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Cisco Configmaker

This is an old software that can generate configuration for low and medium cisco product. If you are a beginer, you will love it. All simple config can be generated easily with drag and drop style.

Download here:
Old windows platform click here.
Windows XP platform click here.

Popularity: 47%

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Cisco Basic Command

enable
Enables higher privilege level access, such as privileged EXEC mode.
At this level you can configure your cisco device without restriction.
Prompt will change from > to #

Example:
Router> enable
Password: [type password and enter]
Router#

disable or exit
Log out from privileged EXEC mode and go to user mode.

Example:
Router# exit
Router>

show running config
Display running configuration.

Example:
Router# show running config

show startup config
Display saved config that load every time cisco startup.

Example:
Router# show startup config

enable secret new password
Create new password to access privileged EXEC mode.

Example:
Router# enable secret mysecretword

configure terminal
Change to Global config mode.
In this mode you can configure entire interface.

Example:
Router# configure terminal
Router(config)#

interface interface name and number
Go to interface setup.

Example:
Router(config)# interface fast 0
Router(config-if)#

ip address ip_number musk_number
Assign an ip address to related interface.

Example:
Router(config-if)#ip address 192.168.10.1 255.255.255.0
Router(config-if)#

no shutdown
Activate related interface.

Example:
Router(config-if)#no shutdown
[message of interface change status appear]

ip route remote_network musk_filter ip_wan_interface_remote_router
Create a static routing. This coomand assign at Global config mode.

Router(config-if)#exit
Router(config)# ip route 192.168.100.0 255.255.255.0 10.10.10.2

copy running start
Saved existing configuration to flash memory.

Router(config)#copy run start
[answer yes for the question]

?
Display all related command. Please do some experiment with this command.

Example:
Router>?
or
Router#?
or
Router#show ?
or
Router#configure ?

Popularity: 37%

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Console Cable

Console cable usually shipped with cisco device. This cable pluged to PC serial port (RS232 connector) and Cisco console port (RJ45 connector).

Or

 +

No additional accessories needed, with this cable your cisco console can be access and appear in your PC/Windows Hyper Terminal.

Popularity: 31%

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Cisco Password Recovery Procedures

Requirement:
- Windows Hyper Terminal connection to console port. 

Cisco 806, 826, 827, 828, 831, 836 and 837 Series Routers

• Use the power switch in order to turn off the router, and then turn the router back on.
• Press Break or Ctrl-Break on the terminal keyboard within 60 seconds of power up in order to put the router into ROMMON.
• boot#set ios-conf = 142
• boot#boot
  The router reboots, but ignores the saved configuration.
  Type no after each setup question.
• Router>enable
  Once the Router# prompt appears, you are in enable mode.
• Router#copy startup-config running-config
• hostname#configure terminal
• hostname(config)#enable secret your_new_password_here
  Issue the no shutdown command on every interface that you use.
• hostname(config)#config-register 0×2102
• hostname(config)#end
• hostname#copy running-config startup-config
• hostname#reload

Cisco SOHO 76, 77, 78, 91, 96, and 97 Routers.
Cisco 801, 802, 803, 804, 805, 811, and 813 Series Routers.
Cisco 1700, 1800, 2600, 2800, 3600, 3700, 3800 Series Routers.
Cisco 7100, 7200, 7500, 12000 Series Router.

