CCNA - Introdução a redes para certificação 640-802 // CISCO
Cisco Certified Network Associate CCNA 640-802 Access the WAN
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Transcript of Cisco Certified Network Associate CCNA 640-802 Access the WAN
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE I Chapter 6 1
Cisco Certified Network Associate
CCNA 640-802Access the WAN
Asst.Prof. It-arun [email protected]
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 2
Agenda
Services in a Converged WAN Point-to-Point Protocol Frame Relay Enterprise Network Security Access Control Lists Providing Teleworker Services Implementing IP Addressing Services
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 3
SERVICES IN A CONVERGED WAN
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 4
Describe How ECNM Provides Integrated Services over an Enterprise Network Explain the purpose and function of WANs
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 5
Modules in the Enterprise Architecture
The Cisco Enterprise Architecture consists of modules representing focused views that target each place in the network. Each module has a distinct network infrastructure with services and network applications that extend across the modules.
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 6
Example topology
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 7
Describe the Key WAN Technology Concepts Describe WAN functions in terms of the OSI Reference
Model
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 8
Describe the Key WAN Technology Concepts Describe the key WAN data link layer protocols used in
today’s Enterprise WAN networks
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 9
Select the Appropriate WAN Technology to meet ECNM Requirements
List the various options for connecting subscribers to the WAN
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 10
SERIAL POINT TO POINT LINKS POINT-TO-POINT PROTOCOL (PPP)
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 11
DTE and DCE
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 12
HLDC Frame Format
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 14
Describe Point-to-Point Concepts Describe PPP in terms of its use in WAN links
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 15
PPP architecture
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 16
PPP Configuration Options
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 17
FRAME RELAY
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 18
Describe the Fundamental Concepts of Frame Relay Technology Describe how Frame Relay is used to provide WAN
services to the Enterprise
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 19
Describe the Fundamental Concepts of Frame Relay Technology Describe how Frame Relay uses virtual circuits to carry
packets from one DTE to another
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 20
Describe the Fundamental Concepts of Frame Relay Technology Describe the types of topologies that are used for
implementing Frame Relay in different environments
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 21
Describe the Fundamental Concepts of Frame Relay Technology Describe how a router attached to a Frame Relay
network uses LMI status messages and inverse ARP queries to map VCs to layer 3 network IP Addresses
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 22
Configure a Basic Frame Relay PVC Configure a basic Frame Relay PVC on a router serial
interface
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 23
Configure a Basic Frame Relay PVC Configure a static Frame Relay map
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 24
Describe Advanced Concepts of Frame Relay Technology Explain the reachability issues associated with the
Frame Relay NBMA topology
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 25
Describe Advanced Concepts of Frame Relay Technology Describe how to implement bandwidth control in the
Frame Relay technology
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 26
Configure an Advanced Frame Relay PVC Explain the steps to configure point-to-point
subinterfaces on a physical interface
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 27
ACCESS CONTROL LISTS
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 28
Explain How ACLs are Used to Secure a Medium-Size Enterprise Branch Office Network Explain how a packet filter allows or blocks traffic
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 29
Explain How ACLs are Used to Secure a Medium-Size Enterprise Branch Office Network Use a flow chart to show how ACLs operate
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 30
Configure Standard ACLs in a Medium-Size Enterprise Branch Office Network Explain how to configure a standard ACL
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 31
Configure Extended ACLs in a Medium-Size Enterprise Branch Office Network Describe how to configure extended ACLs
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 32
Configure Standard ACLs in a Medium-Size Enterprise Branch Office Network Describe how to use wildcard masks with ACLs
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 33
Explain How ACLs are Used to Secure a Medium-Size Enterprise Branch Office Network Describe where ACLs should be placed in a network
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 34
Configure Extended ACLs in a Medium-Size Enterprise Branch Office Network Describe how to apply an extended ACL to an interface
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 35
Configure Standard ACLs in a Medium-Size Enterprise Branch Office Network Explain how to create a named ACL
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 36
IMPLEMENTING IP ADDRESSING SERVICES
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 37
Configure DHCP in an Enterprise Branch Network Describe the function of DHCP in a network
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 38
Configure DHCP in an Enterprise Branch Network Describe how DHCP dynamically assigns an IP address
to a client
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 39
Configure DHCP in an Enterprise Branch Network Describe how to configure a DHCP server
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 40
Configure DHCP in an Enterprise Branch Network Explain how DHCP Relay can be used to configure a
router to relay DHCP messages when the server and the client are not on the same segment
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 41
Configure NAT on a Cisco Router Describe the operation and benefits of using private
and public IP addressing
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 42
Configure NAT on a Cisco Router Explain the key features of NAT and NAT overload
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 43
Configure NAT on a Cisco Router Explain the advantages and disadvantages of NAT
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 44
Configure New Generation RIP (RIPng) to use IPv6 Describe the format of the IPv6 addresses and the
appropriate methods for abbreviating them
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 45
Configure New Generation RIP (RIPng) to use IPv6 Explain the various methods of assigning IPv6
addresses to a device
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 46
Configure New Generation RIP (RIPng) to use IPv6 Describe the transition strategies for implementing IPv6
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 47
Configure New Generation RIP (RIPng) to use IPv6 Describe how Cisco IOS dual stack enables IPv6 to run
concurrently with IPv4 in a network
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 48
Configure New Generation RIP (RIPng) to use IPv6 Describe the concept of IPv6 tunneling
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 49
Configure New Generation RIP (RIPng) to use IPv6 Describe how IPv6 affects common routing protocols,
and how these protocols are modified to support IPv6
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 50
Configure New Generation RIP (RIPng) to use IPv6 Explain how to configure a router to use IPv6
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 51
Configure New Generation RIP (RIPng) to use IPv6 Explain how to configure and verify RIPng for IPv6
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 52
Configure New Generation RIP (RIPng) to use IPv6 Explain how to verify and troubleshoot IPv6
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© 2006 Cisco Systems, Inc. All rights reserved. Cisco PublicITE 1 Chapter 6 53