... 2.2.2 Giao thứcOLSR (Optimized LinkStateRouting Protocol) OLSR giao thức định tuyến chủ ứng dựa trạng thái liên kết [26] Sự khác OLSR định tuyến theo trạng thái liên kết mạng có dây OLSR dựa ... loại giao thức định tuyến mạng MANET .24 2.2.1 Giao thức DSDV (Destination-Sequence Distance Vector) 24 2.2.2 Giao thứcOLSR (Optimized LinkStateRouting Protocol) 25 2.2.3 Giao thức AODV ... Destination-Sequenced Distance Vector DSR Dynamic Source Routing NAM Network Animator NS2 Network Simulator OLSROptimizedLinkStateRoutingProtocol Personal Area Network PAN PDA PRnet Personal...
... www.bkacad.com Link- StateRouting Học viện mạng Bach Khoa - Website: www.bkacad.com Link- StateRouting • Linkstaterouting protocols – Also known as shortest path first algorithms – These protocols ... www.bkacad.com Link- StateRouting • Routers with link- staterouting protocols use a Hello protocol to discover any neighbors on its links A neighbor is any other router that is enabled with the same link- state ... www.bkacad.com 21 Implementing Link- StateRouting Protocols Học viện mạng Bach Khoa - Website: www.bkacad.com 22 Advantages of Link- StateRouting Protocols Routingprotocol Router can Builds independent...
... chất linkstateprotocol 17 • Là giao thức định tuyến Distance Vecter RoutingProtocol Mặc dù vượt trội giao thức loại khác khả định tuyến có vài nét giống với giao thức định tuyến LinkStateRouting ... II Giao thức định tuyến - Routing Protocol: .4 TCP/IP: .4 Internet Protocol: Routing Protocol: III Các giao thức định tuyến động ... distance vecter protocols linkstate protocols Distance vecter protocols: Sử dụng thuật toán vecter khoảng cách, tính toán khoảng cách ngắn nút mạng biết đến thuật toán bellman-ford Các giao thức sử...
... giao thức định tuyến điểm hình dùng mạng Manet định tuyến vector khoảng cách tuần Giới thiệu Manet định tuyến trạng thái tối ưu liên kết OLSR (Optimized LinkState Routing) , STAR [4]), giao thức ... tính thương mại phải cần giao thức định tuyến lý tưởng Điều thúc đẩy việc nghiên cứu giao thức Giao thức định tuyến lai ZRP VÀ TZRP - Giao thức định tuyến Zone RoutingProtocol (ZRP) đề xuất để cung ... tham khảo - Giao thức định tuyến Two-Zone RoutingProtocol (TZRP) phần mở rộng ZRP để thích ứng với thay đổi điều kiện mạng tiếp cận có hiệu ZRP môi trương mạng lớn - Các giao thức định tuyến...
... GATEWAY PROTOCOL Vùng tự trị Giao thức BGP COMMUNITY CONFEDERATION Thuộc tính COMMUNITY Sự phân chia AS nhằm giảm số tuyến EBGP Giao thức BGP chạy AS EGPs Các giao thức sử dụng AS IBGP Giao thức ... gọi giao thức định tuyến Đối tượng nghiên cứu đề tài giao thức định tuyến BGP (Border Gateway Protocol) – giao thức sử dụng rộng rãi mạng Internet Mục đích đề tài tìm hiểu hoạt động giao thức định ... IGPs Các giao thức sử dụng AS LOCAL_PREF Thuộc tính LOCAL_PREF MED NEXT_HOP Thuộc tính MED Thuộc tính NEXT_HOP ORIGIN Thuộc tính ORIGIN OSPF Giao thức định tuyến OSPF RIP Giao thức định tuyến...
... subnet chổ có nhiều subnet có entry routing table II SO SÁNH DISTANCE VECTOR VÀ LINK- STATE: Distance Vector LinkState giao thức định tuyến động (Dynamic Routing Protocol) cấu hình thiết bị layer ... subnet mask Vì routingprotocol nhận routing update net khác (các network không kết nối trực tiếp), classfull routingprotocol lấy giá trị subnet mask cổng (interface) router mà nhận routing update ... thêm đường đến mạng B Chính routing table Router1 route đến mạng B (10.11.0.0/16) Để giải vấn đề này, dùng static routing dùng routing hỗ trợ VLSM Khi cần phải có routingprotocol support VLSM (...
... the data linkprotocol The next section of this chapter looks at yet another routingprotocol classification: distance vector and link- state protocols Distance Vector Versus Link- State Protocols ... operation of the link- staterouting protocols and their respective protocols in more detail Metrics in Link- State Protocols Both OSPF and IS-IS use metrics, which are measures of link bandwidth ... classification of routing protocols: interior gateway routing protocols (for intradomain routing) and exterior gateway protocols (for interdomain routing) Figure 1-9 shows two routing domains,...
