SW-CFG-MIB

Description: Manages switch configuration parameters, settings persistence, and device configuration state.

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SW-CFG-MIB is a vendor-specific (object prefix "nb") private enterprise MIB for managing configuration on a managed Ethernet switch. It exposes switch-level configuration and status data such as the MAC address table indexed by VLAN and port, per-port tagging mode and learning status, and overall physical port count limits. As a configuration/status module it supports monitoring hardware health indirectly, for example by comparing the actual detected port count against the maximum supported port count to spot a failed or missing port, and by watching MAC table entries for signs of instability or a forwarding loop. The available material does not show an explicit dependency on other standard MIBs, suggesting it is largely self-contained. It is typically deployed for managing configuration persistence and auditing MAC learning behavior on enterprise access or aggregation switches. Network engineers evaluating or troubleshooting this functionality can download the SW-CFG-MIB file directly to load it into their MIB browser.

An admin polls nbSwMacTable/nbSwMacEntry, keyed by nbSwMacVid and nbSwMacPort, to see which MAC addresses are learned on each port/VLAN and checks nbSwMacMode, nbSwMacTagged, and nbSwMacStatus for each entry. Comparing nbSwPortsActualNumber against nbSwPortsMaxNumber confirms the switch recognizes all installed physical ports; a lower-than-expected actual count can indicate a hardware port failure. An unexpected nbSwMacStatus value or a known MAC address suddenly appearing on a different nbSwMacPort would flag a MAC learning problem or a Layer 2 loop.

NBase-Xyplex switch configuration MIB for managing Layer 2 MAC address tables and device configuration.