link state routing protocols ppt

... Networks.• Link: this is an interface on a router • Link state: this is the information about the state of the links Link-State Routing Trang 10Link-State Routing• Routers with link-state routing protocols ... Trang 1Chapter 10 - Link-State Routing Protocols CCNA Exploration 4.0 Trang 3IntroductionTrang 4Link-State RoutingTrang 5Link-State Routing• Link state routing protocols – Also known as ... function Link-State Routing Trang 12Link-State RoutingBuilding the Link State Packet • Each router builds its own Link State Packet (LSP) • Contents of LSP: – State of each directly connected link

Ngày tải lên: 28/07/2014, 18:21

... định tuyến Link – State c 3.Giao th ứ c đị nh tuy n ế RIP (Routing Information Protocol) 1 Định nghĩa: RIP là giao thức định tuy n distance-ế vector điển hình, nó đều đặn gửi toàn b Routing Table ... u b nh và CPU c a Router khi ố ề ộ ớ ủ chạy thu t toán ậ tìm đường ngắn nhất Hoạt động c a Link-State routing protocol ủ có thể chia làm 4 bước: Các Router tìm neighbors c a mình t các Router ... định tuy n ế Do các Router hội tụchậm d n ẫ đến vi c sai l ch trong bệ ệ ảng định tuyến.Link – State Routing (Định tuyến theo trạng thái liên kết)Trong mạng sử dụng phương pháp định tuyến vector

Ngày tải lên: 02/01/2025, 22:06

... requirements of link-state routing protocols. Trang 3Link-State Routingƒ Link state routing protocols ƒ Link state routing protocols -Also known as shortest path first algorithms -These protocols ... Trang 8ƒ Link state routing protocols use a hello protocolƒ Link state routing protocols use a hello protocol Purpose of a hello protocol: -To discover neighbors (that use the same link state routing ... Trang 1Link-State Routing Protocols Routing Protocols and Concepts – Chapter 10 Trang 2routing protocols.– Distance vector routing protocols are like road signs because

Ngày tải lên: 01/08/2014, 18:20

... balanced hybrid routing protocols Trang 4• After initial flood, pass small event-triggered link-state updates to all other routers Link-State Routing Protocols Trang 5• Minimizes routing table ... vector routing Trang 9Drawbacks to Link-State Routing Protocols • Initial discovery may cause flooding. Trang 10• Shares attributes of both distance vector and link-state routing Balanced Hybrid Routing ... impact of a topology change within an area Link-State Network Hierarchy Example Trang 6Link-State Routing Protocol Algorithms Trang 7Benefits of Link-State Routing immediately by the source affected.

Ngày tải lên: 17/02/2014, 08:20

... Implementing Link-State Routing ProtocolsAdvantages of a Link-State Routing Protocol Requirements of a Link-State Routing Protocol Comparison of Link-State Routing Protocol Trang 4Link-State Routing Link-State ... Perlman Trang 51 Implementing Link-State Routing ProtocolsAdvantages of a Link-State Routing Protocol Requirements of a Link-State Routing Protocol Comparison of Link-State Routing Protocol ... Trang 6Introduction Link-State Routing Protocols Distance vector routing protocols - road signs Distance and vector  Link-state routing protocols - road map Distance Vector Link-State Trang 8Introduction

Ngày tải lên: 23/02/2014, 09:20

... 5 routing by using either the “undebug Trang 27Routing Table and CDP Protocolƒ When a router only has its interfaces configured & no other routing protocols are configured then: -The routing ... Trang 25R ti T bl C tRouting Table Concepts ƒ The show ip route command reveals the content of the routing table. Trang 26Routing Table Conceptsƒ Purpose of the debug ip routing command ƒ Allows ... debug ip routing command Configuring the IP address and Subnet Mask disable interfaces with the shutdown command. g g 4 Check the routing table 2 Check the routing table 5 Disable debug ip routing

