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Cisco ASA 5500 Series Configuration
Guide using ASDM
Software Version 6.3, for use with Cisco ASA 5500 Version 8.3
Customer Order Number: N/A, Online only
Text Part Number: OL-20339-01
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Cisco ASA 5500 Series Configuration Guide using ASDM
Copyright © 2010 Cisco Systems, Inc. All rights reserved.
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CONTENTS
About This Guide lix
Document Objectives lix
Audience lix
Related Documentation lx
Document Conventions lx
Obtaining Documentation, Obtaining Support, and Security Guidelines lx
PART
1 Getting Started and General Information
CHAPTER
1 Introduction to the Cisco ASA 5500 Series Adaptive Security Appliance 1-1
ASDM Client Operating System and Browser Requirements 1-1
ASA 5500 Model Support 1-2
Module Support 1-2
VPN Specifications 1-3
New Features 1-3
New Features in Version 6.3(2)/8.3(2) 1-3
New Features in Version 6.3(1)/8.3(1) 1-6
Unsupported Commands 1-13
Ignored and View-Only Commands 1-13
Effects of Unsupported Commands 1-14
Discontinuous Subnet Masks Not Supported 1-14
Interactive User Commands Not Supported by the ASDM CLI Tool 1-14
Firewall Functional Overview 1-15
Security Policy Overview 1-15
Permitting or Denying Traffic with Access Rules 1-16
Applying NAT 1-16
Protecting from IP Fragments 1-16
Using AAA for Through Traffic 1-16
Applying HTTP, HTTPS, or FTP Filtering 1-16
Applying Application Inspection 1-16
Sending Traffic to the Advanced Inspection and Prevention Security Services Module 1-16
Sending Traffic to the Content Security and Control Security Services Module 1-17
Applying QoS Policies 1-17
Applying Connection Limits and TCP Normalization 1-17
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Enabling Threat Detection 1-17
Enabling the Botnet Traffic Filter 1-17
Configuring Cisco Unified Communications 1-18
Firewall Mode Overview 1-18
Stateful Inspection Overview 1-18
VPN Functional Overview 1-19
Security Context Overview 1-20
CHAPTER
2 Getting Started 2-1
Configuring the Security Appliance for ASDM Access 2-1
Starting ASDM 2-1
Downloading the ASDM Launcher 2-2
Starting ASDM from the ASDM Launcher 2-2
Using ASDM in Demo Mode 2-3
Starting ASDM from a Web Browser 2-4
Multiple ASDM Session Support 2-5
Factory Default Configurations 2-5
Restoring the Factory Default Configuration 2-5
ASA 5505 Default Configuration 2-6
ASA 5510 and Higher Default Configuration 2-7
Getting Started With the Configuration 2-8
Using the Command Line Interface 2-8
Using the Command Line Interface Tool 2-9
Handling Command Errors 2-9
Using Interactive Commands 2-9
Avoiding Conflicts with Other Administrators 2-10
Showing Commands Ignored by ASDM on the Device 2-10
CHAPTER
3 Using the ASDM User Interface 3-1
Information About the ASDM User Interface 3-1
Navigating in the ASDM User Interface 3-3
Menus 3-4
File Menu 3-4
View Menu 3-5
Tools Menu 3-6
Wizards Menu 3-8
Window Menu 3-9
Help Menu 3-9
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Toolbar 3-10
ASDM Assistant 3-10
Status Bar 3-11
Connection to Device 3-11
Device List 3-11
Common Buttons 3-12
Keyboard Shortcuts 3-13
Enabling Extended Screen Reader Support 3-14
Organizational Folder 3-15
About the Help Window 3-15
Header Buttons 3-15
Browser Window 3-15
Home Pane (Single Mode and Context) 3-16
Device Dashboard Tab 3-16
Device Information Pane 3-17
Interface Status Pane 3-17
VPN Sessions Pane 3-17
Failover Status Pane 3-18
System Resources Status Pane 3-18
Traffic Status Pane 3-18
Latest ASDM Syslog Messages Pane 3-18
Firewall Dashboard Tab 3-19
Traffic Overview Pane 3-20
Top 10 Access Rules Pane 3-20
Top Usage Status Pane 3-20
Top Ten Protected Servers Under SYN Attack Pane 3-21
Top 200 Hosts Pane 3-21
Top Botnet Traffic Filter Hits Pane 3-21
Content Security Tab 3-21
