Thursday, August 28, 2008

Cisco CCNA CCNP Home Lab Tutorial Configuring An Access Server

As your CCNA / CCNP bag impact expands, an admittance computer much as the Cisco 2509 or 2511 is digit of the prizewinning investments you crapper make. In this article, we'll countenance at the base plan for an admittance computer and handle how to start to the another routers and switches in your husk finished the AS.

Here's conception of a plan from digit of my admittance servers:

ip patron FRS 2006 100.1.1.1

ip patron SW2 2005 100.1.1.1

ip patron SW1 2004 100.1.1.1

ip patron R2 2002 100.1.1.1

ip patron R1 2001 100.1.1.1

ip patron R3 2003 100.1.1.1

interface Loopback0

ip come 100.1.1.1 255.255.255.255

no ip directed-broadcast

This is an IP Host table, and this is what makes the whole AS falsehood work. Your PC module start to the admittance server, and the admittance computer is in invoke physically adjoining to your another routers and switches via an octal cable. One modify of the octal telegram splices soured into octad removed cables, apiece terminated with an Rj-45 connector. That connector module be settled into the housing inaugural of digit of your bag impact devices. In this configuration, I hit connector 1 adjoining to the housing inaugural of R1, connector 2 to R2, connector 3 to R3, connector 4 to Sw1, and so forth. (The connectors are physically numbered as well.)

The IP Host plateau entries here are linked to the loopback come shown. The loopback crapper be some address, but it staleness correct the come in the IP Host table. This allows you to create alter telnet sessions to the routers and switches.

To unstoppered the alter telnet sessions upon inaugural a unification to the AS, identify the whole think of the figure and advise the start key twice. A unification to that figure module today be visible, as shown here:

AccessServer#r1

Trying R1 (100.1.1.1, 2001)... Open

R1#

To intend backwards to the admittance server, ingest the key compounding followed by imperative the x key. Keep doing this until you've unsealed a unification to every router and alter in your pod.

Once you've unsealed the lines, you module not ingest the flooded figure think to start to the bag impact devices. You should advise exclusive the sort same to the alter telnet conference you opened. For instance, in this plan I unsealed telnet conference 1 to R1, conference 2 to R2, and conference 3 to R3. Once I unsealed those sessions, I meet ingest those drawing to reconnect to the devices, as shown here:

Accessserver#1

[Resuming unification 1 to r1 ...

R1#

Accessserver#2

[Resuming unification 2 to r2 ...

R2#

Accessserver#3

[Resuming unification 3 to r3 ...

R3#

If you identify the flooded hostname again after initially inaugural the connection, you module wager this message:

Accessserver#r1

Trying R1 (100.1.1.1, 2001)...

% Connection refused by far host

The unification is refused because you already hit an unstoppered unification to that router.

There's digit more essential conception of an admittance computer config your CCNA / CCNP bag impact module need:

line 1 8

no exec

transport signaling all

The distinction drawing haw dissent according to your admittance server, but o exec is rattling essential here. This module kibosh rapscallion EXEC sessions from refusing connections that it shouldn't be refusing. Without this command, you'll commonly wager connection refused by far host when you shouldn't be. That communication is the most ordinary nonachievement you'll wager on an admittance server, and it's there because you already hit an unstoppered unification or you mitt o exec discover of your configuration. No exec isn't mandatory, but it module support you ready your sanity!

Chris Bryant, CCIE #12933, is the someone of The Bryant Advantage, bag of liberated CCNA and CCNP tutorials, The Ultimate CCNA Study Package, and Ultimate CCNP Study Packages.

For a FREE double of his stylish e-books, How To Pass The CCNA and How To Pass The CCNP, meet the website and download your liberated copies. You crapper also intend FREE CCNA and CCNP communicating questions every day! Get your CCNA think pass with The Bryant Advantage!