Ngày tải lên: 05/07/2014, 03:20

... A group of OSPF routers that share link-state information  All OSPF routers in the same area must have the same link-state information in their link-link-state databases  This is accomplished ... information about any entry in the DBD  LSU: (Link-State Update): Link-state information.  LSAck (LSA Acknowledgment): Router sends a link-state (LSAck) to confirm receipt of the LSU Figure ... OSPF LSPs (link-state packets).  Hello: Used to establish and maintain adjacency.  DBD (Database Description): Abbreviated list of the sending router’s link-state database  LSR (Link-State Request)

Ngày tải lên: 09/03/2014, 13:20

... Trang 1CHƯƠNG 11GIAO THỨC KẾT NỐI DỮ LIỆU (DATA LINK PROTOCOLS)Giao thức (protocol) được hiểu là tập các luật hay qui ước nhằm thực hiện một nhiệm ... bit với giao thức synchronous data link control (SDLC) và yêu cầu ISO chấp nhận để đưa vào làm chuẩn. Năm 1979, ISO trả lời bằng cách đưa ra high-level data link control (HDLC), phát triển từSDLC ... bit nhồi (bitstuffing) Bao gồm hai tác động: định nghĩa vùng văn bản transparency dùng ký tự data linkescape (DLE) và xử lý các ký tự DLE trong vùng transparency bằng các ký tự DLE extra Để định

Ngày tải lên: 08/08/2014, 10:20

... Advanced Routing Protocols Trang 2In Chapter 10, you were introduced to the configuration of two distance vector routingprotocols: IP RIP and IGRP This chapter focuses on two advanced routing protocols: ... the link-state type, the ID of the advertising router, the cost of the advertised link, and the sequence number of the link This is different from distance vector protocols. Distance vector protocols ... mechanism is enabled T: OSPF packet type (1-hello, 2-data description, 3-link state request, 4-link state update, 5-link state acknowledgment Trang 20simulator, click on the LabNavigator button

Ngày tải lên: 18/01/2014, 04:20

...  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 ... route in the routing table A classless routing protocol includes the subnet mask with the network address in the routing update Trang 17Classless Routing Protocol  Classless routing protocols include ... 1Chapter 6 VLSM and CIDRRouting Protocols and Concepts Trang 3Classful and Classless AddressingTrang 4 As networks began to use classless addressing, classless routing protocols had to be modified

Ngày tải lên: 23/02/2014, 09:20

... Handshake:Obsolete SYN Segment Trang 33Three Way Handshake: State Diagram Trang 34Three WayHandshake: Examples Trang 35Connection Termination❚ Entity in CLOSE WAIT state sends last data segment, followed by ... Close request ❚ Transport entity sends FIN, requesting termination ❚ Connection placed in FIN WAIT state ❙ Continue to accept data and deliver data to user ❙ Not send any more data ❚ When FIN received, ... 21Side Not Initiating Termination❚ FIN received ❚ Inform TS user Place connection in CLOSE WAIT state ❚ TS user issues CLOSE primitive ❚ Transport entity sends FIN ❚ Connection closed ❚ All outstanding

Ngày tải lên: 06/03/2014, 09:21

... Routes as They are Added to the Routing Tablel The debug ip routing displays routing table processes for any Trang 38Changing an IP AddressR2# debug ip routing IP routing debugging is on R2# config ... 01:16:08.212: %LINK-3-UPDOWN: Interface FastEthernet0/0, changed state to up *Mar 1 01:16:09.214: %LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to upption R1(config-if)# ... used to display the routing table l Initially, the routing table is empty if no interfaces have been configured. l Note: Static routes and dynamic routes cannot be added to the routing table until

Ngày tải lên: 09/03/2014, 13:20

... Vector Routing Protocols Link State Routing Protocols Path Vector Highlighted routing protocols are the focus of this course @ There are advantages and disadvantages to using any type of routing ... the routing table @ Triggered updates - later 15 Trang 16( | Ì a fat te a St | ( S Interior Gateway Protocols Exterior Gateway Protocols Distance Vector Routing Protocols Link State Routing Protocols ... verifying, and troubleshooting these protocols. Trang 6Cisco SYSTEMS Interior Gateway Protocols Exterior Gateway Protocols R O | | | n 1 Link State Routing Protocols Path Vector EIGRP for

