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Router and Routing Basics - Access Control List
ACLs are lists of conditions that are applied to traffic traveling across a router's interface. These lists tell the router what types of packets to accept or deny. Acceptance and denial can be based on specified conditions. ACLs enable management of traffic and secure access to and from a network. ACLs can be created for all routed network protocols, such as Internet Protocol (IP) and Internetwork Packet Exchange (IPX). ACLs can be...
47 p dtu 18/12/2012 215 1
Từ khóa: Access Control List, Routing Basics, Networking basics, mạng cơ bản, kỹ thuật mạng, công nghệ mạng, Cisco Networking
Switching Basics and Intermediate Routing
Redundant topologies eliminate single points of failure. If a path or device fails, the redundant path or device can take over the tasks of the failed path or device. A redundant switched topology may cause broadcast storms, multiple frame copies, and MAC address table instability problems.
22 p dtu 18/12/2012 211 1
Từ khóa: Intermediate Routing, Switching Basics, Networking basics, mạng cơ bản, kỹ thuật mạng, công nghệ mạng, Cisco Networking
Switching Basics and Intermediate Routing - VIRTUAL LANs
VLANs logically segment switched networks based on the functions, project teams, or applications of the organization regardless of the physical location or connections to the network. All workstations and servers used by a particular workgroup share the same VLAN, regardless of the physical connection or location. Configuration or reconfiguration of VLANs is done through software. Physically connecting or moving cables and equipment is...
26 p dtu 18/12/2012 216 1
Từ khóa: Intermediate Routing, Switching Basics, VIRTUAL LANs, Networking basics, mạng cơ bản, kỹ thuật mạng, công nghệ mạng, Cisco Networking
Router and Routing Basics - INTRODUCTION TO ROUTERS
The startup process of the router normally loads into RAM and executes one of these operating environments. The configuration register setting can be used by the system administrator to control the default start up mode for the router. The ROM monitor performs the bootstrap process and provides low-level functionality and diagnostics. It is used to recover from system failures and to recover a lost password. The ROM monitor cannot be accessed...
22 p dtu 18/12/2012 187 1
Từ khóa: Routing Basics, network interfaces, Networking basics, mạng cơ bản, kỹ thuật mạng, công nghệ mạng, Cisco Networking
Router and Routing Basics - TCP/IP Suite Error
IP is an unreliable method for delivery of network data. It is known as a best effort delivery mechanism. It has no built-in processes to ensure that data is delivered in the event that problems exist with network communication. If an intermediary device such as a router fails, or if a destination device is disconnected from the network, data cannot be delivered. Additionally, nothing in its basic design allows IP to notify the sender that a...
28 p dtu 18/12/2012 206 1
Từ khóa: Routing Basics, TCP/IP Suite Error, Networking basics, mạng cơ bản, kỹ thuật mạng, công nghệ mạng, Cisco Networking
Switching Basics and Intermediate Routing - Single Area OSPF
Link-state routing protocols perform in a very different way from distance vector protocols. Understanding the difference between distance vector and link-state protocols is vital for network administrators. One essential difference is that distance vector protocols use a simpler method of exchanging routing information. Figure outlines the characteristics of both distance vector and link-state routing protocols. Link-state routing...
76 p dtu 18/12/2012 210 1
Từ khóa: Single Area OSPF, Switching Basics, Intermediate Routing, Networking basics, mạng cơ bản, kỹ thuật mạng, công nghệ mạng, Cisco Networking
Router and Routing Basics - Distance vector Routing Protocols
Routing table updates occur periodically or when the topology in a distance vector protocol network changes. It is important that a routing protocol be efficient in updating the routing tables. As with the network discovery process, topology change updates proceed systematically from router to router. Distance vector algorithms call for each router to send its entire routing table to each of its adjacent neighbors. The routing tables include...
47 p dtu 18/12/2012 184 1
Từ khóa: Routing Protocols, Routing Basics, Networking basics, mạng cơ bản, kỹ thuật mạng, công nghệ mạng, Cisco Networking
Router and Routing Basics - Routing and Routing protocols
Routing is the process that a router uses to forward packets toward the destination network. A router makes decisions based upon the destination IP address of a packet. All devices along the way use the destination IP address to point the packet in the correct direction so that the packet eventually arrives at its destination. In order to make the correct decisions, routers must learn the direction to remote networks. When routers use dynamic...
27 p dtu 18/12/2012 198 2
Từ khóa: Routing protocols, Routing Basics, Networking basics, mạng cơ bản, kỹ thuật mạng, công nghệ mạng, Cisco Networking
Networking Basics - routing fundamentals and subnets
A protocol is a set of rules that determines how computers communicate with each other across networks. Computers communicate with one another by exchanging data messages. To accept and act on these messages, computers must have definitions of how a message is interpreted. Examples of messages include those establishing a connection to a remote machine, e-mail messages, and files transferred over a network. A protocol describes the following:...
85 p dtu 18/12/2012 178 1
Từ khóa: Networking Basics, routing fundamentals, mạng cơ bản, kỹ thuật mạng, công nghệ mạng, Cisco Networking