With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
llcPortStatsProtocolErrs
llc Port Stats Protocol Errs
1.3.6.1.3.51.1.1.3.1.12
This object reflects the total number of times that the link stations on this port have deactivated the link as a result of having received a protocol violation from the adjacent link station. This object is initialized to zero when the port is created.
Back to ibm-llc MIB page.
IPHost Network monitor allows you to monitor llcPortStatsProtocolErrs on IBM device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring IBM switches right now.