With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dspuNodeRsrbBridgeNumber
Cisco DSPU Node Rsrb Bridge Number
1.3.6.1.4.1.9.9.24.1.1.3
Bridge number connecting the DSPU LocalVirtualRing with the RSRB TargetVirtualRing. Currently, the only valid BridgeNumber supported is 1. BridgeNumber must be one if RSRB is enabled. BridgeNumber is zero if RSRB is not enabled.
Back to CISCO-DSPU-MIB MIB page.
IPHost Network monitor allows you to monitor dspuNodeRsrbBridgeNumber on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.