Accessing the WAN

Accessing the WAN

© 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 1 Version 4.0 Services in a Converged WAN Accessing the WAN – Chapter 1 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 2 Objectives  Describe how the Cisco Enterprise Composite Model (ECNM) provides integrated services over an Enterprise network.  Describe the key WAN technology concepts.  Identify the appropriate WAN technologies to use when matching ECNM best practices with typical enterprise requirements for WAN communications. © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 3 Describe How ECNM Provides Integrated Services over an Enterprise Network  Explain the purpose and function of WANs © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 4 Describe How ECNM Provides Integrated Services over an Enterprise Network  Describe the stages of business growth, the corresponding business requirements for services and how those requirements are reflected in the Enterprise’s changing network topology © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 5 Describe How ECNM Provides Integrated Services over an Enterprise Network  Describe the problems with the Hierarchical Design Model that Cisco's Enterprise Composite Model has been designed to address © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 6 Describe How ECNM Provides Integrated Services over an Enterprise Network  Explain the purpose of Cisco Enterprise Architectures © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 7 Describe the Key WAN Technology Concepts  Describe WAN functions in terms of the OSI Reference Model © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 8 Describe the Key WAN Technology Concepts  Describe the key WAN physical layer concepts for network and Internet communications © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 9 Describe the Key WAN Technology Concepts  Describe the key WAN data link layer protocols used in today’s Enterprise WAN networks © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 10 Describe the Key WAN Technology Concepts  Describe the switching technologies used for WANs in an Enterprise setting [...]...Select the Appropriate WAN Technology to meet ECNM Requirements  List the various options for connecting subscribers to the WAN © 2006 Cisco Systems, Inc All rights reserved Cisco Public 11 Select the Appropriate WAN Technology to meet ECNM Requirements  Describe how Enterprises use leased line services to provide a WAN connection © 2006 Cisco Systems, Inc All rights reserved Cisco Public 12 Select the. .. Summary  Cisco Enterprise Architecture –This is an expansion of the hierarchical model that further divides the enterprise network into •Physical areas •Logical areas •Functional areas  Selecting the appropriate WAN technology requires considering some of the following: WAN s purpose –Geographic scope of WAN –Traffic requirements –If WAN uses a public or private infrastructure © 2006 Cisco Systems,... Appropriate WAN Technology to meet ECNM Requirements  Describe the circuit switching options available to provide a WAN connection © 2006 Cisco Systems, Inc All rights reserved Cisco Public 13 Select the Appropriate WAN Technology to meet ECNM Requirements  Describe the packet switching options available to provide a WAN connection © 2006 Cisco Systems, Inc All rights reserved Cisco Public 14 Select the. .. Cisco Public 14 Select the Appropriate WAN Technology to meet ECNM Requirements  List factors to consider when selecting a WAN connection © 2006 Cisco Systems, Inc All rights reserved Cisco Public 15 Summary  A WAN is defined as A data communications network that operates beyond the geographic scope of a LAN  WAN primarily operate on layer 1 & 2 of the OSI model  WAN technologies include –Leased line... verifying the PPP connection and troubleshooting encapsulation problems  Configure PPP authentication including explaining PAP and CHAP authentication protocols, configuring PPP authentication using PAP and CHAP, and troubleshooting PPP authentication problems © 2006 Cisco Systems, Inc All rights reserved Cisco Public 2 Describe the Fundamental Concepts of Point-to-Point Serial Communication  Describe the. .. Communication  Define the location of the demarcation point relative to customer and service provider networks © 2006 Cisco Systems, Inc All rights reserved Cisco Public 5 Describe the Fundamental Concepts of Point-to-Point Serial Communication  Explain the terms DTE and DCE with relative to the location of devices in a network © 2006 Cisco Systems, Inc All rights reserved Cisco Public 6 Describe the Fundamental... configuration options are communicated in the LCP frame © 2006 Cisco Systems, Inc All rights reserved Cisco Public 16 Configure PPP on a Serial Interface  Explain the purpose of the commands used to configure and verify PPP connections © 2006 Cisco Systems, Inc All rights reserved Cisco Public 17 Configure PPP on a Serial Interface  Explain the output of the show interfaces serial command © 2006... Systems, Inc All rights reserved Cisco Public 17 © 2006 Cisco Systems, Inc All rights reserved Cisco Public 18 Point-to-Point Protocol (PPP) Accessing the WAN – Chapter 2 Version 4.0 © 2006 Cisco Systems, Inc All rights reserved Cisco Public 1 Objectives  Describe the fundamental concepts of point-to-point serial communication including TDM, demarcation point, DTE-DCE functions, HDLC encapsulation, and... Concepts  Describe PPP in terms of its use in WAN links © 2006 Cisco Systems, Inc All rights reserved Cisco Public 10 Describe Point-to-Point Concepts  Describe the general function of each layer of PPP architecture © 2006 Cisco Systems, Inc All rights reserved Cisco Public 11 Describe Point-to-Point Concepts  Describe the purpose and format of each of the fields in a PPP frame © 2006 Cisco Systems,... Cisco Public 12 Describe Point-to-Point Concepts  Define the three phases of PPP session establishment © 2006 Cisco Systems, Inc All rights reserved Cisco Public 13 Describe Point-to-Point Concepts  Explain the role of the LCP in PPP © 2006 Cisco Systems, Inc All rights reserved Cisco Public 14 Describe Point-to-Point Concepts  Describe the characteristics of NCP © 2006 Cisco Systems, Inc All rights . Version 4.0 Services in a Converged WAN Accessing the WAN – Chapter 1 © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 2 Objectives  Describe how the Cisco Enterprise Composite Model. network.  Describe the key WAN technology concepts.  Identify the appropriate WAN technologies to use when matching ECNM best practices with typical enterprise requirements for WAN communications functions in terms of the OSI Reference Model © 2006 Cisco Systems, Inc. All rights reserved. Cisco Public 8 Describe the Key WAN Technology Concepts  Describe the key WAN physical layer