Nerdy Drunk

enable ssh login with username and password

save RSA public key in the following format and place on tftp server

---- BEGIN SSH2 PUBLIC KEY ----
AAAAB3NzaC1yc2EAAAADAQABAAABAQC3lX09o4m7qltT2Eq4AFgYy/+ZFG9L9uTQD3SQ8YBBGzPyesaM6RWgg68bb3rcMCxvHj6xo7KhzjSyDts3fE1qFijXHTyJ124qs7H1NbqcC7BcMrXdEN8DeQUeAnx631/hKRkFfVYTmM/7JomGk5977PxJqWfj9dEluzIkkevXWYCwsZ3iwYo20h+igeZ1n8TE75CS2v0IDaOPToET3IVUQSc8jTLCtFCyVnJnYywfOR3pGnv+H5IZZoONICj1L4PN7a3ZUL/r/Cax5T0SWwjzo/Ap7djS0tFFOBM7EhoGpsTPFfu3VbP7DXxGXmRMhxp/ZyutfLsgCs90CvcdZvCN
---- END SSH2 PUBLIC KEY ----

copy RSA public key file to switch

SSH@SWITCH01 (config)#ip ssh pub-key-file tftp 10.1.1.1 pub-key-file.txt

backup running config via scp with key authentication

[USER01@HOST01 ~]$ scp SWITCH01:runConfig ./SWITCH01.runConfig-DATE.txt