01 SSH Cisco Routers / Switches without password | IOS SSH using RSA key pair Authentication

Published: 31 March 2019
on channel: NetworkEvolution
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𝗙𝗼𝗿 𝗖𝗼𝗺𝗽𝗹𝗲𝘁𝗲 𝗣𝘆𝘁𝗵𝗼𝗻 𝗙𝗼𝗿 𝗡𝗲𝘁𝘄𝗼𝗿𝗸 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝘀 𝗖𝗼𝘂𝗿𝘀𝗲:
𝗘𝗻𝗿𝗼𝗹𝗹 𝗳𝗼𝗿 𝗯𝗲𝗹𝗼𝘄 𝗨𝗱𝗲𝗺𝘆 𝗖𝗹𝗮𝘀𝘀: 𝟐𝟎𝟐𝟐 𝐕𝐞𝐫𝐬𝐢𝐨𝐧
𝑫𝒊𝒔𝒄𝒐𝒖𝒏𝒕𝒆𝒅 𝑹𝒆𝒇𝒆𝒓𝒓𝒂𝒍 𝑳𝒊𝒏𝒌:
https://www.udemy.com/course/python-f... Part 2 : Video url
   • 02 SSH Cisco Routers / Switches witho...  
This video demonstrates how to ssh to cisco devices without password.
Instead of password it uses,rsa key pair in the local machine for authentication

commands are
ls ~/.ssh/
cat ~/.ssh/id_rsa.pub

conf t
ip ssh pubkey-chain
username nsrc
key-string
exit Failed to decode the Key Value
The maximum line length is 254 in cisco, but we can wrap smaller than this so that it fits on a terminal line.

fold -b -w 70 ~/.ssh/id_rsa.pub

ssh-keygen -l -f ~/.ssh/id_rsa.pub
ssh-keygen -f my_cisco_rsa.pub -l
username admin2 privilege 15
#CiscoRSAkeySSH
#CiscoSSHwithoutPassword
#CIscoIOSRSAKey


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