Cisco IOS™ Software
- 1. © 1999, Cisco Systems, Inc. 6-1Rev 2.2 (Jun 99) Cisco IOS™ Software
- 2. © 1999, Cisco Systems, Inc. www.cisco.com AM-CPE-ENT—6-2 Cisco ProductsCisco Products Cisco IOSTMCisco IOSTM Network ManagementNetwork Management Course Road Map LAN Products • Wiring Closet Switches • Backbone Switches LAN Products • Wiring Closet Switches • Backbone Switches Access Products • LAN-to-LAN • Multiservice • Dial Access Servers Access Products • LAN-to-LAN • Multiservice • Dial Access Servers WAN Products • High-End Routers • WAN Switches WAN Products • High-End Routers • WAN Switches Rev 2.3 (Jul 99) IntroductionIntroduction Welcome & Introduction • Objectives • Road Map Welcome & Introduction • Objectives • Road Map
- 3. © 1999, Cisco Systems, Inc. www.cisco.com AM-CPE-ENT—6-3 Cisco IOS™ Chapter Objectives • List Cisco IOS Software features and benefits • Describe the nine building block services of Cisco IOS software • Match customer internetworking needs to Cisco IOS services • Explain how IOS features solve customer networking problems or needs
- 4. © 1999, Cisco Systems, Inc. www.cisco.com AM-CPE-ENT—6-4 Cisco Internetwork Operating System (IOS) • Provides a unified network infrastructure for optimized and end-to-end solutions • Reduces operations costs • Improves service manageability and consistency • Provides end-to-end integration for diverse technologies Cisco IOS is driven by: • Customer needs and ideas • Support for industry standards, and … Cisco IOS drives industry standards Cisco IOS Overview
- 5. © 1999, Cisco Systems, Inc. www.cisco.com AM-CPE-ENT—6-5 Transport: Not enough capacity Media: Too many collisions Problems Routing LAN switching Quality of Service Cisco IOS Solution Protocol: Too many broadcasts Cisco IOS Provides Integration
- 6. © 1999, Cisco Systems, Inc. www.cisco.com AM-CPE-ENT—6-6 Application Needs • Communication among devices • Security features • Remote management • User moves, adds, changes • Troubleshooting • Network debugging Network Services Connectivity Security Scalability Reliability IBM Multimedia Voice Quality of Service Management Clients Networks Servers Enabling Networked Applications
- 7. © 1999, Cisco Systems, Inc. www.cisco.com AM-CPE-ENT—6-7 Management Services Quality of ServiceReliability Services Voice ServicesScalability Services Multimedia ServicesSecurity Services IBM Services Enabling Services Connectivity Services Foundation Services Clients Networks Servers Cisco IOS Building Blocks
- 8. © 1999, Cisco Systems, Inc. www.cisco.com AM-CPE-ENT—6-8 Distributed Computing Autonomy Control Customer Networking Concerns Cisco IOS will be discussed in terms of customers’ internetworking concerns: • Reliability • Scalability • Security • Flexibility • Cost effectiveness • Manageability
- 9. © 1999, Cisco Systems, Inc. www.cisco.com AM-CPE-ENT—6-9 • No downtime • Continuous availability of applications,users, and systems The network works… no excuses Reliability: Customer Needs
- 10. © 1999, Cisco Systems, Inc. www.cisco.com AM-CPE-ENT—6-10 The network works… no excuses Reliability: Cisco IOS Solutions Resilient Hardware • Redundancy • High-system availability • Dual power supplies • Dual processors • Dual port interfaces Resilient Software • HSRP, SSRP • Deterministic load distribution • EIGRP, OSPF • Express Forwarding • Multichassis PPP • ISDN dial backup
- 11. © 1999, Cisco Systems, Inc. www.cisco.com AM-CPE-ENT—6-11 • Meet network growth: – More users – Higher bandwidth – New applications – New business paradigms • Simplify operations Scalability: Customer Needs
- 12. © 1999, Cisco Systems, Inc. www.cisco.com AM-CPE-ENT—6-12 • NetFlow switching, Tag switching • Network Address Translation (NAT) • Express Forwarding • Software-Based Compression • Simplified configuration • Investment protection and upgrade programs • Scalable platforms and connectivity options Scalability: Cisco IOS Solutions
- 13. © 1999, Cisco Systems, Inc. www.cisco.com AM-CPE-ENT—6-13 Secure transactions Hackers Security: Customer Needs • Secure intra- company and inter-company communications • Network intrusion • Masquerade safeguards • Access control • Data protection • Broad, scalable, robust solutions
