Question:We recently replaced a router with Cisco SA520. The connection is only used for a Telnet application. After replacing the router we experience the problem that the Telnet session is terminated after around one minute of inactivity in a way that it does not respond to keyboard input anymore. With out old router this happend after 30 minutes.
Everythink works fine as long as the user does actively use the system.
The SA520 is configured with a static external and internal IP address. Two ports are forwarded (515,9100) from the external side (where the Telnet server resides) to an internal printer.
Does anyone have idea what is causing this problem.
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