SMC Networks TIGERSWITCH SMC6752AL2 - Manual (Page 109)

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• Host-Key Type – The key type used to generate the host key pair (i.e.,
public and private keys). (Range: RSA (Version 1), DSA (Version 2),
Both; Default: RSA)
The SSH server uses RSA or DSA for key exchange when the client
first establishes a connection with the switch, and then negotiates with
the client to select either DES (56-bit) or 3DES (168-bit) for data
encryption.
• Save Host-Key from Memory to Flash – Saves the host key from
RAM (i.e., volatile memory to flash memory. Otherwise, the host key
pair is stored to RAM by default. Note that you must select this item
prior to generating the host-key pair.
• Generate – This button is used to generate the host key pair. Note that
you must first generate the host key pair before you can enable the SSH
server on the SSH Server Settings page.
• Clear – This button clears the host key from both volatile memory
(RAM) and non-volatile memory (Flash).