head gateway switch routing protocol

... bảo EIGRP có module chính: + Protocol- Dependent Modules + Reliable Transport Protocol (RTP) + Neighbor Discovery/ Recovery + Diffusing Update Algorithm (DUAL) a/ Protocol- Dependent Modules EIGRP ... dành cho định tuyến EIGRP hỗ trợ authentication việc sử dụng tin mã hoá MD5 EIGRP classless routing protocol, có nghĩa gửi subnet mask thông tin định tuyến Đặc điểm cuối EIGRP không hỗ trợ IP ... động redistribution IGRP IGRP process có autonomous system b/ Reliable Transport Protocol Reliable Transport Protocol (RTP) qun lý việc phân phát packet EIGRP Reliable có nghĩa phân phát đảm...

Ngày tải lên: 12/12/2013, 17:15

... Routing Table Maintenance Protocol (RTMP) The IP implementation redistributes routes learned from OSPF, Routing Information Protocol (RIP), IS-IS, Exterior Gateway Protocol (EGP), or Border Gateway ... Interior Gateway Routing Protocol (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 ... 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...

Ngày tải lên: 18/01/2014, 05:20

... Interior 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 ... Interior Gateway Routing Protocol (EIGRP) Technical Overview of EIGRP EIGRP offers many advantages over other routing protocols, including the following: • Support for VLSM—EIGRP is a classless routing ... the primary path fails Protocol- Dependent Modules EIGRP is one of the few routing protocols that can work with multiple routed protocols Cisco implements what it calls protocol- dependent modules...

Ngày tải lên: 24/01/2014, 19:20

... trường Protocol number - IGRP sử dụng khái niệm Autonomous System (AS)_AS number vùng định tuyến có chung sách định tuyến, IGRP AS IGRP process domain_tập hợp router có chung routing protocol ... tự quản(autonomous system) Thông thường gateway router để Phần mềm Cisco IOS chọn đường số đường ngoại vi IGRP để làm gateway Router sử dụng đến đường gateway mạng đích mạng không kết nối trực ... tuyến đường bị đánh dấu không đến Tuyến đường giữ routing table quảng bá với thông tin tuyến không đến flush timer trôi qua, tuyến xoá khỏi routing table - Update timer IGRP gấp lần RIP, điều...

Ngày tải lên: 18/03/2015, 17:52

... subnet mask Vì routing protocol nhận routing update net khác (các network không kết nối trực tiếp), classfull routing protocol 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 routing protocol support VLSM ( ... default gateway Host A tạo gói tin ARP request MAC Host X với IP đích IP Host X, MAC đích MAC default gateway Khi Router gateway nhận gói tin Forward qua interface segment thích hợp, phần Datalink header...

Ngày tải lên: 07/09/2013, 15:00

... 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, ... Interior Gateway Protocols Versus Exterior Gateway Protocols Even though many unicast routing protocols were developed in the early days of the ARPANET (the predecessor to the Internet), Routing ... Gateway Protocol (EGP), the predecessor of the Border Gateway Protocol (BGP), which currently is considered obsolete, is also a classful protocol Table 1-3 Classful and Classless IP Routing Protocols...

Ngày tải lên: 16/10/2013, 12:15

... 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 We will now specify the default gateways for ... 10.1.2.100 and a netmask of 255.255.255.0 Use the two default gateways: 10.1.2.2 and 10.1.2.3 On the Web router, configure the default gateways 10.1.1.2 and 10.1.1.3: Web(config)#ip route 0.0.0.0 ... fast configured on them Try your ping again Does it work now? This is where HSRP (Hot Standby Routing Protocol) would be a perfect solution We currently have two IP addresses on each network used...

Ngày tải lên: 11/12/2013, 14:15

... Interior Routing Protocol Denise Donohue, Global Knowledge Instructor, CCIE #9566 Introduction Choosing an IP routing protocol is an important step The right protocol can make your routing operate ... paper, for those wishing more information on a particular protocol Routing 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...

Ngày tải lên: 17/01/2014, 06:20

... only need to run one routing protocol for all three instead of a separate routing protocol for each, definitely reducing your routing overhead The Cisco-proprietary EIGRP routing process uses ... 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: ... 222934-9 / Chapter 11 Configuring Advanced Routing Protocols The show ip protocols Command You can use the show ip protocols command to display the IP routing protocols that have been configured and...

Ngày tải lên: 18/01/2014, 04:20

... only need to run one routing protocol for all three instead of a separate routing protocol for each, definitely reducing your routing overhead The Cisco-proprietary EIGRP routing process uses ... 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: ... 222934-9 / Chapter 11 Configuring Advanced Routing Protocols The show ip protocols Command You can use the show ip protocols command to display the IP routing protocols that have been configured and...

Ngày tải lên: 18/01/2014, 04:20

... Classless Routing Protocol  Classless routing protocols include the subnet mask with the network address in their routing updates 17 Classless Routing Protocol  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...

Ngày tải lên: 23/02/2014, 09:20

... Routing Protocols Advantages of a Link-State Routing Protocol Requirements of a Link-State Routing Protocol Comparison of Link-State Routing Protocol Link-State Routing  Link-State Routing Protocols ... in the routing table 41 Implementing Link-State Routing  Advantages of a Link-State Routing Protocol  Requirements of a Link-State Routing Protocol  Comparison of Link-State Routing Protocol ...  Implementing Link-State Routing Protocols Advantages of a Link-State Routing Protocol Requirements of a Link-State Routing Protocol Comparison of Link-State Routing Protocol 51 ...

