RADLAN-TELNET-MIB

Description: Configures Telnet server access parameters including port, timeout, and session limits.

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RADLAN-TELNET-MIB is a vendor-specific private MIB from RADLAN/Marvell that configures and monitors the Telnet management service on a switch, covering access credentials, timeouts, and active session tracking. It exposes configuration objects such as rlTelnetPassword and rlTelnetTimeout, along with a live session table (rlTelnetUsersTable/Entry) recording each connected client's address, login time, and session status, plus configurable login banner text. Its monitoring value is chiefly software/service status: an operator can see how many Telnet sessions are currently open, from which client addresses, and since when, which is useful for security auditing and detecting unexpected or lingering management sessions. It has no strong dependency on other standard MIBs beyond general addressing conventions (e.g. InetAddress types) used for client address fields. It is typically deployed on Marvell/RADLAN-based managed switches where Telnet remains an enabled management access method. Engineers can download the RADLAN-TELNET-MIB file directly to load it into their MIB browser.

An administrator would walk rlTelnetUsersTable (keyed by rlTelnetSessionId) to see rlTelnetSessionClientAddress and rlTelnetSessionLoginTime for each active session, using rlTelnetSessionStatus to spot an established Telnet session from an unexpected client address that may indicate unauthorized access. rlTelnetTimeout can be checked to confirm idle sessions will be dropped after the configured period.

Radlan Telnet access control MIB for managing telnet session configuration and active user monitoring.