Ngày tải lên: 28/07/2014, 18:21
... 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 ... 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 ... 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
DISTANCE VECTOR PROTOCOL: RIP & IGRP
... của 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 ... phân phối (redistribute) vào RIP sẽ được đánh dấu bằng route tag để phân biệt giữa internal RIP và external RIP. Ví dụ có 10 tuyến đường tĩnh muốn phân phối vào RIP và được gán tag là 20. Các ... định tuyến dạng classless khi sử dụng default route hay default network. RIP version 2 RIPv2 là một cải tiến của RIPv1. RIPv2 là giao thức định tuyến dạng classless, có hỗ trợ VLSM, route summarization...
Ngày tải lên: 06/11/2013, 04:15
Tài liệu Configuring Distance Vector Protocols docx
... 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 ... overview of routing protocols, including the different types and their advantages and disadvantages. This chapter covers the basic configuration of distance vector protocols, specifically the IP Routing ... of this chapter. RIPv2 One thing you have to keep in the back of your mind when dealing with RIPv2 is that it is based on RIPv1 and is, at heart, a distance vector protocol with routing enhancements...
Ngày tải lên: 18/01/2014, 04:20
bài viết về routing protocols cho cấp độ ccna
... nhưng nó chỉ có một entry trong routing table II. SO SÁNH DISTANCE VECTOR VÀ LINK-STATE: Distance Vector và Link State đều là các giao thức định tuyến động (Dynamic Routing Protocol) cấu hình ... như RIP v2, OSPF , hay EIGRP) Còn RIP v1 chỉ hỗ trợ classfull. Nghĩa là trong 1 topology, tất cả các subnet chỉ được chia cùng một subnet mask duy nhất. Vì khi các routing protocol nhận các routing ... trong routing table của Router1 sẽ không có route nào đến mạng B (10.11.0.0/16). Để giải quyết vấn đề này, dùng static routing hoặc dùng các routing hỗ trợ VLSM. Khi này thì cần phải có các routing...
Ngày tải lên: 07/09/2013, 15:00
Troubleshooting IP Routing Protocols (CCIE® Professional Development)
... principles behind distance vector protocols and link-state protocols. Distance Vector Routing Concepts This section reviews key concepts that underlie the operation of distance vector routing protocols, ... Exterior Gateway Protocols Distance Vector Advanced Distance Vector Link-State Path Vector RIP- 1 EIGRP OSPF BGP RIP- 2 Integrated IS-IS IGRP The Interior Gateway Routing Protocol (IGRP) was invented ... are advertised by distance vector protocols, makes such environments very susceptible to routing loops—for example, when a router running a distance vector protocol broadcasts routing updates...
Ngày tải lên: 16/10/2013, 12:15
Cơ chế hoạt động của các giải pháp nhằm tránh "LOOP" trong giải thuật distance vector
... 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
Tài liệu Lab 7.3.6 Default Routing with RIP and IGRP docx
... Routers and Routing Basics v 3.0 - Lab 7.3.6 Copyright 2003, Cisco Systems, Inc. Lab 7.3.6 Default Routing with RIP and IGRP Objective ã Configure a default route and use RIP to propagate ... ã Migrate the network from RIP to IGRP. ã Configure default routing to work with IGRP Background/Preparation In this lab, a default route will be configured and RIP used to propagate this ... Troubleshoot, if necessary. Step 8 Migrate the network from RIP to IGRP a. With default routing now working, it is necessary to migrate the network from RIP to IGRP for testing purposes. Issue the following...
Ngày tải lên: 21/12/2013, 19:15
Tài liệu Configuring Advanced Routing Protocols doc
... Also, classless protocols include the subnet mask value along with the route when advertising routing information: distance vector protocols do not include the subnet mask in their routing updates. D:\omh\CertPrs8\934-9\ch11.vp Monday, ... routers. Whereas RIP accepts routing updates from just about any other RIP router, OSPF has some rules concerning if and how routing information should be shared. First, before a router will accept any routing ... nssa Maximum path: 4 Routing for Networks: 0.0.0.0 255.255.255.255 area 0 Routing Information Sources: Gateway Distance Last Update 192.168.1.100 110 00:00:24 192.168.100.1 110 00:00:24 Distance: (default...
Ngày tải lên: 18/01/2014, 04:20
Tài liệu Configuring Advanced Routing Protocols pdf
... and the sequence number of the link. This is different from distance vector protocols. Distance vector protocols share their entire routing table with their neighbors with the exception of routes ... you were introduced to the configuration of two distance vector routing protocols: IP RIP and IGRP. This chapter focuses on two advanced routing protocols: OSPF and EIGRP. OSPF is a link state ... routers. Whereas RIP accepts routing updates from just about any other RIP router, OSPF has some rules concerning if and how routing information should be shared. First, before a router will accept any routing...
Ngày tải lên: 18/01/2014, 04:20
Tài liệu Configuring Default Routing with RIP and IGRP pptx
... default routing now working, you must migrate the network from RIP to IGRP for testing purposes. Issue the following command on all three routers: SanJose1(config)#no router rip With RIP removed ... three routing tables, proceed to the next step. 1 - 4 Semester 5: Advanced Routing v2.0 - Lab 3.6.3 Copyright 2001, Cisco Systems, Inc. 3.6.3: Configuring Default Routing with RIP and ... configure RIP to propagate this 0.0.0.0/0 route. Enter these commands on SanJose2: SanJose2(config)#router rip SanJose2(config-router)#default-information originate Step 4 Now check the routing...
Ngày tải lên: 24/01/2014, 19:20
Tài liệu Routing Protocols and Concepts: Chapter 6 pot
... Chapter 6 VLSM and CIDR Routing Protocols and Concepts 17 Classless Routing Protocol Classless routing protocols include the subnet mask with the network address in their routing updates. 44 Route ... 172.30.3.0/24) as 172.30.0.0. R3 applies the /8 mask (classful routing protocol) 8 Classful Routing Protocol Routing protocols, such as RIPv1, only needed to propagate the network address, not ... with the route in the routing table. A classless routing protocol includes the subnet mask with the network address in the routing update. 40 CIDR Classless interdomain routing (CIDR) is a...
Ngày tải lên: 23/02/2014, 09:20
Tài liệu Routing Protocols and Concepts: Chapter 10 ppt
... Only the information regarding the affected link. Unlike some distance vector routing protocols (RIP) , link-state routing protocols do not send periodic updates. OSPF routers do flood their ... routing process, it must be: In the up state. Included in one of the network statements. 43 Advantages of a Link-State Routing Protocol Builds a Topological Map Distance vector routing protocols ... link- state routing protocol, OSPF. 46 Hierarchical Design Link-state routing protocols such as OSPF and IS-IS use the concept of areas. Better route aggregation (summarization) Isolation of routing...
Ngày tải lên: 23/02/2014, 09:20
CIS 185 Advanced Routing ProtocolsEIGRP Part 2 pot
... assigned an independent routing table - the virtual routing and forwarding (VRF) table in the PE router. PE routers maintain separate routing tables for each customer. Routing across the provider ... interface-number Defines a neighboring router to exchange EIGRP routing information. Instead of using multicast packets, EIGRP exchanges routing information with the specified neighbor using unicast ... circuits Advantages IP routing provides dynamic, automatic path setup Provides best path and backup paths Provides QoS Disadvantages Latency in hop-by-hop Layer 3 lookup Latency in routing – switching...
Ngày tải lên: 05/03/2014, 17:20
Distance Vector vs. Link State docx
... 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 ... to 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...
Ngày tải lên: 06/03/2014, 07:20