SSH on Extreme and Cisco Devices
Enable SSH on Extreme Devices
A key will be generated. To upload a public key simply use sftp
or scp
to upload key. But be sure to change the extension to .ssh
for example id_rsa.pub
will be id_rsa.ssh
on the switch. Also you can assign a key to a user by simply appending the username to the key file for example admin.id_rsa.pub
.
Extreme switches have a limitation of only being able to use RSA or DSA keys. Recommend to use RSA 2048
Enabling SSH on an Extreme Switch
enable ssh2
Chaning SSH port
enable ssh2 port tcp 766
Enable SSH on VR-Mgmt Only
enable ssh2 vr VR-Mgmt
Enable SSH On Cisco Devices
Add hostname to the device
ip domain-name ex.cisco.com
Generate SSH Key for device
crypto key generate rsa
Chose SSH Key size
Default is 512
but 1024
is better
Change SSH version
ssh version 2
Add a username and password for SSH access
username admin secret admin123
Configure the lines which will have SSH access
line vty 0 15
or line vty 0 2
Enable SSH on enable lines
transport input ssh
Keep SSH to local logins
login local
Save config
copy run start
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