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

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