With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
ibmVlanMaxUDSWMaskFilter
ibm Vlan Max UDSW Mask Filter
1.3.6.1.4.1.2.5.8.4.3.1.1.4
This is the maximum number of octets this agent supports for ibmVlanUDSWMask or ibmVlanUDSWFilter. The Mask and Filter must contain the same number of octets.
Back to ibm-ibmlanex MIB page.
IPHost Network monitor allows you to monitor ibmVlanMaxUDSWMaskFilter on IBM device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring IBM servers right now.