6.1 Static Routing Implementation: Static Routing (CCNA 2: Chapter 6)

Chapter 6: Objectives
Explain the advantages and disadvantages of static routing.
Explain the purpose of different types of static routes.
Configure IPv4 and IPv6 static routes by specifying a next-hop address.
Configure an IPv4 and IPv6 default routes.
Explain the use of legacy classful addressing.
Explain the purpose of CIDR in replacing classful addressing.
Design and implement a hierarchical addressing scheme.
Configure an IPv4 and IPv6 summary network address to reduce the number of routing table updates.
Configure a floating static route to provide a backup connection.
Explain how a router processes packets when a static route is configured.
Troubleshoot common static and default route configuration issues.

Chapter 6: Overview
Routing is at the core of every data network, moving information across an internetwork from source to destination.
Routers are the devices responsible for the transfer of packets from one network to the next.
Routers learn about remote networks either dynamically, using routing protocols or manually, or using static routes. In many cases, routers use a combination of both dynamic routing protocols and static routes. This chapter focuses on static routing.
Static routes are very common and do not require the same amount of processing and overhead as dynamic routing protocols.
In this chapter, we use sample topologies to configure IPv4 and IPv6 static routes and learn troubleshooting techniques. In the process, we examine several key IOS commands and the results they display. We introduce the routing table using both directly connected networks and static routes.
This chapter will also contrast classful routing and the widely implemented classless routing methods, while overviewing the Classless Inter-Domain Routing (CIDR) and the variable-length subnet mask (VLSM) methods.
CIDR and VLSM have helped conserve the IPv4 address space using subnetting and summarization techniques.

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