With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cssgServiceMode
cssg Service Mode
1.3.6.1.4.1.9.9.260.1.3.1.1.2
An optional attribute which defines whether the user is able to log in to a service while simultaneously connected to other services (concurrent) or cannot access any other services while using this service (sequential). The default is concurrent.
Back to CISCO-SSG-MIB MIB page.
IPHost Network monitor allows you to monitor cssgServiceMode on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.