Prepare one topology with the combination
of Cisco routers and switches. Make sure your network is working properly. Now
in topology you can configure SSH in any of the router you want.
Now if you have chosen router where you
will configure SSH Start configuring it.
1. Set
hostname and domain-name
Here are some commands to set
hostname and Domain name for the router
# config t
(config)# hostname cbitss
Router
should have RSA keys that it will use during the SSH process. Yo can set this
with the command given bellow.
The name for the keys will be:
cbitss.cbitss.com
Choose the size of the key modulus in the
range of 360 to 2048 for your
General Purpose Keys. Choosing a key modulus greater than 512 may take
a few minutes.
How many bits in the modulus [512]: 1024
% Generating 1024 bit RSA keys, keys will be
non-exportable...[OK]
3. Setup the Line VTY configurations
3. Setup the Line VTY configurations
Here
in Line VTY you need to set SSH as input method. You also can set it to login
local.
# line
vty 0 4
(config-line)# transport input ssh
(config-line)# login local
(config-line)#
exit
4. Create the username password
4. Create the username password
Here yo
need to set username and password by which you have to login in router.
cbitss#
config t
Enter configuration commands, one
per line. End with CNTL/Z.
cbitss(config)#
username cbitss password cbitss@123
You
also need to set Enable passwords.
cbitss#
enable secret admin@cbitss
On
router to check either SSH is enabled or not you need to ru bellow commands.
cbitss#
sh ip ssh
SSH Enabled - version 1.99
Authentication
timeout: 120 secs; Authentication retries: 3
After
checking the status of the SSH now you can take access from computer to router.
To take access from PC to router you can run
following commands
remote-machine#
ssh 192.168.101.2
login as: cbitss
Using keyboard-interactive
authentication.
Password:
cbitss>en
Password:
cbitss#
Like
this you can configure SSH in any Cisco Device.
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