
Chapter 8 User Authentication
Figure 8.1 SSH Session Establishment Process
Device Domain
SSHServer
Username
List
Host RSA
key
SSHClientConnection |
Establish Connection |
Public Key and Encryptions List |
Private Key and Encryptions List |
Acknow ledgment (ACK) |
UserAuthentication |
UserPassw ords |
Initiate CLI Session |
HostDomain
SSH Client
Hostnames
List
SSH Commands
The following SSH commands are accessible from Supervisor level.
In order to... | Use the following command... |
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Enable SSH and configure SSH | ip ssh enable |
parameters |
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Disable the SSH server | no ip ssh |
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Display active SSH sessions on the | show ip ssh |
device. This command is only |
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available from the master module |
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switch context and from all router |
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contexts. |
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Disconnect an existing SSH session. | disconnect ssh |
If an SSH session was entered from |
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the router, it can only be |
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disconnected from router mode. |
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Generate an SSH host key pair | crypto key generate dsa |
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SCP Protocol Support
In addition to data transfer via an SSH session, the SSH protocol is also used to support SCP for secure file transfer. When using SCP, the P330 is the client, and an
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