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adhoc routing protocols comparison

bài viết về routing protocols cho cấp độ ccna

bài viết về routing protocols cho cấp độ ccna

... 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 ... cùng một subnet mask duy nhất. Vì khi các routing protocol nhận các routing updatevề các net khác (các network không kết nối trực tiếp), thì các classfull routing protocol sẽlấy giá trị subnet ... trao đổi các topology bên cạnh với nhau update vào routing table, tính giải thuật đường đi lớnnhất và chiếm nhiều bộ nhớ (link state routing protocols OSPF, NLSP, IS-IS). A, khi Host...
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Troubleshooting IP Routing Protocols (CCIE® Professional Development)

Troubleshooting IP Routing Protocols (CCIE® Professional Development)

Chứng chỉ quốc tế

... the characteristics and classification of various IP routing protocols. Although all routing protocols have a common goal of gathering routing information to support packet-forwarding decisions, ... "Understanding IP Routing& quot;— This chapter provides an overview of IP routing protocols with focus on the following topics:- IP addressing concepts- Static and dynamic routes- Dynamic routing - Routing ... distance vector protocols and link-state protocols. Distance Vector Routing ConceptsThis section reviews key concepts that underlie the operation of distance vector routing protocols, such...
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Tài liệu Configuring Advanced Routing Protocols doc

Tài liệu Configuring Advanced Routing Protocols doc

Quản trị mạng

... back:■Update Contains a routing update■Query Asks a neighboring router to validate routing information■Reply Responds to a query message26Chapter 11: Configuring Advanced Routing Protocols CertPrs8 ... packetThe following sections cover these commands.The show ip protocols CommandThe show ip protocols command displays all of the IP routing protocols thatyou have configured and are running on your ... Also, classless protocols include the subnet mask value along withthe route when advertising routing information: distance vector protocols donot include the subnet mask in their routing updates.D:\omh\CertPrs8\934-9\ch11.vpMonday,...
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Tài liệu Configuring Advanced Routing Protocols pdf

Tài liệu Configuring Advanced Routing Protocols pdf

Quản trị mạng

... printer profileComposite Default screenThe show ip protocols CommandYou can use the show ip protocols command to display the IP routing protocols that have been configured and are running on ... packetThe following sections cover these commands.The show ip protocols CommandThe show ip protocols command displays all of the IP routing protocols thatyou have configured and are running on your ... 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 protocol,...
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Tài liệu Routing Protocols and Concepts: Chapter 6 pot

Tài liệu Routing Protocols and Concepts: Chapter 6 pot

Quản trị mạng

... AddressesChapter 6 VLSM and CIDR Routing Protocols and Concepts17Classless Routing ProtocolClassless routing protocols include the subnet mask with the network address in their routing updates.44Route ... and 172.30.3.0/24) as 172.30.0.0.R3 applies the /8 mask (classful routing protocol)8Classful Routing Protocol Routing protocols, such as RIPv1, only needed to propagate the network address, ... with the route in the routing table.A classless routing protocol includes the subnet mask with the network address in the routing update.40CIDRClassless interdomain routing (CIDR) is a...
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Tài liệu Routing Protocols and Concepts: Chapter 10 ppt

Tài liệu Routing Protocols and Concepts: Chapter 10 ppt

Quản trị mạng

... link.Implementing Link-State Routing  Advantages of a Link-State Routing Protocol Requirements of a Link-State Routing Protocol Comparison of Link-State Routing ProtocolNote: Chapter ... 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 own link ... link-state routing protocol, OSPF. 46Hierarchical Design Link-state routing protocols such as OSPF and IS-IS use the concept of areas. Better route aggregation (summarization) Isolation of routing...
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CIS 185 Advanced Routing ProtocolsEIGRP Part 2 pot

CIS 185 Advanced Routing Protocols EIGRP Part 2 pot

Quản trị mạng

... 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...
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Routing Protocols and Concepts: Chapter 11 ppt

Routing Protocols and Concepts: Chapter 11 ppt

Quản trị mạng

... network command OSPF Router ID  Verifying OSPF Examining the Routing Table 44Verifying OSPFR1# show ip protocols Routing Protocol is “ospf 1” Outgoing update filter list for all interfaces ... nssa Maximum path: 4 Routing for Networks: 172.16.1.16 0.0.0.15 area 0 192.168.10.0 0.0.0.3 area 0 192.168.10.4 0.0.0.3 area 0 Reference bandwidth unit is 100 mbps Routing Information Sources: ... used for OSPF routing updates. Can contain 11 different types of LSAs (Link-State Advertisements) (CCNP)At times, these terms are used interchangeably. 50Examining the Routing TableR2#...
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Routing Protocols and Concepts: Chapter 2 pot

