A3COM0074-SMA-VLAN-SUPPORT

Description: Manages VLAN configuration and membership on 3Com SMA-series switch modules.

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This is a 3Com enterprise MIB written for the SMA-series switch modules, part of 3Com's LAN switching product line from the SuperStack/CoreBuilder era. It exposes VLAN configuration objects covering VLAN creation, private-VLAN-to-interface mapping, and per-port VLAN membership assignment. Although primarily a configuration MIB, it lets administrators confirm the operational consistency of VLAN membership and per-interface VLAN association, which indirectly reflects the switch's configuration and software health. It is intended to be used alongside standard bridging/VLAN MIBs such as Q-BRIDGE-MIB, on top of the 3Com enterprise MIB tree, rather than as a standalone module. It is typically deployed on legacy 3Com SMA/SuperStack switches in enterprise wiring closets to audit and manage VLAN segmentation. Engineers can download the A3COM0074-SMA-VLAN-SUPPORT file directly to load it into their MIB browser.

An administrator would poll a3ComVlanPrivateIfTable/a3ComVlanPrivateIfEntry to see which private VLAN each interface belongs to, and check a3ComVlanMembers to confirm the full list of ports assigned to a given VLAN. If a3ComVlanCreateType shows an unexpected static-versus-dynamic setting, or a3ComVlanMembers is missing a port that should belong to a VLAN, that reveals a misconfiguration causing connectivity loss for devices on that segment.

Private VLAN management information for internal 3Com SMA distributed SNMP stack operations.