distance vector routing protocol definition

... v2.05-26 Summary ã Distance vector- based routing algorithms (also known as Bellman-Ford algorithms) pass periodic copies of a routing table from router to router. ã When the topology in a distance vector protocol ... to: ã Describe the features offered by distance vector routing protocols and give examples of each ã Describe the issues associated with distance vector routing and identify solutions to those ... router. Maintaining Routing Information â 2002, Cisco Systems, Inc. All rights reserved. ICND v2.05-4 ã Routers pass periodic copies of routing table to neighbor routers and accumulate distance vectors. Distance...

Ngày tải lên: 17/02/2014, 08:20

Ngày tải lên: 07/07/2014, 00:20

Ngày tải lên: 28/07/2014, 18:21

Ngày tải lên: 01/08/2014, 18:20

... RIP: Routing Information Protocol version 1 (RIPv1) là một giao thức đơn giản và vì vậy hoạt động hiệu quả trong những mạng nhỏ ít có những thay đổi. RIP là giao thức đầu tiên trong nhóm distance ... định tuyến trên router 1 như sau: Router_1#show ip route 133.33.0.0 Routing entry for 133.33.0.0/16 Known via "igrp 1", distance 100, metric 8576 Redistributing via igrp 1 Advertised by ... via "igrp 1", distance 100, metric 8576 Redistributing via igrp 1 Advertised by igrp 1 (self originated) Last update from 192.168.6.2 on Serial0, 00:00:20 ago Routing Descriptor Blocks: *...

Ngày tải lên: 06/11/2013, 04:15

Ngày tải lên: 25/07/2014, 08:20

... trình này cứ lặp đi lặp lại (vì A sẽ gửi lại 1 update nói với B và D rằng la N1 vẫn good) ===> routing loop Nguyên nhân: B và D có thể nhận được update từ A còn C thì không , bởi vì 1 "HÔI...

Ngày tải lên: 27/10/2013, 20:15

... they are both connected to the same network. A routing protocol is not needed. Each router has knowledge of all networks in the network. IP Routing will need to be enabled on all routers. ... switches used in previous labs back to factory defaults. Lab 8.2.2: HSRP – Hot Standby Routing Protocol 10.1.2.100 Workstation WEB 10.1.1.4/24 EAST WEST Fa0/0 10.1.1.4/24 Fa0/0 10.1.1.3/24 Fa0/1 10.1.2.3/24 Fa0/0 10.1.1.2/24 Fa0/1 10.1.2.2/24 HSRP ... them. Try your ping again. Does it work now? 7. This is where HSRP (Hot Standby Routing Protocol) would be a perfect solution. We currently have two IP addresses on each network...

Ngày tải lên: 11/12/2013, 14:15

... Routing protocol (EIGRP) là một sự nâng cấp của IGRP. Bên cạnh những tính chất vốn có IGRP là một distance- vector protocol, EIGRP còn mang một số tính chất của link state protocol. Tất cả các distance ... với distace vector protocol, link state protocol không phi giải quyết vấn đề chống loop và thời gian hội tụ rất lớn bởi vì không giống như routing- by-rumor approach của distance vector các router ... Routing Protocol( EIGRP) Tác giả: Trần Văn Thành Enhanced Interior Gateway Routing Protocol( EIGRP) Lần đầu tiên được đưa vào sử dụng trong phiên bn ISO 9.21, Enhanced Interior Gateway Routing...

Ngày tải lên: 12/12/2013, 17:15

... can ping it when troubleshooting. Enhanced Interior Gateway Protocol (EIGRP) EIGRP is a Cisco proprietary distance- vector routing protocol. It was created to be used with basically any media ... reserved. Page 8 Intermediate System – Intermediate System (IS-IS) IS-IS is a routing protocol created by the ISO and is based on OSI protocols, not on IP. However, there is a version of IS-IS adapted to ... an easy protocol to use. All that is required is to enable RIP and configure a network statement for the router interfaces that will be running RIP. RIP version 1 is a classful routing protocol, ...

Ngày tải lên: 17/01/2014, 06:20

... to basic IP routing protocol configuration. CERTIFICATION OBJECTIVE 10.02 IP RIP IP RIP (Routing Information Protocol) comes in two different versions: 1 and 2. Version 1 is a distance vector protocol ... OBJECTIVE 10.03 IP IGRP The Interior Gateway Routing Protocol (IGRP) is a Cisco-proprietary routing protocol for IP. Like IP RIPv1, it is a distance vector protocol. However, it scales better than RIP ... distance vector protocol. RIP is a very old protocol and therefore is very stable; in other words, Cisco really doesn’t do that much development on the protocol, unlike other, more advanced protocols....

