Netgear XCM8810 Chassis User Manual - Page 507
Viewing SSH2 Information, Enabling SSH2
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NETGEAR 8800 User Manual the switch but is not associated with any user. The key can be then be associated with the user via the CLI. You can also enter or paste the key using the CLI. There cannot be any carriage returns or new lines in the key. See the appropriate reference page in the NETGEAR 8800 Chassis Switch CLI Manual for additional details. The host and user public keys can be written to a file in the config directory using the create sshd2 key-file command. This enables the administrator to copy the public key to an outside server. Enabling SSH2 To enable SSH2, use the following command: enable ssh2 {access-profile [ | none]} {port } {vr [ | all | default]} You can also specify a TCP port number to be used for SSH2 communication. By default the TCP port number is 22. The switch accepts IPv6 connections. Before you initiate a session from an SSH2 client, ensure that the client is configured for any non-default access list or TCP port information that you have configured on the switch. After these tasks are accomplished, you may establish an SSH2-encrypted session with the switch. Clients must have a valid user name and password on the switch in order to log in to the switch after the SSH2 session has been established. Up to eight active SSH2 sessions can run on the switch concurrently. If you enable the idle timer using the enable idletimeout command, the SSH2 connection times out after 20 minutes of inactivity by default. If you disable the idle timer using the disable idletimeout command, the SSH2 connection times out after 61 minutes of inactivity. If a connection to an SSH2 session is lost inadvertently, the switch terminates the session within 61 minutes. For additional information on the SSH protocol, see the Federal Information Processing Standards Publication (FIPSPUB) 186, Digital Signature Standard, 18 May 1994. This can be download from: ftp://ftp.cs.hut.fi/pub/ssh. General technical information is also available from: http://www.ssh.fi Viewing SSH2 Information To view the status of SSH2 sessions on the switch, use the following command: show management The show management command displays information about the switch including the enable/disable state for SSH2 sessions and whether a valid key is present. Chapter 17. Security | 507
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