Cisco 2501 - Router - EN Bedienungsanleitung PDF herunterladen (Seite 5)

The IOS User Interface

183

F I G U R E 4 . 2

A Cisco 2600 router

The 2600 series router can have multiple serial interfaces, which can be used for connecting

a T1 or Frame Relay using a serial V.35 WAN connection. Multiple Ethernet or FastEthernet

ports can be used on the router, depending on the model. This router also has one console and

one auxiliary connection via RJ-45 connectors.

Another router I want to talk about is the 2800 series (shown in Figure 4.3). This router has

replaced the 2600 series router series and is referred to as an Integrated Services Router (ISR).

It gets its name because many of the services, like security, are built into it. It’s a modular

device like the 2600, but it’s much faster and a lot more sleek—it’s elegantly designed to

support a broad new range of interface options.

F I G U R E 4 . 3

A Cisco 2800 router

I mentioned that security is built in—the 2800 has the Security Device Manager (SDM) pre-

installed. The SDM is a Web-based device-management tool for Cisco routers that can help you

configure a router via a web console. I’ll cover that later in this chapter. You need to keep in

mind that for the most part, you get some serious bang for your buck with the 2800—unless you

start adding a lot of interfaces to it. You’ve got to pony up for each one of those little beauties,

and things can really start to add up—fast!

There are a couple of other series of routers that are less expensive than the 2800 series: the

1800 and 800 series. You may want to look into these routers if you’re looking for a less-expensive

alternative to the 2800 but still want to run the same 12.4 IOS and the latest SDM.

Figure 4.4 shows an 1841 router that holds most of the same interfaces as the 2800, but it’s

smaller and less expensive. The real reason you would opt for a 2800 instead of an 1800 series

router comes down to the more advanced interfaces you can run on the 2800—things like the

wireless controller and switching modules.

F I G U R E 4 . 4

A Cisco 1841 router

Cisco 2610 router

ETHERNET 0/0

LINK ACT

LOCK

BACK

CONSOLE AUX

CISCO 2610

100–240VAC

1.2–0.6A

Console port (RJ-45)

Ethernet 0/0

10BaseT port (RJ-45) Auxiliary port (RJ-45)

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