With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoDlswSdlcLsLocalMac
cisco Data Link Switching Sdlc Link Station Local Mac
1.3.6.1.4.1.9.10.9.1.6.2.1.1
The virtual MAC address used to represent the SDLC-attached link station to the rest of the DLSw network.
Back to CISCO-DLSW-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoDlswSdlcLsLocalMac 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.