Download presentation
Presentation is loading. Please wait.
Published byMatthew Grapes Modified over 10 years ago
1
© 2007 Cisco Systems, Inc. All rights reserved.Cisco Public 1 EN0129 PC AND NETWORK TECHNOLOGY I NETWORK LAYER AND IP Derived From CCNA Network Fundamentals – Chapter 5
2
2 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Network Layer Protocols and Internet Protocol (IP) The basic role of the Network Layer in data networks
3
3 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Network Layer Protocols and Internet Protocol (IP) The basic characteristics and the role of the IPv4 protocol
4
4 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Network Layer Protocols and Internet Protocol (IP) The implications for the use of the IP protocol as it is connectionless
5
5 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Network Layer Protocols and Internet Protocol (IP) The implications for the use of the IP protocol as it is considered an unreliable protocol
6
6 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Network Layer Protocols and Internet Protocol (IP) The implications for the use of the IP as it is media independent
7
7 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Network Layer Protocols and Internet Protocol (IP) The role of framing in the Transport Layer and that segments are encapsulated as packets
8
8 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Network Layer Protocols and Internet Protocol (IP) The major header fields in the IPv4 protocol and each field's role in transporting packets
9
9 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Grouping Devices into Networks and Hierarchical Addressing Different reasons for grouping devices into sub- networks and several terms are used to identify the sub-networks
10
10 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Grouping Devices into Networks and Hierarchical Addressing Several ways in which dividing a large network can increase network performance
11
11 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Grouping Devices into Networks and Hierarchical Addressing Several ways in which dividing a large network can increase network security
12
12 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Grouping Devices into Networks and Hierarchical Addressing The communication problems that emerge when very large numbers of devices are included in one large network
13
13 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Grouping Devices into Networks and Hierarchical Addressing How hierarchical addressing solves the problem of devices communicating across networks of networks
14
14 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Grouping Devices into Networks and Hierarchical Addressing The purpose of further subdividing networks into smaller networks
15
15 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Fundamentals of Routes, Next Hop Addresses and Packet Forwarding The role of an intermediary gateway device in allowing devices to communicate across sub-divided networks
16
16 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Fundamentals of Routes, Next Hop Addresses and Packet Forwarding Trace the steps of an IP packet as it traverses unchanged via routers from sub network to sub-network
17
17 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Fundamentals of Routes, Next Hop Addresses and Packet Forwarding The role of a gateway and the use of a simple route table in directing packets toward their ultimate destinations
18
18 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Fundamentals of Routes, Next Hop Addresses and Packet Forwarding A route and its three key parts
19
19 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Fundamentals of Routes, Next Hop Addresses and Packet Forwarding The purpose and use of the destination network in a route
20
20 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Fundamentals of Routes, Next Hop Addresses and Packet Forwarding The purpose and use of the next hop in a route
21
21 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Fundamentals of Routes, Next Hop Addresses and Packet Forwarding Trace the steps of several IP packets as they are routed through several gateways from devices on one sub network to devices on other sub networks
22
22 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Fundamentals of Routes, Next Hop Addresses and Packet Forwarding The purpose of routing protocols and the need for both static and dynamic routes
23
23 © 2007 Cisco Systems, Inc. All rights reserved.Cisco Public Fundamentals of Routes, Next Hop Addresses and Packet Forwarding How routes are manually configured to build routing table
Similar presentations
© 2024 SlidePlayer.com. Inc.
All rights reserved.