Ngày tải lên: 18/01/2014, 04:20

... Gateway Routing Protocol (EIGRP) ● AS number of the destination ● Configurable administrator tag ● ID of the external protocol ● Metric from the external protocol ● Bit flags for default routing Route ... to make routing decisions, the results of which are stored in the IP routing table. IP-Enhanced IGRP is responsible for redistributing routes learned by other IP routing protocols. Routing Concepts Enhanced ... learned from the Routing Table Maintenance Protocol (RTMP). The IP implementation redistributes routes learned from OSPF, Routing Information Protocol (RIP), IS-IS, Exterior Gateway Protocol (EGP),...

Ngày tải lên: 18/01/2014, 05:20

... Gateway Routing Protocol (EIGRP) As internetworks grew in scale and diversity in the early 1990s, new routing protocols were needed. Cisco developed Enhanced Interior Gateway Routing Protocol ... the most popular routing protocols among network engineers. EIGRP can be referred to as a hybrid protocol. It combines most of the characteristics of traditional distance vector protocols with ... Gateway Routing Protocol (EIGRP) Technical Overview of EIGRP EIGRP offers many advantages over other routing protocols, including the following: ã Support for VLSM —EIGRP is a classless routing...

Ngày tải lên: 24/01/2014, 19:20

... R1(config-router)#^Z A B 2 Distance Vector vs. Link State Distance Vector Distance Vector ã Updates frequently ã Each router is "aware" only of its immediate neighbors ã Slow convergence ã Prone to routing ... 30.0.0.1 30.0.0.2 40.0.0.1 10.0.0.2 40.0.0.2 A B 1 Distance Vector Link State Hybrid Distance Vector vs. Link State Route table Topology Incremental Update Periodic UpdateRouting by rumor A B C D X E 23 OSPF ... this interface interface 32 OSPF Network Types 50 show ip protocols show ip protocols Router# ã Verifies the configured IP routing protocol processes, parameters and statistics Verifying OSPF...

Ngày tải lên: 06/03/2014, 07:20

... demand. Hybrid protocols combine properties of both proactive and reactive protocols. Among those protocols, it is known that gradient-based routing protocols which belong to the proactive protocols ... directly determined by the routing protocol. Particularly, in large- scale WSNs, communication protocols should scale with the number of sensor nodes [4]. Routing protocols pro- posed in the ... work in Section V. II Related works A General operation of gradient-based routing protocols In gradient-based routing protocols, no routes are set up prior to sending data. Nodes are assigned...

Ngày tải lên: 21/06/2014, 00:20

... Many routing protocols that are currently used for this application space are descendants of the Ad hoc On-demand Distance Vector (AODV) routing protocol [10]. Examples of these are the mesh routing ... Considerations for Routing. Ideally, a link quality esti- mator for a routing protocol should be accurate, agile, and stable, and should add minimum overhead to the routing protocol. Below, we ... “Highly dynamic destination- sequenced distance- vector routing (DSDV) for mobile computers,” in Proceedings of the ACM Conference onCommunications Architectures, Protocols and Applications (SIGCOMM...

Ngày tải lên: 21/06/2014, 11:20

... networks. Existing major routing protocols for wireless sensor net- works include LEACH [1], Directed Diffusion [2], Dynamic Source Routing (DSR) [3], Ad hoc on Demand Distance Vector (AO DV ) [4], ... efficiency of the routing protocols. The traditional flooding routing protocols have the advantages that they normally have high success rate in finding the path to destination, however, flooding protocols ... two categories: single-path routing and multipath routing. In single-path routing, for each data packet, there is only one copy traveling along one path in the network. While in multipath routing, multiple...

Ngày tải lên: 21/06/2014, 17:20

... ad hoc routing since the introduction of highly dynamic destination-sequenced distance- vector routing (DSDV) [1]. Ad hoc on-demand distance- vector routing (AODV) [2]and dynamic source routing ... energy-aware rout- ing protocol (EARP) is presented and its energy efficiency is compared with that of the ad hoc on-demand distance- vector (AODV) routing protocol. 2. ENERGY-AWARE ROUTING PROTOCOL In energy-efficient ... following perspectives: low energ y, lightweight routing protocols, and adaptive communication patterns. This paper proposes an energy-aware routing protocol (EARP) suitable for ad hoc wireless sensor...

Ngày tải lên: 23/06/2014, 00:20

Ngày tải lên: 27/06/2014, 00:20