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November 21, 2009

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What is OSPF in networking?

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Asked By: Anonymous |

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It is an Internet routing protocol that scales well, can route traffic along multiple paths, and uses knowledge of an Internet's topology to make accurate routing decisions.

Create Date

Thursday, September 06, 2007

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networking, protocol, OSPF, Internet routing, multiple paths, Internet topology, route traffic

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None

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i need more question about vpn, ospf, bgp

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274

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What is ASBR ?

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Asked By: canoz |

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Autonomous System Boundary Router. ABR located between an OSPF autonomous system and a non-OSPF network. ASBRs run both OSPF and another routing protocol, such as RIP. ASBRs must reside in a nonstub OSPF area.

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Saturday, May 10, 2008

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CCNA, ASBR

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CISCO

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Network Engineer

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191

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What is designated router ?

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Asked By: sergeb |

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OSPF router that generates LSAs for a multiaccess network and has other special responsibilities in running OSPF. Each multiaccess OSPF network that has at least two attached routers has a designated router that is elected by the OSPF Hello protocol. The designated router enables a reduction in the number of adjacencies required on a multiaccess network, which in turn reduces the amount of routing protocol traffic and the size of the topological database.

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Saturday, May 10, 2008

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CISCO, CCNA

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None

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Network Engineer

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193

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What is ABR ?

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Asked By: lex03 |

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1) available bit rate. QOS class defined by the ATM Forum for ATM networks. ABR is used for connections that do not require timing relationships between source and destination. ABR provides no guarantees in terms of cell loss or delay, providing only best-effort service. Traffic sources adjust their transmission rate in response to information they receive describing the status of the network and its capability to successfully deliver data. Compare with CBR, UBR, and VBR.
2) area border router. Router located on the border of one or more OSPF areas that connects those areas to the backbone network. ABRs are considered members of both the OSPF backbone and the attached areas. They therefore maintain routing tables describing both the backbone topology and the topology of the other areas.

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Saturday, April 26, 2008

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CCNA, ABR

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Cisco

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Network Administrator

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100

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What is CSNP ?

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Asked By: lex03 |

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complete sequence number PDU. PDU sent by the designated router in an OSPF network to maintain database synchronization.

Create Date

Saturday, April 26, 2008

Tags

cisco, CCNA, CSNP

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None

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Network Administrator

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217

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What is the Difference b/w routing protocol and routed protocol?

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Asked By: naresh |

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Routed protocol--> Monitor the traffic of the network. (IP, IPX).Any protocol that provides enough information in its network layer adress to allow a packet to be forwarded from host to host base on the adressing scheme.Routed protocols define the format and use of the fields within a packet.Packets generally are conveyed from end system to end system.The Internet protocol(IP) is an example of a routted protocol.

Routing protocol--> Taking the routin. information from one node to another node of network. (RIP , OSPF). Support a routed protocol by providing mechanisms for sharing routing information.Routing protocol messages move between routers.A routing protocol allows the routers to communicate with other routers to update and maintain tables.Examples of routing protocols are Routing Information,Enterior gateway routing protocol(IGRP),Enhanced Interior Gateway Routing Protocol(EIGRP),and open shortest Pathe first(OSPF).

Create Date

Thursday, March 20, 2008

Tags

security, routing protocol, routed protocol

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None

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security

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