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09-25-2015 02:35 AM - edited 02-21-2020 05:35 AM
I have 2 core switches, that are using ssh v1.5 and need to change it to V2 so that a monitoring tool can login, if I change the version during office hours, will I need to regenerate RSA keys etc? or will this be done on the fly?
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09-25-2015 05:45 AM
No new keys or restart required. Just enter "ip ssh version 2" from configuration mode and save.
All new connections will then be V2 (assuming the connecting client is capable - otherwise their connections will be refused).
I put it on all my deployments and have yet to see a problem with it.
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09-25-2015 05:45 AM
No new keys or restart required. Just enter "ip ssh version 2" from configuration mode and save.
All new connections will then be V2 (assuming the connecting client is capable - otherwise their connections will be refused).
I put it on all my deployments and have yet to see a problem with it.
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09-25-2015 05:47 AM
Thankyou Marvin, appreciated.
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09-28-2015 01:58 AM
Hi Marvin,
I tried "ip ssh version 2" but its asking me to generate new keys, I assume I can just do a "crypto key generate rsa" ?
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09-28-2015 03:58 AM
If there was no valid existing key found that would be the error you'd generally see.
Generating a new key would be done with the command you mentioned.
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09-28-2015 04:25 AM
all good, all working. Thank you
