Cisco IOS AppleTalk Configuration Guide Release 12.4 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 Customer Order Number: DOC-7817505= Text Part Number: 78-17505-01 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 INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY. 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CONTENTS About Cisco IOS Software Documentation for Release 12.4 vii Documentation Objectives vii Audience vii Documentation Organization for Cisco IOS Release 12.4 viii Document Conventions xiv Obtaining Documentation xv Cisco.com xv Product Documentation DVD xvi Ordering Documentation xvi Documentation Feedback xvi Cisco Product Security Overview xvii Reporting Security Problems in Cisco Products xvii Obtaining Technical Assistance xviii Cisco Technical Support & Documentation Website xviii Submitting a Service Request xviii Definitions of Service Request Severity xix Obtaining Additional Publications and Information xix Using Cisco IOS Software for Release 12.4 xxi Understanding Command Modes xxi Getting Help xxii Example: How to Find Command Options xxiii Using the no and default Forms of Commands xxvi Saving Configuration Changes xxvi Filtering Output from the show and more Commands xxvii Finding Additional Feature Support Information xxvii AppleTalk Overview 1 AppleTalk 1 Background on AppleTalk 1 The Cisco Implementation of AppleTalk 2 Media Support 2 Standard AppleTalk Services 2 Enhancements to Standard AppleTalk Services 3 Cisco IOS AppleTalk Configuration Guide iii Contents Security 3 Configuring AppleTalk 5 AppleTalk Phases 5 AppleTalk Phase 1 5 AppleTalk Phase 2 5 Types of AppleTalk Phase 2 Networks 6 AppleTalk Addresses 7 Network Numbers 7 Node Numbers 8 AppleTalk Address Example 8 AppleTalk Zones 8 Configuration Guidelines and Compatibility Rules 8 AppleTalk Configuration Task List 9 Configuring AppleTalk Routing 9 Enabling AppleTalk Routing 10 Configuring an Interface for AppleTalk 10 Selecting an AppleTalk Routing Protocol 13 Configuring Transition Mode 13 Enabling Concurrent Routing and Bridging 14 Configuring Integrated Routing and Bridging 14 Controlling Access to AppleTalk Networks 14 Types of Access Lists 14 Types of Filters 16 Implementation Considerations 16 Controlling Access to AppleTalk Networks Task List 17 Creating Access Lists 17 Creating Filters 19 Configuring the Name Display Facility 23 Setting Up Special Configurations 23 Configuring Free-Trade Zones 24 Configuring SNMP over DDP in AppleTalk Networks 24 Configuring AppleTalk Tunneling 25 Configuring AppleTalk MacIP 28 Configuring AppleTalk MacIP Task List 29 Configuring IPTalk 31 Configuring AppleTalk Control Protocol for PPP 34 Tuning AppleTalk Network Performance 34 Controlling Routing Updates 35 Assigning Proxy Network Numbers 37 Cisco IOS AppleTalk Configuration Guide iv Contents Enabling Round-Robin Load Sharing 37 Disabling Checksum Generation and Verification 38 Controlling the AppleTalk ARP Table 38 Controlling the Delay Between ZIP Queries 39 Logging Significant Network Events 39 Disabling Fast Switching 39 Configuring AppleTalk Interenterprise Routing 40 Understanding AppleTalk Domains 40 Understanding Domain Routers 40 AppleTalk Interenterprise Routing Features 40 Redundant Paths Between Domains 41 AppleTalk Interenterprise Routing Task List 41 Configuring AppleTalk over WANs 43 AppleTalk over DDR 43 AppleTalk over X.25 44 Configuring AppleTalk Between LANs 44 Configuring AppleTalk Between VLANs 44 Monitoring and Maintaining the AppleTalk Network 45 Monitoring and Maintaining the AppleTalk Network Using Cisco IOS Software Commands 45 Monitoring the AppleTalk Network Using Network Monitoring Packages 46 AppleTalk Configuration Examples 47 Extended AppleTalk Network Example 47 Nonextended AppleTalk Network Example 48 Nonextended Network in Discovery Mode Example 48 AppleTalk Access List Examples 49 Defining an Access List to Filter Data Packets Example 49 Defining an Access List to Filter Incoming Routing Table Updates Example 50 Comparison of Alternative Segmentation Solutions 51 Defining an Access List to Filter NBP Packets Example 52 Configuring Partial Zone Advertisement Example 54 Transition Mode Example 55 Hiding and Sharing Resources with Access List Examples 56 Establishing a Free-Trade Zone Example 56 Restricting Resource Availability Example 57 GZL and ZIP Reply Filter Examples 59 AppleTalk Interenterprise Routing over AURP Example 60 SNMP Example 60 MacIP Examples 61 IPTalk Example 61 AppleTalk Control Protocol Example 64 Cisco IOS AppleTalk Configuration Guide v Contents Proxy Network Number Example 64 AppleTalk Interenterprise Routing Example 65 AppleTalk over DDR Example 65 AppleTalk Control Protocol for PPP Example 66 Cisco IOS AppleTalk Configuration Guide vi About Cisco IOS Software Documentation for Release 12.4 This chapter describes the objectives, audience, organization, and conventions of Cisco IOS software documentation. It also provides sources for obtaining documentation, technical assistance, and additional publications and information from Cisco Systems. It contains the following sections: • Documentation Objectives, page vii • Audience, page vii • Documentation Organization for Cisco IOS Release 12.4, page viii • Document Conventions, page xiv • Obtaining Documentation, page xv • Documentation Feedback, page xvi • Cisco Product Security Overview, page xvii • Obtaining Technical Assistance, page xviii • Obtaining Additional Publications and Information, page xix Documentation Objectives Cisco IOS software documentation describes the tasks and commands available to configure and maintain Cisco networking devices. Audience The Cisco IOS software documentation set is intended primarily for users who configure and maintain Cisco networking devices (such as routers and switches) but who may not be familiar with the configuration and maintenance tasks, the relationship among tasks, or the Cisco IOS software commands necessary to perform particular tasks. The Cisco IOS software documentation set is also intended for those users experienced with Cisco IOS software who need to know about new features, new configuration options, and new software characteristics in the current Cisco IOS software release. Cisco IOS AppleTalk Configuration Guide vii About Cisco IOS Software Documentation