With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ccStatusClusterName
Cisco Cluster Status Cluster Name
1.3.6.1.4.1.9.9.134.1.1.1
The name of the cluster. Cluster command switch functionality is only enabled if this object is a non-NULL string. Strings containing all blanks or a NULL string will disable the cluster. This object and ccStatusClusterMode in this MIB are the only objects that will be instantiated if the command switch functionality is not enabled.
Back to CISCO-CLUSTER-MIB MIB page.
IPHost Network monitor allows you to monitor ccStatusClusterName on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.