Has a local IP address in the same address range as other hosts on the network. Explain how devices route traffic in a small to medium-sized business network. The Flash also stores other system files. Sender doesn’t know if the receiver is listening or the message arrived on time.

Explain how a host device uses routing tables to direct packets to itself, a local destination, or a default gateway. L – Identifies that this is a local interface. Ethernet is very common on different router models. This is the IPv4 address of the interface on the router. The router routing table also has information on: how the route was learned, its trustworthiness and rating. A data-link protocol specifies the structure of the frame, as well as a channel access protocol that specifies the rules by which a … CHAPTER 1 Preface This is the current draft of the second edition of the Computer Networking : Principles, Protocols and Practice. show ip interface – Displays the IPv4 statistics for all interfaces on a router. Internet Protocol (IP) and Internet Packet Exchange (IPX) are examples of Network layer protocols.

Traditional Internet routers operate at the Network layer by examining Layer Protocol = Upper layer protocol such as TCP, Destination IP Address = destination of packet.

��H�%��Ha�]��Xl. A majority of the internet uses a protocol suite called the Internet Protocol Suite also known as the TCP/IP protocol suite. Explain how network layer protocols and services support communications across data networks. 3 0 obj C – Identifies a directly-connected network, automatically created when an interface is configured with an IP address and activated. ���lÒ-V����˲\�I��Hw�Y )ʉ� �Y064S�W�׈2�y����T�e�"�X�e��G�*b�U@�N��u��W������ ���C�*��8/ݤ��s�oi��Pi� HR-�N��%�U���t!v�f��n��A.�T&�J�d��*W&=��ȓ���gnLf��ϝ� ����GI��y� k�?���n��`��F"��̵����T,"�N#}Lh��j��bX���&Έ�d�w����>��+��- ������!�ȓU�s3��HV��g���2��/�"5�jB�4��t��.��N�D�xJ��MeD � ���%��L��%6��x�$�K�&bJ�xKI �C��i*G�GN ��Pr�'�#/��,�lfչƷ͒U�P�-,�(��X���`��H!

Network layer! IP can travel over different types of media. Use the ip default-gateway command to configure the default gateway for a switch. x��X]o7}_i��g����B*�VT�ZH�ԇh �$�6��{|�뱗�*�l�\_�o��D��*?>}u�♘�O�����ILrJ���V�yf�b����H�`]�3T�w��֋�U�IOv�6}x����݈�΄h��������ե�n�}~���ް��Vh�s�P���%],%�Oۂ�A f�Y&i�6Q�F�(a��r�R�*�NN�y�99{Rf���^*����n���4���a�6���$��PV����(}���������Ң�jN�f�̂j^,���N��X%a��f�S#�Y�a:9����m7W�iJ3-�}�%� ����nY���̈́� � w�zY�\�Kޙ�U͖^©�%�&5�C-�dH�YY�̵�0o�+��o�sQ��(��1B�Ť.VT3bu�����.�ײ\"�}+��&v=9�C[z�\Ccʌ�Z�R +"f�5�'�S Describe the purpose of the network layer in data communication. Perform the POST and load the bootstrap program. Explain the role of the major header fields in the IPv4 and IPv6 packet. "�&�>��4p�|��m�Bks�����d��y&w�,kjj�Y YM�[�]��TN� IP (Internet Protocol) does most of the work in the TCP/IP protocol suite. • on receiving side, delivers segments to transport layer! • Explain the role of the major header fields in the IPv4 packet. Describe the common components and interfaces of a router. Configure two active interfaces on a Cisco IOS router. 6.1 Network Layer Protocols. <>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI] >>/MediaBox[ 0 0 720 405] /Contents 4 0 R/Group<>/Tabs/S/StructParents 0>> Cisco routers use IOS as their operating system. 6.2 Routing. Modules 1 – 3: Basic Network Connectivity and Communications Exam Answers, Modules 4 – 7: Ethernet Concepts Exam Answers, Modules 8 – 10: Communicating Between Networks Exam Answers, Modules 11 – 13: IP Addressing Exam Answers, Modules 14 – 15: Network Application Communications Exam Answers, Modules 16 – 17: Building and Securing a Small Network Exam Answers, Modules 1 – 4: Switching Concepts, VLANs, and InterVLAN Routing Exam Answers, Modules 5 – 6: Redundant Networks Exam Answers, Modules 7 – 9: Available and Reliable Networks Exam Answers, Modules 10 – 13: L2 Security and WLANs Exam Answers, Modules 14 – 16: Routing Concepts and Configuration Exam Answers, Modules 1 – 2: OSPF Concepts and Configuration Exam Answers, Modules 3 – 5: Network Security Exam Answers, Modules 9 – 12: Optimize, Monitor, and Troubleshoot Networks Exam Answers, Modules 13 – 14: Emerging Network Technologies Exam Answers, Modules 18 – 20: Network Defense Group Exam (Answers), CCIE/CCNP 350-401 ENCOR Dumps Full Questions with VCE & PDF. This suite is a combination of protocols which encompasses a number of different protocols for different purpose and need. All protocols and applications within the TCP/IP suite run on top of IP and utilize it for logical Network layer addressing and transmission of datagrams between internet hosts.

