Configuring Secure Shell (SSH)
General Operating Rules and Notes
General Operating Rules and Notes
â– Public keys generated on an SSH client must be exportable to the
switch. The switch can only store 10 client key pairs.
■The switch’s own public/private key pair and the (optional) client
public key file are stored in the switch’s flash memory and are not
affected by reboots or the erase startup-config command.
â– Once you generate a key pair on the switch you should avoid re-
generating the key pair without a compelling reason. Otherwise, you
will have to re-introduce the switch’s public key on all management
stations (clients) you previously set up for SSH access to the switch.
In some situations this can temporarily allow security breaches.
â– The switch does not support outbound SSH sessions. Thus, if you
Telnet from an SSH-secure switch to another SSH-secure switch, the
session is not secure.
â– With SSH running, the switch allows one console session and up to
five other sessions (SSH and/or Telnet).
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