Logging In Through Modems; Configuration Requirements - HP 5800 Series Configuration Manual

Procedure
Configure other settings for the SSH client to work with the SSH server. For more information, see Security
Configuration Guide. To configure the SSH client to log in to the SSH server:
Step
Log in to an IPv4 SSH server.
Log in to an IPv6 SSH server.

Logging in through modems

The administrator can use two modems to remotely maintain a switch through its Console port over the Public
Switched Telephone Network (PSTN) when the IP network connection is broken.

Configuration requirements

By default, no authentication is needed when you log in through modems, and the default user privilege level
is 3.
To use this method, perform necessary configurations at both the device side and administrator side.
The following table shows the configuration requirements of remote login through the console port by using
modem dial-in:
Object
Administrator side
Device side
Command
ssh2 server
ssh2 ipv6 server
Requirement
The PC is correctly connected to the modem.
The modem is connected to a telephone cable that works normally.
The telephone number of the remote modem connected to the Console port of the
remote switch is obtained.
The Console port is correctly connected to the modem.
Configurations have been configured on the modem.
The modem is connected to a telephone cable that works properly.
Authentication configuration has been completed on the remote switch.
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Remarks
Required
server is the IPv4 address or host name of the server.
Available in user view
Required
server is the IPv6 address or host name of the server.
Available in user view