Network Layer

... multicast routing Network Layer 4-1 1Network layer connection and connection-less service❒datagram network provides network- layer connectionless service❒VC network provides network- layer connection ... and K.W. Ross, All Rights Reserved Network Layer 4-2Chapter 4: Network LayerChapter goals: ❒understand principles behind network layer services: network layer...

Ngày tải lên: 12/09/2012, 15:06

... Administrative network link towards the external router: 1F-7A-90-02-5F-4G 7- Engineers network link: 2B-14-62-91-C9-B1- Engineers network link towards the external router: 2B-14-62-3F-39-21- Commercial network ... It is supposed that 2 IP sub -network share physically the same LAN. The stations on eachsub -network then will see circulating all the packets diffused on the physic ne...

Ngày tải lên: 17/09/2012, 09:13

... corrupt packets. • Since protocols at other layers can manage reliability, IP is allowed to function very efficiently at the Network layer. Network Layer Fields Học viện mạng Bách khoa - Website: ... the control communication between the Data Link layer and the Network layer is the establishment of a maximum size for the packet. Network Layer Fields Học viện mạng Bác...

Ngày tải lên: 22/12/2013, 13:17

... 19.5 19.19 Figure 19.3 A block of 16 addresses granted to a small organization 19.1 Chapter 19 Network Layer: Logical Addressing Copyright © The McGraw-Hill Companies, Inc. Permission required for ... or a router) to the Internet. Address Space Notations Classful Addressing Classless Addressing Network Address Translation (NAT) Topics discussed in this section: Topics discussed in this...

Ngày tải lên: 06/03/2014, 12:20

... INTERNETWORKING 20-1 INTERNETWORKING In this section, we discuss internetworking, connecting In this section, we discuss internetworking, connecting networks together to make an internetwork ... internetwork or an networks together to make an internetwork or an internet. internet. Need for Network Layer Internet as a Datagram Network Internet as a Connectionless Network Topics d...

Ngày tải lên: 06/03/2014, 12:20

... of data field for the error messages 21.19 Figure 21.11 Redirection concept 21.1 Chapter 21 Network Layer: Address Mapping, Error Reporting, and Multicasting Copyright © The McGraw-Hill Companies, ... 21.10 Figure 21.6 Proxy ARP 21.11 Figure 21.7 BOOTP client and server on the same and different networks 21.12 DHCP provides static and dynamic address allocation that can be manual or aut...

Ngày tải lên: 06/03/2014, 12:20

... DELIVERY The network layer supervises the handling of the The network layer supervises the handling of the packets by the underlying physical networks. We packets by the underlying physical networks. ... not match the corresponding network address. 2. The second mask (/25) is applied to the destination address. The result is 201.4.22.0, which does not match the corresponding n...

Ngày tải lên: 06/03/2014, 12:20

... 6 High Availability Campus Network Design— Routed Access Layer using EIGRP or OSPF OL-9011-01 Routing in the Access In both the traditional Layer 2 and the Layer 3 routed access design, each ... 4.) 7 High Availability Campus Network Design— Routed Access Layer using EIGRP or OSPF OL-9011-01 Campus Routing Design Figure 4 Comparison of Layer 2 and Layer 3 Convergence Alt...

Ngày tải lên: 24/01/2014, 10:20

... seven -layer model to Information Security Layer Six- Presentation Layer The Presentation Layer deals with the organization of data passed from the application layer into the network. This layer ... Author retains full rights. Page 9 Applying the OSI seven -layer model to Information Security Layer Three - Network Layer The Network layer is concerned with the global top...

Ngày tải lên: 05/03/2014, 21:20

... strate- gy can be erected. Layered Network Security: A best-practices approach 10 of 10 StillSecure TM © 2003, Latis Networks, Inc. All rights reserved. LAYERED NETWORK SECURITY: A best-practices ... entering your network. Standard IDS and IPS network configurations are show in Figure 3. Layered Network Security: A best-practices approach 4 of 10 StillSecure TM © 2003 Latis Network...

Ngày tải lên: 14/03/2014, 22:20