Intrusion Prevention Tab 3-22
Home Pane (System) 3-24
CHAPTER
4 Managing Feature Licenses 4-1
Supported Feature Licenses Per Model 4-1
Licenses Per Model 4-2
License Notes 4-9
VPN License and Feature Compatibility 4-11
Information About Feature Licenses 4-11
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Preinstalled License 4-12
Permanent License 4-12
Time-Based Licenses 4-12
Time-Based License Activation Guidelines 4-12
How the Time-Based License Timer Works 4-12
How Permanent and Time-Based Licenses Combine 4-13
Stacking Time-Based Licenses 4-14
Time-Based License Expiration 4-14
Shared SSL VPN Licenses 4-14
Information About the Shared Licensing Server and Participants 4-15
Communication Issues Between Participant and Server 4-16
Information About the Shared Licensing Backup Server 4-16
Failover and Shared Licenses 4-17
Maximum Number of Participants 4-18
Failover Licenses 4-19
Failover License Requirements 4-19
How Failover Licenses Combine 4-19
Loss of Communication Between Failover Units 4-20
Upgrading Failover Pairs 4-20
Licenses FAQ 4-20
Guidelines and Limitations 4-21
Viewing Your Current License 4-23
Obtaining an Activation Key 4-23
Activating or Deactivating Keys 4-24
Configuring a Shared License 4-25
Configuring the Shared Licensing Server 4-25
Configuring the Shared Licensing Participant and the Optional Backup Server 4-26
Monitoring the Shared License 4-27
Feature History for Licensing 4-27
CHAPTER
5 Configuring the Transparent or Routed Firewall 5-1
Configuring the Firewall Mode 5-1
Information About the Firewall Mode 5-1
Information About Routed Firewall Mode 5-2
Information About Transparent Firewall Mode 5-2
Licensing Requirements for the Firewall Mode 5-4
Default Settings 5-4
Guidelines and Limitations 5-5
Setting the Firewall Mode 5-7
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Configuring ARP Inspection for the Transparent Firewall 5-8
Information About ARP Inspection 5-8
Licensing Requirements for ARP Inspection 5-8
Default Settings 5-9
Guidelines and Limitations 5-9
Configuring ARP Inspection 5-9
Task Flow for Configuring ARP Inspection 5-9
Adding a Static ARP Entry 5-9
Enabling ARP Inspection 5-10
Feature History for ARP Inspection 5-11
Customizing the MAC Address Table for the Transparent Firewall 5-11
Information About the MAC Address Table 5-11
Licensing Requirements for the MAC Address Table 5-12
Default Settings 5-12
Guidelines and Limitations 5-12
Configuring the MAC Address Table 5-13
Adding a Static MAC Address 5-13
Disabling MAC Address Learning 5-13
Feature History for the MAC Address Table 5-14
Firewall Mode Examples 5-14
How Data Moves Through the Security Appliance in Routed Firewall Mode 5-14
An Inside User Visits a Web Server 5-15
An Outside User Visits a Web Server on the DMZ 5-16
An Inside User Visits a Web Server on the DMZ 5-17
An Outside User Attempts to Access an Inside Host 5-18
A DMZ User Attempts to Access an Inside Host 5-19
How Data Moves Through the Transparent Firewall 5-20
An Inside User Visits a Web Server 5-21
An Inside User Visits a Web Server Using NAT 5-22
An Outside User Visits a Web Server on the Inside Network 5-23
An Outside User Attempts to Access an Inside Host 5-24
PART
2 Setting up the Adaptive Security Appliance
CHAPTER
6 Configuring Multiple Context Mode 6-1
Information About Security Contexts 6-1
Common Uses for Security Contexts 6-2
Context Configuration Files 6-2
Context Configurations 6-2
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System Configuration 6-2
Admin Context Configuration 6-2
How the Security Appliance Classifies Packets 6-3
Valid Classifier Criteria 6-3
Classification Examples 6-4
Cascading Security Contexts 6-6
Management Access to Security Contexts 6-7
System Administrator Access 6-7
Context Administrator Access 6-8
Information About Resource Management 6-8
