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RSA key 2048 bit

I have issued the command crypto key generate rsa general-keys modulus 2048.  What command can be used to verify they key is 2048?


3 Replies 3

Collin Clark
VIP Alumni
VIP Alumni

FIREWALL#show ip ssh

SSH Enabled - version 2.0

Authentication methods:publickey,keyboard-interactive,password

Authentication timeout: 60 secs; Authentication retries: 2

Minimum expected Diffie Hellman key size : 1024 bits

IOS Keys in SECSH format(ssh-rsa, base64 encoded):

Thanks Collin,

For clarity purposes, I am looking for something that says the rsa key is 2048.  Your output indicates 1024 bits.  If my rsa key is set to 2048 what show command(s) indicate this?

MY router is 1024 bits. If you run the command on your router it should be 2048.