• Use the power switch in order to turn off the router, and then turn the router back on.
• Press Break or Ctrl-Break on the terminal keyboard within 60 seconds of power up in order to put the router into ROMMON.
• rommon 1>confreg 0×2142
  This step bypasses the startup configuration where the passwords are stored.
• rommon 2>reset
  Type no after each setup question.
• Router>enable
  You are in enable mode and should see the Router# prompt.
• Router#copy startup-config running-config 
• Router#configure terminal
• hostname(config)#enable secret your_new_password_here
  Issue the no shutdown command on every interface that you use.
• hostname(config)#config-register 0×2102
• hostname(config)#end
• hostname#copy running-config startup-config
• hostname#reload

Cisco 2000, 2500, 3000, 4000, AccessPro, 7000(RP), AGS+, IGS, STS-10X AS

• Use the power switch in order to turn off the router, and then turn the router back on.
• Press Break or Ctrl-Break on the terminal keyboard within 60 seconds of power up in order to put the router into ROMMON.
• >o/r 0×2142
  Press Enter at Prompt.
  The router reboots, but ignores the saved configuration.
  Type no after each setup question.
• Router>enable
  Once the Router# prompt appears, you are in enable mode.
• Router#copy startup-config running-config 
• Router#configure terminal
• hostname(config)#enable secret your_new_password_here
  Issue the no shutdown command on every interface that you use.
• hostname(config)#config-register 0×2102
• hostname(config)#Ctrl-Z
• hostname#copy running-config startup-config
• hostname#reload

Popularity: 55%

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Cisco Router Dial On-Demand using Analog Modem

This connection use an analog modem over PSTN line as WAN link. A connection will created automatically when one of site need a communication to remote site. And disconnect automatically once meet idle times. This connection will reapeat every times communication inter site needed. Each site can initiate/create dialup connection.

Requirement:
- Cisco router with serial interface (support async mode).
- Analog modem (RS232 interface).
- Serial cable (DB60 to RS232).
- PSTN line.

ROUTER A

hostname Router-A
!
enable password cisco
!
username ciscouser1 password ciscopass
!
chat-script dial “” “atdtT” TIMEOUT 60 CONNECT c
!
interface Ethernet 0
 ip address 10.0.33.250 255.255.255.0
!
interface Serial 0 <= plug modem here
 physical-layer async
 ip address 10.0.253.30 255.255.255.252
 encapsulation ppp
 async dynamic address
 async dynamic routing
 async mode dedicated
 dialer in-band
 dialer idle-timeout 60
 dialer wait-for-carrier-time 200
 dialer map ip 10.0.253.29 name ciscouser1 modem-script dial +10218560620 <= remote number
 dialer-group 1
 peer default ip address 10.0.253.29
 ppp authentication chap pap
!
router eigrp 1
 network 10.0.0.0
!
no ip classless
ip route 10.0.2.0 255.255.255.0 10.0.253.29 150
access-list 103 deny eigrp any host 255.255.255.255
access-list 103 permit ip any any
dialer-list 1 protocol ip list 103
!
line con 0
 line 2
 exec-timeout 0 0
 modem InOut
 modem autoconfigure discovery
 speed 115200
 flowcontrol hardware
!
line vty 0 4
 password cisco
 login
!
end

===

ROUTER B

hostname Router-B
!
enable password cisco
!
username ciscouser2 password ciscopass
chat-script dial “” “atdtT” TIMEOUT 60 CONNECT c
!
interface Ethernet 0
 ip address 10.0.2.251 255.255.255.0
!
interface Serial 0 <= plug modem here
 physical-layer async
 ip address 10.0.253.29 255.255.255.252
 encapsulation ppp
 async dynamic address
 async dynamic routing
 async mode dedicated
 dialer in-band
 dialer idle-timeout 60
 dialer wait-for-carrier-time 200
 dialer map ip 10.0.253.30 name ciscouser1 modem-script dial +10218195240 <= remote number
 dialer-group 1
 peer default ip address 10.0.253.30
 ppp authentication chap pap
!
router eigrp 1
 network 10.0.0.0
!
no ip classless
ip route 10.0.33.0 255.255.255.0 10.0.253.30 150
access-list 103 deny eigrp any host 255.255.255.255
access-list 103 permit ip any any
dialer-list 1 protocol ip list 103
!
line con 0
 line 2
 exec-timeout 0 0
 modem InOut
 modem autoconfigure discovery
 speed 115200
 flowcontrol hardware
!
line vty 0 4
 password cisco
 login
!
end

Popularity: 44%

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Cisco Router Simulator

Cisco router simulator is a software installed in your pc act as a router or switch like a real cisco device. You can setup several devices to create virtual LAN, WAN, VPN or Internet connection. Here you don’t need setup a hyper terminal to connect to your virtual devices ofcourse.