Resource Limits 6-8
Default Class 6-9
Class Members 6-10
Information About MAC Addresses 6-11
Default MAC Address 6-11
Interaction with Manual MAC Addresses 6-11
Failover MAC Addresses 6-11
MAC Address Format 6-11
Licensing Requirements for Multiple Context Mode 6-12
Guidelines and Limitations 6-12
Default Settings 6-13
Configuring Multiple Contexts 6-13
Task Flow for Configuring Multiple Context Mode 6-13
Enabling or Disabling Multiple Context Mode 6-14
Enabling Multiple Context Mode 6-14
Restoring Single Context Mode 6-14
Configuring a Class for Resource Management 6-15
Configuring a Security Context 6-17
Automatically Assigning MAC Addresses to Context Interfaces 6-19
Monitoring Security Contexts 6-20
Monitoring Context Resource Usage 6-20
Viewing Assigned MAC Addresses 6-21
Viewing MAC Addresses in the System Configuration 6-21
Viewing MAC Addresses Within a Context 6-22
Feature History for Multiple Context Mode 6-23
CHAPTER
7 Using the Startup Wizard 7-1
Information About the Startup Wizard 7-1
Licensing Requirements for the Startup Wizard 7-1
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Prerequisites for the Startup Wizard 7-2
Guidelines and Limitations 7-2
Startup Wizard Screens for ASA 5500 Series Adaptive Security Appliances 7-3
Startup Wizard Screens for the ASA 5505 Adaptive Security Appliance 7-3
Step 1 - Starting Point or Welcome 7-4
Step 2 - Basic Configuration 7-5
Step 3 - Time Zone and Clock Configuration 7-5
Step 4 - Auto Update Server 7-6
Step 5 - Management IP Address Configuration 7-6
Step 6 - Interface Selection 7-6
Step 7 - Switch Port Allocation 7-7
Step 8 - Interface IP Address Configuration 7-8
Step 9 - Internet Interface Configuration - PPPoE 7-8
Step 10 - Business Interface Configuration - PPPoE 7-9
Step 11 - Home Interface Configuration - PPPoE 7-10
Step 12 - General Interface Configuration 7-10
Step 13 - Static Routes 7-11
Adding or Editing Static Routes 7-11
Step 14 - DHCP Server 7-11
Step 15 - Address Translation (NAT/PAT) 7-12
Step 16 - Administrative Access 7-13
Adding or Editing Administrative Access Entry 7-13
Step 17 - Easy VPN Remote Configuration 7-14
Step 18 - Startup Wizard Summary 7-16
Other Interfaces Configuration 7-16
Editing Interfaces 7-16
Configuring IPv6 Neighbor Discovery 7-18
Configuring Neighbor Solicitation Messages 7-18
Configuring the Neighbor Solicitation Message Interval 7-19
Configuring the Neighbor Reachable Time 7-19
Configuring DAD Settings 7-20
Configuring IPv6 Addresses on an Interface 7-21
Configuring IPv6 Prefixes on an Interface 7-21
Configuring Router Advertisement Messages 7-22
Configuring the Router Advertisement Transmission Interval 7-23
Configuring the Router Lifetime Value 7-24
Suppressing Router Advertisement Messages 7-25
Configuring IPv6 Static Neighbors 7-25
Adding an IPv6 Static Neighbor 7-25
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Editing Static Neighbors 7-26
Deleting Static Neighbors 7-26
Viewing and Clearing Dynamic Neighbors 7-27
Interface Configuration 7-27
Outside Interface Configuration - PPPoE 7-27
Outside Interface Configuration 7-28
Feature History for the Startup Wizard 7-29
CHAPTER
8 Configuring Interfaces 8-1
Information About Interfaces 8-1
ASA 5505 Interfaces 8-2
Understanding ASA 5505 Ports and Interfaces 8-2
Maximum Active VLAN Interfaces for Your License 8-2
VLAN MAC Addresses 8-4
Power over Ethernet 8-4
Monitoring Traffic Using SPAN 8-4
ASA 5580 Interfaces 8-5
Auto-MDI/MDIX Feature 8-5
Security Levels 8-5
Dual IP Stack 8-6
Management Interface (ASA 5510 and Higher) 8-6
Licensing Requirements for Interfaces 8-6
Guidelines and Limitations 8-7
Default Settings 8-8
Starting Interface Configuration (ASA 5510 and Higher) 8-9
Task Flow for Starting Interface Configuration 8-9
Enabling the Physical Interface and Configuring Ethernet Parameters 8-10
