With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
csiMatchHostInterface
csi Match Host Interface
1.3.6.1.4.1.9.9.725.1.2.6.1.6
For connectivity group, this object specifies the interface, together with csiMatchHostAddress, representing the path through which clients are connected to the director. It is typically the value of the ifName object (e.g., 'Ethernet0'). It is required when csiMatchGroupType is 'connectivity'.
Back to CISCO-SMART-INSTALL-MIB MIB page.
IPHost Network monitor allows you to monitor csiMatchHostInterface 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.