Remote routes contain the address of the intermediate network device to be used to reach the destination. Configure a router with basic configurations. This address is technically called the media access control address (MAC) because it is found on the MAC sub layer of the Data Link layer. Devices on remote networks are reached through gateway. endobj
stream PPP enables the simultaneous use of multiple network layer protocols. 1 0 obj <> Almost all link-layer protocols encapsulate each network-layer datagram within a network-layer datagram is inserted, and a number of header fields.

• network layer protocols in every host, router! 2 0 obj Use the netstat –r command to display the. show interfaces – Displays statistics for all interfaces on the device. The method that PPP uses to carry network traffi c is to open a link with a short exchange of frames. Routers contain RAM, ROM, NVRAM and Flash memory. Use the show ip route command to display the routing table on a Cisco router. Enter the interface sub-configuration mode. Explain the role of the major header fields in the IPv4 and IPv6 packet. • transport segment from sending to receiving host ! If a switch is to be managed via its VTY lines, it needs a default gateway. • The network interface card address, called the hardware address, is protocol-independent and is usually assigned at the factory. Hosts will use the default gateway when sending packets to remote networks. • on sending side encapsulates segments into datagrams! show ip route – Displays the contents of the IPv4 routing table stored in RAM. The Network layer typically provides information about which Transport layer protocol is being used, as well as local checksums to ensure data integrity. Describe the boot-up process of a Cisco IOS router. The first edition of this ebook has been written byOlivier Bonaventure.Laurent Vanbever,Virginie Van den Different models ship with different ports. Identification, Flags, Fragment Offset fields, Enhanced high-speed WAN interface card (eHWIC). Configure initial settings on a Cisco IOS router.

• router examines header fields in all IP datagrams passing through it!!! <>>> A common NCP is Internet Protocol Control Protocol (IPCP). It also contains which interface to use to reach that specifc destination. Describe the purpose of the network layer in data communication. Flow Label = same flow will receive same handling. Locate and load the startup configuration file or enter setup mode. Devices on directly connected networks can be reached directly. The main difference is that routers have more interfaces while hosts often have only one.

A default gateway is required for remote network communication. Flow Label field makes it more efficient. Explain why the IPv4 protocol requires other layers to provide reliability. Segments are encapsulated into IP packets for transmission. Add a description to the Interface (optional), Activate the interface with a no shutdown command.

The network layer adds a header so packets can be routed to the destination. Explain why the IPv4 protocol requires other layers to provide reliability. IOS image file, stored in the Flash, contains the IOS. endobj Routers have may ports to support connections. Remote destinations can’t be reached directly. • Explain why the IPv4 protocol requires other layers to provide reliability. 2 Data Link MAC Address Hardware Address= 00-0C-F1-5E-BE-F2 It provides information on the amounts of memory installed, what IOS images was loaded during boot and more. Configure devices to use the default gateway. <> IP maps to the Internet layer of the DoD and to the Network layer of the OSI models.

The NVRAM stores configuration parameters. application! %���� Compare a host routing table to a routing table in a router. endobj 6.1 Network Layer Protocols • Explain how network layer protocols and services support communications across data networks • Describe the purpose of the network layer in data communication.

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