Configuring a Redundant Interface 8-12
Configuring a Redundant Interface 8-12
Changing the Active Interface 8-14
Configuring VLAN Subinterfaces and 802.1Q Trunking 8-14
Assigning Interfaces to Contexts and Automatically Assigning MAC Addresses (Multiple Context
Mode)
8-16
Starting Interface Configuration (ASA 5505) 8-16
Task Flow for Starting Interface Configuration 8-16
Configuring VLAN Interfaces 8-17
Configuring and Enabling Switch Ports as Access Ports 8-18
Configuring and Enabling Switch Ports as Trunk Ports 8-19
Completing Interface Configuration (All Models) 8-21
Contents
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Task Flow for Completing Interface Configuration 8-21
Configuring General Interface Parameters 8-22
PPPoE IP Address and Route Settings 8-25
Configuring Advanced Interface Parameters 8-26
Configuring IPv6 Addressing 8-27
Configuring the Link-Local Address on an Interface (Transparent Firewall Mode) 8-30
Allowing Same Security Level Communication 8-31
Enabling Jumbo Frame Support (ASA 5580, Multiple Mode) 8-32
Monitoring Interfaces 8-32
ARP Table 8-33
DHCP 8-33
DHCP Server Table 8-33
DHCP Client Lease Information 8-33
DHCP Statistics 8-35
MAC Address Table 8-35
Dynamic ACLs 8-36
Interface Graphs 8-36
Graph/Table 8-38
PPPoE Client 8-39
Interface Connection 8-39
Track Status for 8-39
Monitoring Statistics for 8-39
Feature History for Interfaces 8-40
CHAPTER
9 Configuring Basic Settings 9-1
Configuring the Hostname, Domain Name, and Passwords 9-1
Setting the Date and Time 9-2
Setting the Date and Time Using an NTP Server 9-3
Add/Edit NTP Server Configuration 9-3
Setting the Date and Time Manually 9-5
Configuring HTTP Redirect 9-5
Edit HTTP/HTTPS Settings 9-6
Configuring the Master Passphrase 9-6
Information About the Master Passphrase 9-6
Licensing Requirements for the Master Passphrase 9-7
Guidelines and Limitations 9-7
Adding or Changing the Master Passphrase 9-7
Disabling the Master Passphrase 9-8
Recovering the Master Passphrase 9-9
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Feature History for the Master Passphrase 9-9
Configuring the DNS Server 9-10
Defining ASDM Preferences 9-11
Using the ASDM Assistant 9-13
Enabling History Metrics 9-13
Setting the Management IP Address for a Transparent Firewall 9-14
Information About the Management IP Address 9-14
Licensing Requirements for the Management IP Address for a Transparent Firewall 9-14
Guidelines and Limitations 9-14
Configuring the IPv4 Address 9-15
Configuring the IPv6 Address 9-16
Configuring the Global Address 9-16
Configuring the Link-Local Addresses Automatically 9-17
Configuring DAD Settings 9-17
Feature History for the Management IP Address for a Transparent Firewall 9-18
CHAPTER
10 Configuring DHCP 10-1
Information About DHCP 10-1
Licensing Requirements for DHCP 10-1
Guidelines and Limitations 10-2
Configuring DHCP Relay Services 10-2
Editing DHCP Relay Agent Settings 10-4
Adding or Editing Global DHCP Relay Server Settings 10-4
Configuring a DHCP Server 10-5
Editing DHCP Servers 10-6
Configuring Advanced DHCP Options 10-7
DHCP Monitoring 10-8
Feature History for DHCP 10-9
CHAPTER
11 Configuring Dynamic DNS 11-1
Information about DDNS 11-1
Licensing Requirements for DDNS 11-1
Guidelines and Limitations 11-2
Configuring Dynamic DNS 11-2
DDNS Monitoring 11-4
Feature History for DDNS 11-4
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CHAPTER
12 Configuring Web Cache Services Using WCCP 12-1
Information About WCCP 12-1
Guidelines and Limitations 12-1
Licensing Requirements for WCCP 12-2
Configuring WCCP Service Groups 12-3
Adding or Editing WCCP Service Groups 12-3
Configuring Packet Redirection 12-4
Adding or Editing Packet Redirection 12-4
WCCP Monitoring 12-4
Feature History for WCCP 12-5
CHAPTER
13 Configuring Objects 13-1
Configuring Network Objects and Groups 13-1
