With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cGgsnSATotalBlackListCategories
Cisco Ggsn Service-Aware Total Black List Categories
1.3.6.1.4.1.9.9.497.1.1.3.11
This object indicates the total number of categories which are blacklisted.
Back to CISCO-GGSN-SERVICE-AWARE-MIB MIB page.
IPHost Network monitor allows you to monitor cGgsnSATotalBlackListCategories on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.