... 09:26:26:%STANDBY-6-STATECHANGE: Standby: 0: FastEthernet0/1 state Active-> Init Reconnect West router: 09:26:57: %STANDBY-6-STATECHANGE: Standby: 0: FastEthernet0/0 state Listen-> Active 09:26:57: %STANDBY-6-STATECHANGE: ... so you can watch the state changes as it is disconnected and reconnected to the network Disconnect West router: 09:26:26:%STANDBY-6-STATECHANGE: Standby: 0: FastEthernet0/0 state Active-> Init ... and they are both connected to the same network A routingprotocol is not needed Each router has knowledge of all networks in the network IP Routing will need to be enabled on all routers We...
... classless routing protocol, có nghĩa gửi subnet mask thông tin định tuyến Đặc điểm cuối EIGRP không hỗ trợ IP mà hỗ trợ IPX AppletTalk Operation of EIGRP Metric EIGRP sử dụng dạng công thức tính ... bảo EIGRP có module chính: + Protocol- Dependent Modules + Reliable Transport Protocol (RTP) + Neighbor Discovery/ Recovery + Diffusing Update Algorithm (DUAL) a/ Protocol- Dependent Modules EIGRP ... có metric nhỏ lưu vào routing table Và neighbor qung bá route Seccessor The DUAL Finite State Machine Khi router không thực diffusing computations route trạng thái passive state Khi router tính...
... Interior RoutingProtocol Denise Donohue, Global Knowledge Instructor, CCIE #9566 Introduction Choosing an IP routingprotocol is an important step The right protocol can make your routing operate ... paper, for those wishing more information on a particular protocolRouting Information Protocol (RIP) RIP was one of the first IP routing protocols It is simple to understand and simple to configure ... for each protocol, as well as suggestions on designing your network to maximize the efficiency of each protocol This paper assumes the reader is already familiar with interior routing protocols...
... Advanced Routing Protocols I n Chapter 10, you were introduced to the configuration of two distance vector routing protocols: IP RIP and IGRP This chapter focuses on two advanced routing protocols: ... up-to-date linkstate information It does this with a destination address of 224.0.0.5 (all OSPF routers on the segment) When building the routing table using link A two-way state indicates state ... Seq: Sequence number T: OSPF packet type (1-hello, 2-data description, 3 -link state request, 4 -link state update, 5 -link state acknowledgment V: D:\omh\CertPrs8\934-9\ch11.vp Monday, August 04,...
... Advanced Routing Protocols I n Chapter 10, you were introduced to the configuration of two distance vector routing protocols: IP RIP and IGRP This chapter focuses on two advanced routing protocols: ... up-to-date linkstate information It does this with a destination address of 224.0.0.5 (all OSPF routers on the segment) When building the routing table using link A two-way state indicates state ... Seq: Sequence number T: OSPF packet type (1-hello, 2-data description, 3 -link state request, 4 -link state update, 5 -link state acknowledgment V: D:\omh\CertPrs8\934-9\ch11.vp Monday, August 04,...
... 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), ... DUAL 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 ... Gateway RoutingProtocol (EIGRP) q AS number of the destination q Configurable administrator tag q ID of the external protocol q Metric from the external protocol q Bit flags for default routing...
... of link- state protocols Specifically, EIGRP is “enhanced” by using four routing technologies: • • • • Neighbor discovery/recovery Reliable Transport Protocol (RTP) DUAL finite -state machine Protocol- dependent ... Gateway RoutingProtocol (EIGRP) As internetworks grew in scale and diversity in the early 1990s, new routing protocols were needed Cisco developed Enhanced Interior Gateway RoutingProtocol ... Gateway RoutingProtocol (EIGRP) Technical Overview of EIGRP EIGRP offers many advantages over other routing protocols, including the following: • Support for VLSM—EIGRP is a classless routing protocol...
... Classless RoutingProtocol Classless routing protocols include the subnet mask with the network address in their routing updates 17 Classless RoutingProtocol With a classless routing protocol: ... Classful IP Addressing Classful Routing Protocols Classless IP Addressing Classless Routing Protocols Classful and Classless Routing Protocols Routing protocols: classful or classless ... Only classless routing protocols can propagate supernets Classless routing protocols include both the network address and the mask in the routing update Classful routing protocols cannot...
... in the routing table 41 Implementing Link- StateRouting Advantages of a Link- StateRoutingProtocol Requirements of a Link- StateRoutingProtocol Comparison of Link- StateRoutingProtocol ... Link- StateRoutingProtocol Comparison of Link- StateRoutingProtocol Link- StateRouting Link- StateRouting Protocols Introduction to the SPF Algorithm Link- StateRouting Process Step 1: Learning ... Constructing a LinkState Database Shortest-Path First (SPF) Tree Implementing Link- StateRouting Protocols Advantages of a Link- StateRoutingProtocol Requirements of a Link- StateRouting Protocol...
... Distribution Protocol Enhanced version of the Resource Reservation Protocol An interior routing protocol, such as OSPF or EIGRP is also used within the MPLS network to exchange routing information ... 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 15 the specified neighbor using unicast...