Network Object Overview 13-2
Configuring a Network Object 13-2
Configuring a Network Object Group 13-3
Using Network Objects and Groups in a Rule 13-4
Viewing the Usage of a Network Object or Group 13-4
Configuring Service Objects and Service Groups 13-5
Information about Service Objects and Service Groups 13-5
Adding and Editing a Service Object 13-6
Adding a Service Object 13-6
Editing a Service Object 13-6
Adding and Editing a Service Group 13-7
Adding a Service Group 13-7
Editing a Service Group 13-8
Browse Service Groups 13-9
Licensing Requirements for Objects and Groups 13-9
Guidelines and Limitations for Objects and Groups 13-10
Configuring Regular Expressions 13-10
Creating a Regular Expression 13-10
Building a Regular Expression 13-13
Testing a Regular Expression 13-14
Creating a Regular Expression Class Map 13-15
Configuring Time Ranges 13-15
Add/Edit Time Range 13-16
Adding a Time Range to an Access Rule 13-16
Add/Edit Recurring Time Range 13-18
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CHAPTER
14 Configuring Public Servers 14-1
Public Server Overview 14-1
Adding a Public Server 14-2
Adding a Public Server that Enables Static NAT 14-2
Adding a Public Server that Enables Static NAT with Port Address Translation 14-2
Editing a Public Server 14-3
PART
3 Configuring ACLs
CHAPTER
15 Using the ACL Manager 15-1
Standard ACL 15-1
Extended ACL 15-2
Add/Edit/Paste ACE 15-3
CHAPTER
16 Adding a WebtypeACL 16-1
Licensing Requirements for Webtype ACLs 16-1
Guidelines and Limitations 16-1
Default Settings 16-2
Using Webtype ACLs 16-2
Task Flow for Configuring Webtype ACLs 16-2
Adding a Webtype ACL and ACE 16-2
Editing Webtype ACLs and ACEs 16-4
Deleting Webtype ACLs and ACEs 16-5
Feature History for Webtype Access Lists 16-5
CHAPTER
17 Adding a StandardACL 17-1
Information About Standard ACLs 17-1
Licensing Requirements for Standard ACLs 17-1
Guidelines and Limitations 17-1
Default Settings 17-2
Adding Standard ACLs 17-2
Using Standard ACLs 17-3
Adding a Standard ACL 17-3
Adding an ACE to a Standard ACL 17-3
Editing an ACE in a Standard ACL 17-4
Feature History for Standard ACLs 17-4
Contents
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PART
4 Configuring IP Routing
CHAPTER
18 Information About Routing 18-1
Information About Routing 18-1
Switching 18-1
Path Determination 18-2
Supported Route Types 18-2
Static Versus Dynamic 18-2
Single-Path Versus Multipath 18-3
Flat Versus Hierarchical 18-3
Link-State Versus Distance Vector 18-3
How Routing Behaves Within the Adaptive Security Appliance 18-4
Egress Interface Selection Process 18-4
Next Hop Selection Process 18-4
Supported Internet Protocols for Routing 18-5
Information About the Routing Table 18-5
Displaying the Routing Table 18-5
How the Routing Table Is Populated 18-6
Backup Routes 18-7
How Forwarding Decisions are Made 18-7
Dynamic Routing and Failover 18-8
Information About IPv6 Support 18-8
Features that Support IPv6 18-9
IPv6-Enabled Commands 18-9
IPv6 Command Guidelines in Transparent Firewall Mode 18-10
Entering IPv6 Addresses in Commands 18-10
Disabling Proxy ARPs 18-11
CHAPTER
19 Configuring Static and Default Routes 19-1
Information About Static and Default Routes 19-1
Licensing Requirements for Static and Default Routes 19-2
Guidelines and Limitations 19-2
Configuring Static and Default Routes 19-2
Configuring a Static Route 19-3
Add/Edit a Static Route 19-3
Configuring Static Route Tracking 19-6
Deleting Static Routes 19-6
Configuring a Default Static Route 19-7
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Limitations on Configuring a Default Static Route 19-7
Configuring IPv6 Default and Static Routes 19-8
Monitoring a Static or Default Route 19-8
Configuration Examples for Static or Default Routes 19-9
Feature History for Static and Default Routes 19-9
CHAPTER
20 Defining Route Maps 20-1