Routing Protocols and Concepts: Chapter 2 pot

Quản trị mạng

... Added to the Routing Tablel The debug ip routing displays routing table processes for any route, Ÿ directly connected networkŸ static routeŸ dynamic route.l Disable debug ip routing by either:Ÿ ... debug ip routing by either:Ÿ undebug ip routing Ÿ undebug allR2# undebug allAll possible debugging has been turned off!or!R2# undebug ip routing IP routing debugging is offR2#1818Unsolicited ... to display the routing table. l Initially, the routing table is empty if no interfaces have beenconfigured.l Note: Static routes and dynamic routes cannot be added to the routing table until...
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Routing Protocols and Concepts: Chapter 4 pptx

Routing Protocols and Concepts: Chapter 4 pptx

Quản trị mạng

... receivesreceives33 Routing Table Maintenance Routing protocols must maintain the routing tables so that they have the most current routing information. How?  Depends on:  Type of routing protocol ... Exchange of Routing Information Routing Table Maintenance Periodic Updates Bounded Updates Triggered Updates Random Jitter Routing Loops Defining a Routing Loop Implications of Routing ... Distance Vector Routing Protocols  Distance Vector Technology Routing Protocol Algorithms Routing Protocol Characteristics Network Discovery Cold Start Initial Exchange of Routing Information...
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Routing Protocols and Concepts: Chapter 5 doc

Routing Protocols and Concepts: Chapter 5 doc

Quản trị mạng

... Provides access to configure routing protocol settings.  No routing updates are sent until additional commands are configured.  no router rip To remove the RIP routing process from a device ... network in RIP routing updates sent to other routers every 30 seconds.Router(config-router)# networkdirectly-connected-classful-network-address12IP Address Classes and Classful Routing  RIPv1: ... networkdirectly-connected-classful-network-address12IP Address Classes and Classful Routing  RIPv1: Classful routing protocol.  Does not send subnet mask in update.  A router either uses the subnet mask:...
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Routing Protocols and Concepts: Chapter 7 potx

Routing Protocols and Concepts: Chapter 7 potx

Quản trị mạng

... an IP address. Specific purposes with some routing protocols such as OSPF (later) A loopback interface can be: pinged  subnet advertised in routing updates.  Ideal for simulating multiple ... Use of hold-down and other timers to help prevent routing loops Use of split horizon and split horizon with poison reverse to also help prevent routing loops Use of triggered updates when there ... Null021Examining the Routing Tables R2 has two equal-cost routes to the 172.30.0.0/16 network.  R1 and R3 are sending R2 a RIPv1 update for the 172.30.0.0 network with a metric of 1 hop.  R2’s routing...
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Routing Protocols and Concepts: Chapter 8 doc

Routing Protocols and Concepts: Chapter 8 doc

Quản trị mạng

... parent route9Sample Routing Table Entries The routing table hierarchy in Cisco IOS software was originallyimplemented with the classful routing scheme.  Although the routing table incorporates ... the routing table, the router drops the packet.The Route Lookup Process Routing Table35Step 1b.  If the best match is a level 1 parent route, proceed to Step 2The Route Lookup Process Routing ... route in the routing table, a minimum number of leftmost bits must match between the IP address of the packet and the route in the routing table.  The subnet mask of the route in the routing table...
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Routing Protocols and Concepts: Chapter 3 docx

Routing Protocols and Concepts: Chapter 3 docx

Quản trị mạng

... 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 ... 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 ... by EIGRP.  The MTU is included in the routing updates, but it is not used to determine the routing metric.6Introduction to EIGRP The term hybrid routing protocol is sometimes used to define...
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Routing Protocols and Concepts: Chapter 3 pptx

Routing Protocols and Concepts: Chapter 3 pptx

Quản trị mạng

... TableR1’s Routing TableR3’s Routing Table23Classful Routing Protocols  Classful routing protocols do not send subnet mask information in routing updates.  The first routing protocols, ... address.16Distance Vector and Link-State Routing Protocols  Interior gateway protocols (IGP) can be classified as two types: Distance vector routing protocols  Link-state routing protocols  They work in ... system Exterior gateway protocols (EGP):  Used for inter-autonomous system routing  Routing between autonomous systems43Verifying AD:show ip protocols R2# show ip protocols Routing Protocol is...
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