© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE I Chapter 6 1 Exploring the Enterprise Network Infrastructure Introducing Routing and Switching in the Enterprise – Chapter 2

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 2 Objectives  Interpret network documentation. –Describe the equipment in the enterprise Network Operations Center.  Explain the importance of the enterprise edge in the provisioning of services. –Describe the Point-of-Presence for service delivery. –Identify security considerations and equipment at the enterprise edge.  Identify router and switch hardware characteristics and use router CLI configuration and verification commands.

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 3 Interpret Network Documentation  Network infrastructure diagrams  Physical topology map  Logical topology map  Control plane information: failure domains

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 4 Interpret Network Documentation  Floor plans and blueprints  Redlining shows changes  As-built diagram documents changes from original plans

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 5 Interpret Network Documentation  Business Continuity Plan  Business Security Plan  Network Maintenance Plan  Service Level Agreement

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 6 Describe the Equipment in the Enterprise NOC  Raised floors  High performance UPS and HVAC  Fire suppression systems  Network monitoring equipment  MDF switches and routers

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 7 Describe the Equipment in the Enterprise NOC  Server farm  Data storage  Storage Area Network (SAN)

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 8 Interpret Network Documentation  Structured cabling standards  Main Distribution Facility (MDF)  Telecommunications room  Intermediate Distribution Facility (IDF)

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 9 Explain the Importance of the Enterprise Edge in the Provisioning of Services  Point-of-Presence (POP)  Demarc  Links to outside services and sites

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 10 Explain the Importance of the Enterprise Edge in the Provisioning of Services  Security considerations at the enterprise edge –Denial of Service (DoS) attacks –Application of filtering policies  Firewall  Demilitarized zone  Intrusion detection and prevention

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 11 Explain the Importance of the Enterprise Edge in the Provisioning of Services  Connection services  WAN punchdown block  Channel Service Unit/Data Service Unit (CSU/DSU)  Customer Premises Equipment (CPE)

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 12 Identify Router Hardware Characteristics  Router functions  Form factors  Interfaces  Management options

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 13  General use  Routing related  Interface related  Connectivity related Use Router CLI Show Commands

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 14 Use Basic Router Configuration Commands  Configuration management  Global settings  Line settings  Interface settings  Routing settings

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 15 Identify Switch Hardware Characteristics  Switch functions  Form factors  Port density

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 16 Use Switch CLI Show Commands  General use  Interface/port related  Connectivity related

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 17 Use Switch CLI Configuration Commands  Configuration management  Global settings  Interface settings

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 18 Summary  Network infrastructure diagrams document devices in a network  The enterprise NOC manages and monitors all network resources  The enterprise edge provides Internet and local access services and security against attacks  Access Layer switches provide end user connections, security services, and microsegmentation of collision domains  Distribution Layer routers control broadcasts and move packets between locations and the Internet

© 2006 Cisco Systems, Inc. All rights reserved.Cisco PublicITE 1 Chapter 6 19