With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
crcSpanDstPermitListEnabled
crc Span Dst Permit List Enabled
1.3.6.1.4.1.9.9.103.1.2.7
Indicates whether the SPAN destination permit list feature is enabled. When crcSpanDstPermitListEnabled is 'true', only ports that have an entry in crcSpanDstPermitListTable are allowed to set as SPAN destination. There is no such restriction when crcSpanDstPermitListEnabled is 'false'.
Back to CISCO-RMON-CONFIG-MIB MIB page.
IPHost Network monitor allows you to monitor crcSpanDstPermitListEnabled 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.
