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Configuring Username and Password Security
Saving Security Credentials in a Config File
The SSH security credential that is stored in the running configuration file is
configured with the ip ssh public-key command used to authenticate SSH
clients for manager or operator access, along with the hashed content of each
SSH client public-key.
Note The ip ssh public-key command allows you to configure only one SSH client
public-key at a time. The ip ssh public-key command behavior includes an
implicit append that never overwrites existing public-key configurations on a
running switch.
If you download a software configuration file that contains SSH client public-
key configurations, the downloaded public-keys overwrite any existing keys,
as happens with any other configured values.
Syntax: ip ssh public-key <manager |operator> keystring
Set a key for public-key authentication.
manager: allows manager-level access using SSH public-key
authentication.
operator: allows operator-level access using SSH public-key
authentication.
“keystring”:. a legal SSHv2 (RSA or DSA) public key. The text
string for the public key must be a single quoted token. If the
keystring contains double-quotes, it can be quoted with single
quotes ('keystring'). The following restrictions for a
keystring apply:
■ A keystring cannot contain both single and double quotes.
■ A keystring cannot have extra characters, such as a blank
space or a new line. However, to improve readability, you
can add a backlash at the end of each line.
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