Route Maps Overview 20-1
Permit and Deny Clauses 20-2
Match and Set Clause Values 20-2
Licensing Requirements for Route Maps 20-3
Guidelines and Limitations 20-3
Defining a Route Map 20-4
Add/Edit a Route Map 20-4
Customizing a Route Map 20-5
Defining a Route to Match a Specific Destination Address 20-5
Configuring the Metric Values for a Route Action 20-6
Configuration Example for Route Maps 20-7
Feature History for Route Maps 20-7
CHAPTER
21 Configuring OSPF 21-1
Information About OSPF 21-1
Licensing Requirements for OSPF 21-3
Guidelines and Limitations 21-3
Configuring OSPF 21-3
Customizing OSPF 21-4
Redistributing Routes Into OSPF 21-5
Configuring Route Summarization When Redistributing Routes into OSPF 21-7
Add a Route Summary Address 21-7
Add/Edit OSPF Summary Address 21-8
Configuring Route Summarization Between OSPF Areas 21-8
Configuring OSPF Interface Parameters 21-9
Configuring OSPF Area Parameters 21-12
Configuring OSPF NSSA 21-13
Defining Static OSPF Neighbors 21-14
Configuring Route Calculation Timers 21-15
Logging Neighbors Going Up or Down 21-16
Configuring Filtering in OSPF 21-16
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Configuring a Virtual Link in OSPF 21-17
Restarting the OSPF Process 21-19
Configuration Example for OSPF 21-19
Monitoring OSPF 21-20
Feature History for OSPF 21-21
CHAPTER
22 Configuring RIP 22-1
Overview 22-1
Routing Update Process 22-2
RIP Routing Metric 22-2
RIP Stability Features 22-2
RIP Timers 22-2
Licensing Requirements for RIP 22-2
Guidelines and Limitations 22-3
Configuring RIP 22-3
Enabling RIP 22-4
Customizing RIP 22-5
Configure the RIP Version 22-5
Configuring Interfaces for RIP 22-6
Editing a RIP Interface 22-6
Configuring the RIP Send and Receive Version on an Interface 22-7
Configuring Route Summarization 22-8
Filtering Networks in RIP 22-9
Adding or Editing a Filter Rule 22-10
Redistributing Routes into the RIP Routing Process 22-10
Enabling RIP Authentication 22-11
Restarting the RIP Process 22-12
Monitoring RIP 22-12
Configuration Example for RIP 22-13
Feature History for RIP 22-13
CHAPTER
23 Configuring EIGRP 23-1
Overview 23-1
Licensing Requirements for EIGRP 23-2
Guidelines and Limitations 23-2
Task List to Configure an EIGRP Process 23-3
Configuring EIGRP 23-3
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Enabling EIGRP 23-4
Enabling EIGRP Stub Routing 23-5
Customizing EIGRP 23-6
Defining a Network for an EIGRP Routing Process 23-7
Configuring Interfaces for EIGRP 23-7
Configuring Passive Interfaces 23-8
Configuring the Summary Aggregate Addresses on Interfaces 23-9
Changing the Interface Delay Value 23-10
Enabling EIGRP Authentication on an Interface 23-10
Defining an EIGRP Neighbor 23-11
Redistributing Routes Into EIGRP 23-12
Filtering Networks in EIGRP 23-13
Customizing the EIGRP Hello Interval and Hold Time 23-15
Disabling Automatic Route Summarization 23-15
Configuring Default Information in EIGRP 23-16
Disabling EIGRP Split Horizon 23-17
Restarting the EIGRP Process 23-18
Monitoring EIGRP 23-18
Configuration Example for EIGRP 23-18
Feature History for EIGRP 23-20
CHAPTER
24 Configuring Multicast Routing 24-1
Information About Multicast Routing 24-1
Stub Multicast Routing 24-2
PIM Multicast Routing 24-2
Multicast Group Concept 24-2
Multicast Addresses 24-2
Licensing Requirements for Multicast Routing 24-2
Guidelines and Limitations 24-3
Enabling Multicast Routing 24-3
Customizing Multicast Routing 24-4
Configuring Stub Multicast Routing 24-4
Configuring a Static Multicast Route 24-4
Configuring IGMP Features 24-5
Disabling IGMP on an Interface 24-6
Configuring IGMP Group Membership 24-6
Configuring a Statically Joined IGMP Group 24-7
Controlling Access to Multicast Groups 24-8
Limiting the Number of IGMP States on an Interface 24-8
