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Open Shortest Path First - Wikipedia


Open Shortest Path First (OSPF) is a routing protocol for Internet Protocol (IP) networks. It uses ... OSPF is perhaps the most widely used interior gateway protocol (IGP) in ... or TCP, but encapsu...

CCNA 1 v5 Pretest Exam Answers | CCNA5.NET Exam Answers


Nov 12, 2013 ... Which command can be used to test connectivity between two .... Which basic process is used to select the best path for forwarding data?

CCNA 2 Routing and Switching v5.0 Chapter 4 - SlideShare


Oct 24, 2014 ... Path Determination Best Path Best path is selected by a routing .... information in data packets to make forwarding decisions in a small- to ... Explain the encapsulation and de-encapsulation process used by ... Basic Settings on a Router Configure Basic Router Settings Basics ..... Select another clipboard ...

How TCP/IP Works: TCP/IP - TechNet - Microsoft


Mar 28, 2003 ... UDP is used when the amount of data to be transferred is small (such as ... in the TCP/IP protocol suite rely on the basic services provided by the ...... Routing is the process of forwarding a packet based on the destination IP address. .... network ID), the router uses the lowest metric to select the best route.

Nexus 7000 FabricPath - Cisco


Mar 17, 2016 ... Spanning Tree Creates Suboptimal Forwarding Paths ... FabricPath IS-IS - SPF routing protocol process that forms the core of ... U2RIB - Unicast Layer 2 RIB, containing the “best” unicast Layer 2 ... Basic FabricPath Data-Plane Operation .... and the sSID is used by default to select the outgoing port instead.

What is routing table? - Definition from WhatIs.com


A basic routing table includes the following information: Destination: The IP address of the ... Please select a category ... A routing table is a set of rules, often viewed in table format, that is used to determine where data packets traveling ... information necessary to forward a packet along the best path toward its destination.

Routing Databases Overview - Technical Documentation - Support ...


To understand this topic, you need a basic understanding of IP addressing and ... The Junos OS routing table is used by the routing protocol process to ... Traffic is routed between or through the networks as data is passed from host to host. ... the possible paths a packet can take, the forwarding table is a list of only the best  ...

There are many ways to describe and analyze data communications ...


Routing is the process that allows data to travel from location to location. ... contain that information, it will know the address of another router to forward the request to. ... All networks provide the same basic functions to transfer a message from ..... between any two routers, the algorithms are used to select the best paths .

MPLS for Dummies - Nanog


most basic features turned on, and may not fully utilize it. • But, MPLS ... MPLS is best summarized as a .... LDP is typically used by MPLS VPN (data transport) services. ... One pass through the forwarding path to pop the label. ..... The optimization process will re-compute the LSP paths. .... then select the shortest path from.

1. Basic Switch Operation - Ethernet Switches [Book] - Safari


Basic Switch Operation What an Ethernet Switch Does Ethernet switches link ... Frames travel over Ethernet networks, and the data field of a frame is used to carry ... is used by the switch to make a packet forwarding decision in a process called ..... the information it needs to identify the best paths and block all other paths.

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R1 will drop the packet because R1 does not have a specific route in its routing table to the network. R1 will forward the packet to its default gateway,  ...

OSPF Implementation > Establishing OSPF Neighbor Relationships


Feb 3, 2015 ... To calculate the best path, OSPF uses the shortest path first (SPF) or Dijkstra's algorithm. ... characteristics of the OSPF protocol and configure its basic features. .... To enable the OSPF process on the router, use the router ospf ... interface that is used to select it changed its operational state or its IP add...

Troubleshooting TCP/IP - Cisco Systems


DARPA used a four-layer model instead, which the OSI later expanded to seven layers. ... Total Length—Specifies the length of the entire IP packet, including data and .... Each node's involvement in the routing process consists only of forwarding .... Cisco routers provide a basic method of viewing IP traffic switched through ...