When I tried to SSH to a box I get
ssh_rsa_verify: RSA modulus too small: 512 < minimum 768 bits
key_verify failed for server_host_key
that's because
# sh crypto key mypubkey rsa
Key pair was generated at: 14:59:48 MST Mar 28 2006
Key name: <Default-RSA-Key>
Usage: General Purpose Key
Modulus Size (bits): 512
Key Data: ...
Key pair was generated at: 18:31:55 MST Apr 3 2007
Key name: <Default-RSA-Key>.server
Usage: Encryption Key
Modulus Size (bits): 768
Key Data: ...
If I generate anotherkey with
crypto key generate rsa modulus 1024
will I break all existing VPN and SSH?