Ngày tải lên: 23/02/2014, 09:20

... subinterfaces Multiprotocol Label Switching (MPLS) virtual private networks (VPNs) Ethernet over Multiprotocol Label Switching (EoMPLS) Frame Relay Basics  Frame Relay Basics  A switched WAN technology ... 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 ... subinterface 21 EIGRP over MPLS  MPLS (Multiprotocol Label Switching) is an IETF standard  Combines the:  Advantages of Layer routing  Benefits of Layer switching  Short fixed-length labels are...

Ngày tải lên: 05/03/2014, 17:20

... troubleshooting commands include the following:  show ip protocols  show ip ospf  show ip ospf interface 43 Verifying OSPF R1# show ip protocols Routing Protocol is “ospf 1” OSPF Process ID Outgoing update ... Router ID  Verifying OSPF  Examining the Routing Table Topology  Notice that the addressing scheme is discontiguous  OSPF is a classless routing protocol  There are three serial links of ... 192.168.10.6 32 Verifying the Router ID show ip ospf can also be used (later) R1# show ip protocols Routing Protocol is “ospf 1” Outgoing update filter list for all interfaces is not set Incoming...

Ngày tải lên: 09/03/2014, 13:20

... cables are used for: Ÿ Switch- to-router Ÿ Hub-to-router Ÿ Switch- to-PC/server Ÿ Hub-to-PC/server l Crossover cables are used for: Ÿ Switch- to -switch Ÿ PC/server-to-PC/server Ÿ Switch- to-hub Ÿ Hub-to-hub ... Added to the Routing Table R2# undebug all All possible debugging has been turned off ! or ! R2# undebug ip routing IP routing debugging is off R2# l The debug ip routing displays routing table ... to the Routing Table l Devices on Directly Connected Networks l Cisco Discovery Protocol (CDP) l Using CDP for Network Discovery Routing Table Concepts R1# show ip route Gateway...

Ngày tải lên: 09/03/2014, 13:20

... Vector Routing Protocols Distance Vector Technology Routing Protocol Algorithms Routing Protocol Characteristics Network Discovery Cold Start Initial Exchange of Routing Information Exchange of Routing ... and TTL Distance Vector Routing Protocols Today RIP EIGRP Introduction to Distance Vector Routing Protocols Distance Vector Technology Routing Protocol Algorithms Routing Protocol Characteristics ... 11 Routing Protocol Algorithms The algorithm used by a particular routing protocol is responsible for building and maintaining the router’s routing table The algorithm used for the routing protocols...

Ngày tải lên: 09/03/2014, 13:20

... R1(config)# router ? bgp Border Gateway Protocol (BGP) egp Exterior Gateway Protocol (EGP) eigrp Enhanced Interior Gateway Routing Protocol (EIGRP) igrp Interior Gateway Routing Protocol (IGRP) isis ISO ... When compared to other interior gateway protocols, RIP is the leastpreferred routing protocol Note: This is irrelevant because you usually not run multiple routing protocols in the same domain, ... Classful Routing Protocol Background and Perspective RIPv1 Characteristics and Message Format RIP Operation RIPv1: Distance Vector, Classful Routing Protocol The first protocol used was Routing...

Ngày tải lên: 09/03/2014, 13:20

... 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 protocol ... compared to other routing protocols such as EIGRP, OSPF and IS-IS RIPv2, it is ideal for explaining the differences between a classful routing protocol (RIPv1) and a classless routing protocol (RIPv2) ... a classful routing protocol has these limitations RIPv1: Distance Vector, Classess Routing Protocol RIP Version (RIPv2) is defined in RFC 1723 RIPv2 is the first classless routing protocol discussed...

Ngày tải lên: 09/03/2014, 13:20

... chapter/curriculum Book: Routing Protocols and Concepts By Rick Graziani and Allan Johnson ISBN: 1-58713-206-0 ISBN-13: 978-58713206-3 Topics The Routing Table Structure Topology Routing Table Entries ... Classful and Classless Routing Behavior Classful Routing Behavior: no ip classless Classless Routing Behavior: ip classless The Routing Table Structure The Routing Table Structure Router# show ip route ... Directly connected networks Static routes Dynamic routing protocols The source of the route does not affect the structure of the routing table Sample Routing Table Entries Router# show ip route S...

Ngày tải lên: 18/03/2014, 14:20

... Interior Gateway Routing Protocol (EIGRP) Distance vector Classless routing protocol Released in 1992 with Cisco IOS Software Release 9.21 Enhancement of Cisco Interior Gateway Routing Protocol ... included in the routing updates, but it is not used to determine the routing metric 14 ProtocolDependent Modules EIGRP uses protocol- dependent modules (PDM) to route different protocols, including: ... classless routing protocol (includes the subnet mask in the routing update), it supports variable-length subnet masks (VLSM) and classless interdomain routing (CIDR) 49 Examining the Routing Table:...

Ngày tải lên: 18/03/2014, 14:20