With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
tcpMaxConnections
tcp Max Connections
1.3.6.1.4.1.2.6.119.4.20.16
The maximum number of TCP connections allowed. This object and tcpCurrConnections are defined mainly to monitor the number of TCP connections and their affect on memory usage in the router.
Back to ibm-ibmiroc MIB page.
IPHost Network monitor allows you to monitor tcpMaxConnections on IBM device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring IBM storage servers right now.