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Modifying the Query Messages to Multicast Groups 24-9
Changing the IGMP Version 24-9
Configuring PIM Features 24-10
Enabling and Disabling PIM on an Interface 24-10
Configuring a Static Rendezvous Point Address 24-11
Configuring the Designated Router Priority 24-12
Configuring and Filtering PIM Register Messages 24-12
Configuring PIM Message Intervals 24-13
Configuring a Route Tree 24-13
Configuring a Multicast Group 24-14
Filtering PIM Neighbors 24-14
Configuring a Bidirectional Neighbor Filter 24-15
Configuring a Multicast Boundary 24-16
Configuration Example for Multicast Routing 24-17
Additional References 24-18
Related Documents 24-19
RFCs 24-19
Feature History for Multicast Routing 24-19
CHAPTER
25 Configuring IPv6 Neighbor Discovery 25-1
Configuring Neighbor Solicitation Messages 25-1
Configuring the Neighbor Solicitation Message Interval 25-1
Information About Neighbor Solicitation Messages 25-2
Licensing Requirements for Neighbor Solicitation Messages 25-2
Guidelines and Limitations for the Neighbor Solicitation Message Interval 25-3
Default Settings for the Neighbor Solicitation Message Interval 25-3
Configuring the Neighbor Solicitation Message Interval 25-3
Feature History for the Neighbor Solicitation Message Interval 25-4
Configuring the Neighbor Reachable Time 25-4
Information About Neighbor Reachable Time 25-4
Licensing Requirements for Neighbor Reachable Time 25-4
Guidelines and Limitations for Neighbor Reachable Time 25-4
Default Settings for the Neighbor Reachable Time 25-5
Configuring Neighbor Reachable Time 25-5
Configuring DAD Settings 25-5
Configuring IPv6 Addresses on an Interface 25-6
Configuring IPv6 Prefixes on an Interface 25-7
Feature History for Neighbor Reachable Time 25-8
Configuring Router Advertisement Messages 25-8
Contents
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Cisco ASA 5500 Series Configuration Guide using ASDM
OL-20339-01
Information About Router Advertisement Messages 25-8
Configuring the Router Advertisement Transmission Interval 25-10
Licensing Requirements for Router Advertisement Transmission Interval 25-10
Guidelines and Limitations for the Router Advertisement Transmission Interval 25-10
Default Settings for Router Advertisement Transmission Interval 25-10
Configuring Router Advertisement Transmission Interval 25-11
Feature History for the Router Advertisement Transmission Interval 25-11
Configuring the Router Lifetime Value 25-12
Licensing Requirements for the Router Lifetime Value 25-12
Guidelines and Limitations for the Router Lifetime Value 25-12
Default Settings for the Router Lifetime Value 25-12
Configuring the Router Lifetime Value 25-13
Feature History for the Router Lifetime Value 25-13
Configuring the IPv6 Prefix 25-14
Licensing Requirements for IPv6 Prefixes 25-14
Guidelines and Limitations for IPv6 Prefixes 25-14
Default Settings for IPv6 Prefixes 25-15
Configuring IPv6 Prefixes 25-15
Suppressing Router Advertisement Messages 25-16
Licensing Requirements for Suppressing Router Advertisement Messages 25-16
Guidelines and Limitations for Suppressing Router Advertisement Messages 25-16
Default Settings for Suppressing Router Advertisement Messages 25-17
Suppressing Router Advertisement Messages 25-17
Feature History for Suppressing Router Advertisement Messages 25-17
Configuring a Static IPv6 Neighbor 25-18
Information About a Static IPv6 Neighbor 25-18
Licensing Requirements for Static IPv6 Neighbor 25-18
Guidelines and Limitations 25-18
Default Settings 25-18
Configuring a Static IPv6 Neighbor 25-19
Editing Static Neighbors 25-19
Deleting Static Neighbors 25-19
Feature History for Configuring a Static IPv6 Neighbor 25-20
PART
5 Configuring Network Address Translation
CHAPTER
26 Information About NAT 26-1
Why Use NAT? 26-1
NAT Terminology 26-2
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