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Secure CRT

Michael Mutua
Frequent Visitor
Frequent Visitor

Hi everyone,

To all engineers who love cisco CLI, what is the possible solution to this below error

Key exchange failed.
No compatible MAC. The server supports these MACs: hmac-sha2-256-etm@openssh.com,hmac-sha2-512-etm@openssh.com,hmac-sha2-256,hmac-sha2-512

Any possible solution will be appreciated.

 

kind Regards,

Michael

21 Replies 21

pabloarturo2023
Frequent Visitor
Frequent Visitor

Try to add these MAC to the switch:

ip ssh server algorithm mac hmac-sha2-256

fazalscorner
Visitor

Just add this command on the switch(9000 series), if you are having an older version of SecureCRT  and it will work .

ip ssh server algorithm mac hmac-sha2-512 hmac-sha1 hmac-sha2-256

This worked on 8200 Router as well. thanks.

Thank you @senthilr for the info. It works nicely.

Regards, LG
*** Please Rate All Helpful Responses ***

Kenn Alcira
Community Member

Try to run this in the switch

ip ssh server algorith mac hmac-sha2-256

it will add the hash algo in the switch. That works on mine. 

Yes, Kenn! It works also for me.

i added the hash algo in the switch. That works for me.