LevelOne ProCon GSW-2692 User Manual download pdf (Page 80)

Configuring the Switch

3-44

Generating the Host Key Pair

A host public/private key pair is used to provide secure communications between an

SSH client and the switch. After generating this key pair, you must provide the host

public key to SSH clients and import the client’s public key to the switch as

described in the proceeding section (Command Usage).

Field Attributes

• Public-Key of Host-Key – The public key for the host.

- RSA (Version 1): The first field indicates the size of the host key (e.g., 1024), the

second field is the encoded public exponent (e.g., 65537), and the last string is

the encoded modulus.

- DSA (Version 2): The first field indicates that the encryption method used by

SSH is based on the Digital Signature Standard (DSS). The last string is the

encoded modulus.

• 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).

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LevelOne ProCon GSW-2692 User Manual Page 80