Join Greg Sowell for an in-depth discussion in this video Distance vector, part of Foundations of Networking: Network Media (WANs).
- [Voiceover] Distance vector was one of the first dynamic…routing methods.…Routes are advertised as vectors of distance and direction.…For each route, the metric used is distance…while direction is defined as the next top router…to reach the destination.…The distance is defined as how many hops…or routers that must be traversed to reach…a destination.…Each router will pass on it's distance to reach various…destinations to all of it's neighbors.…It's for this reason that distance vectors process…of sharing routes is often referred to as…routing by rumor.…
By default, most distance vector protocols…send periodic updates with their entire route table…to neighbors.…These updates are sent whether they…are necessary or not.…This can lead to obvious inefficiencies.…These periodic updates are sent to neighbors…which are adjacent routers participating…in the same dynamic routing protocol.…Neighbor discovery happens when a router first…powers up or the dynamic protocol is activated.…The simplest method is to send out…a broadcast on the network.…
He discusses different WAN technologies and features such as speeds, spans, and price points—including inexpensive options such as VPN. He then covers switches (the devices that connect computers in your building) and routers (devices that control the transmission of network data). Along the way, Greg shows how to build private connections, implement free networking over the Internet, build switch networks, and overlay-routed networks. He'll also introduce different routing protocols, such as OPSF link-state routing and distance-vector routing with RIPv2, EIGRP, and BGP.
Note that this course maps to domains 1 and 2 of the Microsoft Technology Associate (MTA) Networking Fundamentals certification exam (98-366).
- Understanding the technology: from dial-up to VPNs
- Working with hubs, bridges, and switches
- Ensuring hardware redundancy
- Using switching types and MAC tables
- Preventing bridge loops with STP
- Routing with routing tables
- Using NAT
- Securing your switches and routers
- Setting up firewalls
- Working with different routing protocols: RIPv2, OSPF, EIGRP, and more
Skill Level Beginner
Foundations of Networking: Network Media (LANs)with Greg Sowell1h 7m Intermediate
1. WAN Technologies
4. Routing Protocols
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