problem Solution Discussion See Also
23. IP Multicast
Introduction
IGMP and CGMP Multicast Routing Protocols
Configuring Basic Multicast Functionality with PIM-DM
Problem Solution Discussion
Routing Multicast Traffic with PIM-SM and BSR
Problem Solution Discussion
Routing Multicast Traffic with PIM-SM and Auto-RP
Problem Solution Discussion See Also
Filtering PIM Neighbors
Problem Solution Discussion
Configuring Routing for a Low-Frequency Multicast Application
Problem Solution Discussion See Also
Multicast over Frame Relay or ATM WANs
Problem Solution Discussion See Also
Configuring CGMP
Problem Solution Discussion
Using IGMP Version 3
Problem Solution Discussion See Also
Static Multicast Routes and Group Memberships
Problem Solution Discussion
Routing Multicast Traffic with MOSPF
Problem Solution Discussion
Routing Multicast Traffic with DVMRP
Problem Solution Discussion See Also
DVMRP Tunnels
Problem Solution Discussion See Also
Configuring Bidirectional PIM
Problem Solution Discussion See Also
Controlling Multicast Scope with TTL
Problem Solution Discussion See Also
Controlling Multicast Scope with Administratively Scoped Addressing
Problem Solution Discussion
Exchanging Multicast Routing Information with MBGP
Problem Solution Discussion See Also
Using MSDP to Discover External Sources
Problem Solution Discussion See Also
Configuring Anycast RP
Problem Solution Discussion See Also
Converting Broadcasts to Multicasts
Problem Solution Discussion See also
Showing Multicast Status
Problem Solution Discussion
Debugging Multicast Routing
Problem Solution Discussion
24. IP Mobility
Introduction
Terminology Local Area Mobility
Local Area Mobility
Problem Solution Discussion See Also
Home Agent Configuration
Problem Solution Discussion See Also
Foreign Agent Configuration
Problem Solution Discussion See Also
Making a Router a Mobile Node
Problem Solution Discussion See Also
Reverse-Tunnel Forwarding
Problem Solution Discussion See Also
Using HSRP for Home Agent Redundancy
Problem Solution Discussion See Also
25. IPv6
Introduction
IPv6 Addressing Addressing Standards IEEE EUI-64 Identifiers Routing Protocols
Automatically Generating IPv6 Addresses for an Interface
Problem Solution Discussion See Also
Manually Configuring IPv6 Addresses on an Interface
Problems Solution Discussion See Also
Configuring DHCP for IPv6
Problem Solution Discussion See Also
Dynamic Routing with RIP
Problem Solution Discussion See Also
Modifying the Default RIP Parameters
Problem Solution Discussion See Also
IPv6 Route Filtering and Metric Manipulation in RIP
Problem Solution Discussion See Also
Using OSPF for IPv6
Problem Solution Discussion See Also
IPv6 Route Filtering and Metric Manipulation in OSPF
Problem Solution Discussion See Also
Route Redistribution
Problem Solution Discussion See Also
Dynamic Routing with MBGP
Problem Solution Discussion See Also
Tunneling IPv6 Through an Existing IPv4 Network
Problem Solution Discussion See Also
Translating Between IPv6 and IPv4
Problem Solution Discussion See Also
26. MPLS
Introduction
Some Terminology Benefits of MPLS IOS Versions and Feature Sets Structure of This Chapter
Configuring a Basic MPLS P Router
Problem Solution Discussion See Also
Configuring a Basic MPLS PE Router
Problem Solution Discussion See Also
Configuring Basic MPLS CE Routers
Problem Solution Discussion See Also
Configuring MPLS over ATM
Problem Solution Discussion
PE-CE Communication via RIP
Problem Solution Discussion See Also
PE-CE Communication via OSPF
Problem Solution Discussion See Also
PE-CE Communication via EIGRP
Problem Solution Discussion See Also
PE-CE Communication via BGP
Problem Solution Discussion See Also
QoS over MPLS
Problem Solution Discussion See Also
MPLS Traffic Engineering with Autoroute
Problem Solution Discussion See Also
Multicast Over MPLS
Problem Solution Discussion See Also
Your Service Provider Doesn’t Do What You Want
Problem Solution Discussion See Also
27. Security
Introduction
CBAC PAM Authentication Proxy TCP Intercept Intrusion Prevention AutoSecure
Using AutoSecure
Problem Solution Discussion
Using Context-Based Access-Lists
Problem Solution Discussion See Also
Transparent Cisco IOS Firewall
Problem Solution Discussion See Also
Stopping Denial of Service Attacks
Problem Solution Discussion
Inspecting Applications on Different Port Numbers
Problem Solution Discussion See Also
Intrusion Detection and Prevention
Problem Solution Discussion See Also
Login Password Retry Lockout
Problem Solution Discussion See Also
Authentication Proxy
Problem Solution Discussion See Also
1. External Software Packages
Perl Expect NET-SNMP PuTTY OpenSSH Ethereal
2. IP Precedence, TOS, and DSCP Classifications
IP Precedence, TOS, and DSCP Classifications
Combining TOS and IP Precedence to Mimic DSCP RSVP
Queueing Algorithms
Weighted Fair Queueing Priority Queueing Custom Queueing
Dropping Packets and Congestion Avoidance
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