With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cItpXuaAspBlocked
Cisco IP Transfer Point Xua Asp Blocked
1.3.6.1.4.1.9.9.253.1.5.1.1.7
When an ASP is blocked, it cannot receive normal data traffic, but it can send or receive control messages. The ASP Blocked truth value. 'true' Indicates that the ASP has been blocked by an administrative action. 'false' Indicates that the ASP is not blocked.
Back to CISCO-ITP-XUA-MIB MIB page.
IPHost Network monitor allows you to monitor cItpXuaAspBlocked 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.