distance vector and link state routing protocols ppt

Ngày tải lên: 28/07/2014, 18:21

... 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 ... administrator to determine the metric ã Usually, OSPF cost=10 8 /bandwidth Do not forget to configure the bandwidth` bandwidth` command on serial links to ensure correct default OSPF cost 43 OSPF Configuration...

Ngày tải lên: 06/03/2014, 07:20

Ngày tải lên: 27/08/2014, 15:47

Ngày tải lên: 01/08/2014, 18:20

Ngày tải lên: 07/07/2014, 00:20

Ngày tải lên: 28/07/2014, 18:21

... v2.05-11 Summary ã Link- state routing uses LSAs, a topological database, the SPF algorithm, the resulting SPF tree, and a routing table of paths and ports to each network. ã Link- state routing algorithms ... pass small event-triggered link- state updates to all other routers Link- State Routing Protocols © 2002, Cisco Systems, Inc. All rights reserved. ICND v2.0—5-6 Link- State Routing Protocol Algorithms ... a network. ã Link- state routing may flood the network with LSAs during initial topology discovery and can be both memory- and processor-intensive. ã Balanced hybrid routing protocols combine...

Ngày tải lên: 17/02/2014, 08:20

... state of each directly connected link. Implementing Link- State Routing  Advantages of a Link- State Routing Protocol  Requirements of a Link- State Routing Protocol  Comparison of Link- State ... 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 states every 30 ... Link- State Routing Protocol Note: Chapter 11 discusses the implementation and configuration of a link- state routing protocol, OSPF. 46 Hierarchical Design  Link- state routing protocols such...

Ngày tải lên: 23/02/2014, 09:20

... mask. OSPF Hello and Dead Intervals More later 16 OSPF LSUs  Link- State Updates (LSU) are the packets used for OSPF routing updates.  Can contain 11 different types of LSAs (Link- State Advertisements) ... OSPF router maintains a link- state database containing the LSAs received from all other routers.  When a router has received all the LSAs and built its local link- state database, OSPF uses ... network Command  The network command (same function as when used with other IGP routing protocols) :  Any interfaces on a router that match the network address in the network command will be...

Ngày tải lên: 09/03/2014, 13:20

... to Distance Vector Routing Protocols  Distance Vector Technology  Routing Protocol Algorithms  Routing Protocol Characteristics  Network Discovery  Cold Start  Initial Exchange of Routing ... default 30-second interval. 7 Meaning of Distance Vector  Distance vector (repeat)  Routes are advertised as vectors of distance and direction.  Distance is defined in terms of a metric  ... pitfalls, and  Remedies to these pitfalls  Understanding the operation of distance vector routing is critical to enabling, verifying, and troubleshooting these protocols. 13 Routing Protocol...

Ngày tải lên: 09/03/2014, 13:20

Ngày tải lên: 18/03/2014, 14:20

Ngày tải lên: 05/07/2014, 03:20

Ngày tải lên: 05/07/2014, 03:20

Ngày tải lên: 07/07/2014, 00:20

Ngày tải lên: 01/08/2014, 18:20

... clear command only clears dynamic routes: static and connected routes cannot be cleared from the routing table with this command. The show ip protocols Command The show ip protocols command displays ... 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 ... your router sends and receives, use the debug ip igrp events command. The show ip protocols command displays information about the IP routing protocols currently configured and running on your...

Ngày tải lên: 18/01/2014, 04:20

... to the advancement of modern molecular biology and new available equipments and techniques, and we begin to understand the molecular pathways and cellular interaction in the process of heart ... step-by-step protocols for both beginner and experience scientist in the fi eld of cardiovascular development research. Cardiovascular development: methods and protocols cover many new state- of-the-art ... induction, rightward looping, chamber formation, and maturation. Heart and vascular developments are sophisticated processes and new information expanded very quickly. It is not diffi cult to fi...

Ngày tải lên: 12/02/2014, 16:20

... 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 issues ... 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

... (which happens in 2 The mean, median, standard deviation and histogram of the overlapping distribution are calculated and included as features. 58 this case), and a simple iterative procedure called Mapping-Convergence ... text in the SCU label and all its contributors is stemmed and stop words are removed, obtaining a set of stem vectors for each SCU. The system summary text is also stemmed and freed from stop words. ... environment predi- cates in the sentence and those in the query. ã Two similarity metrics calculated by expanding the query words using Google. ã SumFocus score (Vanderwende et al., 2006). The cohesion-based...

Ngày tải lên: 20/02/2014, 12:20