With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
convSdllcPortTable
conv Sdllc Port Table
1.3.6.1.4.1.9.9.28.1.1.1
Table of interfaces and SDLC addresses configured for SDLLC conversion
Back to CISCO-SDLLC-MIB MIB page.
IPHost Network monitor allows you to monitor convSdllcPortTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.