With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cnrEnableMastersResp
cnr Enable Masters Resp
1.3.6.1.4.1.9.9.120.1.3.18
Indicates whether the ciscoNetRegMastersResp notification should be generated for this entity.
Back to CISCO-NETWORK-REGISTRAR-MIB MIB page.
IPHost Network monitor allows you to monitor cnrEnableMastersResp on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.