Ngày tải lên: 09/03/2014, 13:20

... from one routing source and sending those routes to another routing source @ Routes can only be redistributed into a dynamic routing protocol Dynamic routing protocol to a different dynamic routing ... classful routing protocol has these limitations. Trang 5RIPv1: Distance Vector, Classess Routing Protocol EIGRP for IS-IS for IPv6 RIPng IPv6 OSPFv3 IPv6 Highlighted routing protocols ... VLSM Support Trang 4Note on Classful Routing Protocols, RIPv1 limitations @ The first part of this presentation discusses the limitations of classful routing protocols such as RIPv1 ® RIPvi is

Ngày tải lên: 09/03/2014, 13:20

... J J Garcia-Luna- Aceves Routing loops, even temporary ones, can be extremely detrimental to network performance Distance vector routing protocols such as RIP prevent routing loops with hold-down ... Like other routing protocols, EIGRP can be configured for authentication lt is good practice to authenticate transmitted routing information This practice ensures that routers will accept routing ... Vector Routing Protocol @ EIGRP Message Format Trang 5e Classless routing protocol @® Released in 1992 with Cisco IOS Software Release 9.21 @® Enhancement of Cisco Interior Gateway Routing

Ngày tải lên: 18/03/2014, 14:20

... implemented link-state routing Trang 22Classful and Classless Routing Protocols
All routing protocols can also be classified as either  Classful routing protocols  Classless routing protocols ... routing protocols are required:  Interior routing protocols  Exterior routing protocols Trang 15IGP and EGP
Interior gateway protocols (IGP):  Used for intra-autonomous system routing  Routing ... gateway protocols (EGP):  Used for inter-autonomous system routing  Routing between autonomous systems Trang 16Distance Vector and Link-State Routing Protocols
Interior gateway protocols

Ngày tải lên: 18/03/2014, 14:20

... paper) 1 Civil rights—United States—States 2 Constitutional law—United States—States 3 Equality before the law—United States—States 4 Liberty I Title (Based on the Declaration of Principles jointly ... sharp contrast, in state court when a state educational fi nancing system is challenged under a state constitutional provision, there are no federalism concerns Not only is the state court free ... equality provisions in their state constitutions, some state supreme courts continue to adhere strictly to the federal model.88 These states adamantly refuse to extend state equality provisions

Ngày tải lên: 30/03/2014, 01:20

... on the implementation of GASB Statement No 34 as of June 30, 2002, and is reflected as part of the $12 million restatement as of July 1, 2002, in the financial statements, and the recording of ... does not reduce to a relatively low level the risk that misstatements in amounts that would be material in relation to the basic financial statements being audited may occur and not be detected within ... financial statements The department was unable to provide adequate documentation to support certain capital asset costs and the related accumulated depreciation Additionally, the department restated

Ngày tải lên: 18/06/2014, 20:20

... Statement No. 34 as of June 30, 2002, and that is reflected as a restatement, and the related depreciation expense for the year ended June 30, 2003, reported in the statement of net assets, statement ... Department of Defense, State of Hawaii, as of and for the year ended June 30, 2003, which collectively comprise the department’s basic financial statements. These financial statements are the responsibility ... General of the United States. Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements are free of material misstatement. An audit

Ngày tải lên: 18/06/2014, 20:20

... financial statements audited by PricewaterhouseCoopers LLP, which are presented at the end of this chapter Government-Wide Financial Statements Statement of Net Assets (Exhibit 3.1) This statement ... of the State that are attributable to the transactions of the department The State Comptroller maintains the central accounts for all state funds and publishes comprehensive financial statements ... United States of America as prescribed by the Governmental Accounting Standards Board (GASB) through its statements and interpretations The government-wide statement of net assets and statement

Ngày tải lên: 18/06/2014, 20:20