configuring routers
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Configuring Routers. I’ve got to program a router! . What do I have to do. Log on to the router. Router> Router>enable Router# Router#config t. Config t is the place to be!. Name the router!. Step One. Router(config)#hostname Lab-A. Lab-A.

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PowerPoint Slideshow about ' Configuring Routers' - walker-ortiz


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Presentation Transcript
log on to the router
Log on to the router

Router>

Router>enable

Router#

Router#config t

Config t is the place to be!

name the router
Name the router!

Step One

Router(config)#hostname Lab-A

Lab-A

password protect the privilege mode
Password protect the Privilege Mode

Step Two

Lab-A(config)#enable secret class

Commands

Password

Results in:

enable secret 5 $1$emBK$WxqLahy7YOAf0nifub

configure the interfaces
Configure the Interfaces

Step Three

Lab-A(config)#interface serial0

Lab-A(config-if)#

(Note prompt change)

address the interface s0
Address the Interface(S0)

Lab-A(config-if)#ip address 201.100.11.1 255.255.255.0

Ip address

Subnet mask

S0=201.100.11.1

clock ticks must be set between routers on the interface with the serial cable dce end
Clock ticks MUST be set between routers on the interface with the serial cable DCE end.

Serial0 is where the DCE connects in our lab.

we use serial0
We use Serial0
  • Lab-A(config-if)#clock rate 56000
address the next interface e0
Address the next Interface (E0)

Lab-A(config-if)#interface ethernet0

(This changes to program interface e0)

Lab-A(config-if)#ip address 192.5.5.1 255.255.255.0

E0=192.5.5.1

S0=201.100.11.1

control z
Control z

Lab-A#

Lab-A#show running-config

like people routers have to talk to one another1
Like people, routers have to talk to one another!

Step Four

Set up routing protocols

routing protocols
Routing Protocols:

RIP RIPv2

IGRP EIGRP

OSPF

set up the routing protocol
Set up the routing protocol

Lab-A(config)#router rip

Lab-A(config-router)# version 2

Lab-A(config-router)#network 192.5.5.0

Lab-A(config-router)#network 201.100.11.0

(Note prompt change)

slide16
Note!
  • You have to configure for EACH network
  • (remember network # is the “wire” #)
  • Each network is on a separate line
  • Hit Control z to activate and return to:
  • Lab-A#
control access
Control Access

Control and secure access from:

CONSOLE

VTY (telnet)

AUX (modem)

control access1
Control Access

Step Five

Lab-A(config)#line console 0

Lab-A(config-line)#password cisco

(Note prompt change)

Lab-A(config-line)#login

continue
Continue

Lab-A(config)#line vty 0 4

Lab-A(config-line)#password cisco

Lab-A(config-line)#login

create a host file
Create a host file

Lab-A(config)#ip host Lab-A 192.5.5.1 205.7.5.1 201.100.11.1

Lab-A(config)#ip host Lab-B 219.17.100.1 199.6.13.1 201.100.11.2

Lab-A(config)#ip host Lab-C 223.8.151.1 204.204.7.1 199.6.13.2

Lab-A(config)#ip host Lab-D 210.93.105.1 204.204.7.2

Lab-A(config)#control z

turn on the interfaces
Turn on the interfaces:

Step Seven

  • Lab-A(config)#interface s0
  • Lab-A(config-if)#no shutdown
  • Lab-A(config-if)#interface e0
  • Lab-A(config-if)#no shutdown
check and save your configuration step 8
Check and save your configuration (Step 8)
  • Router#show run (Check)
  • Router#copy run start (Save)
let s review
Let’s Review:
  • Step 1 – name router
  • Hostname xxxxx
  • Step 2 – set “privilege” password and encode it
  • Enable secret xxxxx
  • Step 3 – configure interfaces
  • Interface sX (or eX)
slide25

Let us review

  • Step 4 – Set the routing protocols
  • Router rip
  • Step 5 – Set who and where access comes from
  • Line console (vty)
  • Step 6 – Create a host file
  • Ip host xxx.xxx.xxx yyy.yyy.yyy
  • Step 7 – Turn on interfaces
  • Router(config-if)#no shutdown
step 8 check and save your work
Step 8:Check and Save your work!
  • Check your config
  • Router#show run
  • Save your configuration from RAM to NVRAM
  • Router#copy run start
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