Cisco 2501 - Router - EN Uživatelský manuál stáhnout pdf (Strana 2)

The time has come to introduce you to the Cisco Internetwork

Operating System (IOS). The IOS is what runs Cisco routers as

well as Cisco’s switches, and it’s what allows you to configure

the devices as well.

So that’s what you’re going to learn about in this chapter. I’m going to show you how to

configure a Cisco IOS router using the Cisco IOS command-line interface (CLI). When you

become proficient with this interface, you’ll be able to configure hostnames, banners, pass-

words, and more, as well as troubleshoot using the Cisco IOS.

From there, we’ll take a peek at Cisco’s Security Device Manager (SDM) and you’ll find

out how to set up a secure HTTPS session to a router to provide the same types of configura-

tions. The SDM really becomes a much more powerful tool in more advanced topics because

it makes configuring access lists, virtual private networks (VPNs), and IP Security (IPSec) a

snap, but first, you need to learn the basics of Cisco’s IOS.

I’m also going to get you up to speed on the vital basics of router configurations and

command verifications. Here’s a list of the subjects we’ll be covering in this chapter:

Understanding and configuring the Cisco Internetwork Operating System (IOS)

Connecting to a router

Bringing up a router

Logging into a router

Understanding the router prompts

Understanding the CLI prompts

Performing editing and help features

Gathering basic routing information

Setting administrative functions

Setting hostnames

Setting banners

Setting passwords

Setting interface descriptions

Performing interface configurations

Viewing, saving, and erasing configurations

Verifying routing configurations

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Cisco 2501 - Router - EN Uživatelský manuál Strana 2