With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
pppLinkErrLastUnkProto
ppp Link Error Last Unk Protocol
1.3.6.1.4.1.2.6.119.4.2.2.1.7
The last unknown Protocol identifier received.
Back to ibm-ibmiroc MIB page.
IPHost Network monitor allows you to monitor pppLinkErrLastUnkProto on IBM device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring IBM Flex systems right now.