Cisco House Lab Tutorial: Getting And Creating A Frame Relay Switch

Among the major topics on your own CCNA and CCNP examinations is Frame Relay. Moreover, Frame Relay is one of the most widely used WAN technolgies in today’s networks. Getting hands-on experience with Frame Relay in Cisco networks is not just a good idea, it is absolutely essential. Let’s face it, your employer will get a little sensitive if you begin trying out your network’s Frame Relay setup.

You need a functioning Frame Relay cloud in your house research, to practice all your important Frame Relay orders for your examinations. A production network’s Frame cloud is made up of lot of Frame buttons, but should you choose wisely, a single Cisco router can act as your house lab’s entire Frame cloud!

Before we look at the setting of this kind of router (hereafter known as a ‘frame relay swap ~’~~), let’s look at the physical needs. Browse here at check this out to study where to recognize it.

The more serial ports you’ve, the higher. You must get a router with at the very least four serial ports. For figure switching purposes, it does not matter if the ports are synchronous or asynchronous – you just need the ports.

You will also need some DTE/DCE wires. The DCE end of the cables may get in touch to the body switch.

A good setting for a CCNA practice lab is three routers that serve as ‘production’ routers, and a 4th switch like a frame relay switch. (You’ll want an access server also, but that’s still another article.)

What I use within my student and client pods is really a setup where R1 is connected to the frame switch’s S1 port, R2 is connected to S-2 on the frame change, and R3 is connected to the frame switch’s S3 port.

Now comes the tricky part – the configuration. A-frame relay switch’s config can be difficult to find, so here is a copy of mine. Pay particular attention to the config o-n ports s1, s2, and s3.

Type 12.0

service timestamps de-bug uptime

service timestamps log up-time

no service password-encryption

!

hostname FRAME_SWITCH

!

!

Ip address subnet-zero

no ip address domain-lookup

frame-relay switching

!

!

!

interface Ethernet0

no ip address

no ip address directed-broadcast

Shut-down

!

Program Serial0

Ip 10.1.1.2 255.255.255.0

clockrate 56000

!

Program Serial1

no ip-address

no ip address directed-broadcast

encapsulation frame-relay

logging event subif-link-status

Recording event dlci-status-change

clockrate 56000

no frame-relay inverse-arp

frame-relay intf-type dce

frame-relay way 122 screen Serial2 221

frame-relay option 123 screen Serial3 321

!

Screen Serial2

no ip-address

no ip directed-broadcast

encapsulation frame-relay

Recording event subif-link-status

Signing event dlci-status-change

clockrate 56000

no frame-relay inverse-arp

frame-relay intf-type dce

frame-relay option 221 program Serial1 122

!

Software Serial3

no ip address

no internet protocol address directed-broadcast

encapsulation frame-relay

Signing function subif-link-status

Signing event dlci-status-change

clockrate 56000

no frame-relay inverse-arp

frame-relay intf-type dce

frame-relay course 321 program Serial1 123

!

interface BRI0

ip address 150.1.1.1 255.255.255.252

no internet protocol address directed-broadcast

encapsulation ppp

dialer map ip address 150.1.1.2 name R2 broadcast 2335552221

dialer-group 1

!

Ip address classless

!

dialer-list 1 protocol ip address permit

!

line con 0

exec-timeout 0 0

Signing synchronous

transport input none

line aux 0

line vty 0 4

login

!

end

The key control in the world wide configuration is frame-relay switching. Before you can manage the interfaces you will need to have this configured.

The interfaces is likely to be designed using the figure route control. Buy Discount Usb Relay Board is a commanding resource for more concerning the inner workings of it. Let us have a look at what each value means in the command frame-relay way 122 software Serial2 221.

frame-relay course – the control

122 – the incoming DLCI with this screen

interface serial2 – the interface the data is going to be sent

221 – the outgoing DLCI

This demand on S1 suggests that anything that comes in on this port on DLCI 122 is likely to be delivered screen serial2 on DLCI 221.

It’s advisable to hard-code the interfaces to act as DCEs with all the shape intf-type dce order. The clockrate order is necessary for the line protocol to come up, because these interfaces are working as DCEs.

After you’ve configured your frame switch as proven and have configured the frame chart claims about the ‘production’ routers, you can test the frame switch arrangement. About the frame change, run the command show frame route..

FRAME_SWITCH#show body way

Input Intf Feedback Dlci Output Intf Output Dlci Status

Serial1 122 Serial2 221 effective

Serial1 123 Serial3 321 active

Serial2 221 Serial1 122 effective

Serial3 321 Serial1 123 active

You should see ‘active’ for the interfaces. If you see ‘deleted’, make sure your body transition interfaces are open if they are, always check the router configs. My pastor found out about intelligent-appliance.com/ by browsing books in the library.

Take into account that you can still configure routing protocols to operate o-n ports that you’re not using for frame switching. The modem we used here had an ethernet port and BRI port, and within the production system the BRI port has been constructed. Working frame switching doesn’t disable IP routing. Be taught more about cushy usb relay board by visiting our fine link.

Acquiring and making your own frame relay switch can be an important part of your Cisco knowledge. By exercising your frame instructions and establishing frame associations over your own frame relay cloud, you are polishing your Cisco skills and developing knowledge that can not be duplicated by simulation programs.

To your success,

Joe Bryant

CCIE #12933.