With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cssgTalUserIPAddress
cssg Tal User IP Address
1.3.6.1.4.1.9.9.260.1.10.19.1.2
IP Address of the transparent user.
Back to CISCO-SSG-MIB MIB page.
IPHost Network monitor allows you to monitor cssgTalUserIPAddress 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.