- 14. © 1999, Cisco Systems, Inc. www.cisco.com AM-CPE-ENT—6-14 Cisco Secure (AAA) policy management/ monitoring Intrusion detection/ auditing Secure mobility Address translation Telecommuting access control SiSi Virtual Private Networks Encryption • Packet filters — Access control lists • Dynamic access control and authentication — Lock and key • Authentication — TACACS+, RADIUS • Access violation logging • Address translation, address hiding • Security firewalls—PIX • Encryption — Remote site to central site — Desktop to server Security: Cisco IOS Solutions
- 15. © 1999, Cisco Systems, Inc. www.cisco.com AM-CPE-ENT—6-15 Understand multiple protocols TCP/IP AppleTalk ISDN Frame RelayX.25 IPX/SPX PPPDECnet Banyan VINES Interconnect multiple media Ethernet Token Ring Private 19.2, 56, 64 kbps T1, E1, T3, E3 Circuit POTS, BRI, Sw 56, H0, T1,T3 Packet X.25, Frame Relay FDDI Flexibility: Customer Needs • Multiple protocols • Multiple topologies • New equipment • Quickly changing environments • New technologies
- 16. © 1999, Cisco Systems, Inc. www.cisco.com AM-CPE-ENT—6-16 IP AppleNovell DEC Flexibility: Solutions • Cisco IOS connectivity services • Multiprotocol routing • Support for all topologies • VLANs • Voice services • Modularity of Cisco IOS and hardware • Cisco maintains routing protocol leadership – Protocol Author for IGRP, BGP, EIGRP, PIM, Tag
- 17. © 1999, Cisco Systems, Inc. www.cisco.com AM-CPE-ENT—6-17 Layer 3 Layer 2 Cost Effectiveness: Needs • Lower WAN costs • Optimized price/port • Integration of legacy networks • Internal networking cost management • Bandwidth management for client/server applications
- 18. © 1999, Cisco Systems, Inc. www.cisco.com AM-CPE-ENT—6-18 • Quality of Service (QoS) advanced queuing • Compression (voice and data) • IP multicasting (end-to-end) Frame Relay Leased Lines DLSw Wireless Dial ISDN X.25 Cable xDSL ATM SMDS $$ • ISDN/PSTN/ASYNC— bandwidth on demand • Snapshot/on-demand routing • IBM Integration services Cost Effectiveness: IOS Solutions
- 19. © 1999, Cisco Systems, Inc. www.cisco.com AM-CPE-ENT—6-19 Manageability: Customer Needs • Lower cost-of-ownership –Reduction of dependence on network expertise –Products that are easy to use,and easy to install –Reduce training overhead –Simplify end-to-end management • Support for large scale deployment –Scalable products –Configuration and change management
- 20. © 1999, Cisco Systems, Inc. www.cisco.com AM-CPE-ENT—6-20 • Cisco IOS integration across technologies • Cisco IOS scalability across product families • Easy-to-use network management interfaces • Network management tools uniting product families – SNMP Agent – MIB structures – Diagnostics – RMON – HTTP – NetFlow – Security Home Office/Consumers Telecommuters Small Business PSTN Core IntranetEnterprise Cisco IOS Software Internet Manageability: IOS Solutions
- 21. © 1999, Cisco Systems, Inc. www.cisco.com AM-CPE-ENT—6-21 Cisco IOS™ Objectives Review • List Cisco IOS Software features and benefits • Describe the nine building block services of Cisco IOS software • Match customer internetworking needs to Cisco IOS services • Explain how IOS features solve customer networking problems or needs
Editor's Notes
- #4: Upon completing this chapter, you will be able to: List Cisco IOS Software features and benefits Describe the nine building block services of Cisco IOS software Match customer internetworking needs to Cisco IOS services Explain how IOS features solve customer networking problems or needs Practice exercises are an important tool to help achieve these objectives. The student exercise provided at the end of this chapter is described on the following graphic.
- #22: Having completed this chapter, you should be able to: List Cisco IOS Software features and benefits Describe the nine building block services of Cisco IOS software Match customer internetworking needs to Cisco IOS services Explain how IOS features solve customer networking problems or needs Practice exercises are an important tool to help achieve these objectives. The student exercise for this chapter begins with the following graphic.