With IPHost Network Monitor you can run simple snmp requests against a IBM device in your network.
ibmcacheserverProxyClientMaxCount
ibmcacheserver Proxy Client Max Count
1.3.6.1.4.1.2.6.119.4.8.4.1.1.6
Highwater max number of TCP connections to clients
Back to ibm-ibmwebcache MIB page.
IPHost Network monitor allows you to monitor ibmcacheserverProxyClientMaxCount 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.