With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdsmrSmppSessionLocalIpAddress
Cisco Distributed Short Message Routing Smpp Session Local Ip Address
1.3.6.1.4.1.9.9.1301.1.3.1.3
This object contains the local IP address used to create the session with the partner of this session.
Back to CISCO-ITP-DSMR-SMPP-MIB MIB page.
IPHost Network monitor allows you to monitor cdsmrSmppSessionLocalIpAddress 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.