Below links to cisco simulator vendor,
   Commercial (demo available):
   - RouterSim
   - NetworkSims
   - CertExams
   - Boson

   Freeware:
   - JimSim

Don’t forget to visit this link:
   - Ciscosim

Popularity: 60%

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TCP/IP Protocol

Before configure your cisco device, you have to understand well TCP/IP protocol.
This is must and never touch your cisco device without concept of Network ID, Host ID and Network Musk in your brain.

Below is links to some website that can help you to understand the TCP/IP concept. Please go there and never comeback here except you get tcp/ip concept in you brain

1. Tcpipguide
2. Wikipedia
3. YaleEdu

Popularity: 21%

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Create Load-Balancer with Cisco Router

Requirement:
- Cisco router IP CEF support
- Dual WAN connection
- You understand cisco basic configuration (Go to Beginer Section)

ROUTER-A

hostname Router-A
!
enable password cisco
!
ip cef
!
interface Ethernet 0
ip address 10.10.1.1 255.255.255.0
!
interface Serial0
ip address 10.10.253.1 255.255.255.252
ip load-sharing per-packet
!
interface Serial1
ip address 10.10.253.5 255.255.255.252
ip load-sharing per-packet
!
no ip classless
no ip route-cache
ip route 10.10.2.0 255.255.255.0 Serial0
ip route 10.10.2.0 255.255.255.0 Serial1
!
line con 0
!
line vty 0 4
password cisco
login
!
end

===

ROUTER-B

hostname Router-B
!
enable password cisco
!
ip cef
!
interface Ethernet 0
ip address 10.10.2.1 255.255.255.0
!
interface Serial0
ip address 10.10.253.2 255.255.255.252
ip load-sharing per-packet
!
interface Serial1
ip address 10.10.253.6 255.255.255.252
ip load-sharing per-packet
!
no ip classless
no ip route-cache
ip route 10.10.1.0 255.255.255.0 Serial0
ip route 10.10.1.0 255.255.255.0 Serial1
!
line con 0
!
line vty 0 4
password cisco
login
!
end

Popularity: 43%

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Cisco Career Certifications & Paths

ROUTING & SWITCHING
Associate: CCNA/CCENT
Professional: CCNP
Expert: CCIE Routing & Switching

DESIGN
Associate: CCNA & CCDA
Professional: CCDP
Expert: CCDE

NETWORK SECURITY
Associate: CCNA
Professional: CCSP
Expert: CCIE Security

STORAGE NETWORKING
Associate: CCNA
Professional: none
Expert: CCIE Storage Networking

VOICE
Associate: CCNA
Professional: CCVP
Expert: CCIE Voice

Source: Cisco website

Popularity: 16%

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Setup Windows Hyper Terminal to Access Cisco Console

From WindowsXP:
Click Start - All Programs - Accessories - Communications - Hyper Terminal
If it does not appear on the list of accessory programs, then go to Add Remove Progran in Control Panle to install Hyper Terminal.

Once Hyper Terminal window open, type in a name for connection name (example: Cisco) then click OK.

Under “Connect using” select “Com1″ if you use Com1 otherwise select the appropriate com port, then click OK.

Next,
Set “Bits per second” to 9600
Set “Data Bits” to 8
Set “Parity” to None
Set “Stop Bits” to 1
Set “Flow control” to Hardware

Then click OK and Hyper Terminal screen should appear.

Note: Sometimes cisco console not apear in your hyper terminal screen, try to push enter twice.

You need a console cable to access your cisco console, click here.

Popularity: 71%

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