A Console Server with Reverse SSH Capabilities Provides Additional Options for Out-of-Band Communication

In most out-of-band management applications, a console server is connected to a secondary network, cellular router or wireless router and deployed at a remote site in order to allow remote access to console port command functions when primary network communication is not available. This works well in most cases, but if out-of-band access via both Ethernet and console port is required, a console server that supports reverse SSH connections can be used in place of a basic console server.

A console server that supports SSH commands, such as WTI’s TSM Series Console servers, provides support technicians with additional out-of-band communication options for addressing network problems at remote network equipment sites. In addition to allowing access to console ports on remote devices, the reverse SSH capabilities provided by TSM Series Console Servers also enable remote support techs to establish out-of-band access via Ethernet to devices at remote sites. During network outages, these two capabilities work together, enabling technicians to access both console port command functions and Ethernet functions that would normally be available when primary network access is functional.

When the TSM Series Console Server is connected to both the remote LAN and to console ports on other devices on the LAN, administrators and support personnel can connect to the TSM via either dial-up, secondary network, cellular broadband or wireless router. Once a connection to the TSM is established, NOC personnel can then access console port command functions on remote devices via the TSM’s serial ports, or employ the TSM’s reverse SSH capabilities to access devices at the site via Ethernet.

If the console server used in this type of application includes dual Ethernet ports (such as the TSM-DPE Series Console Server,) then other out-of-band access options such as 3G/4G/LTE cellular broadband and satellite modem communication can also be used to access devices at the site when normal network communication is down.

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