With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dlswDirMacMask
dlsw Dir Mac Mask
1.3.6.1.4.1.2011.2.34.4.2.1.1.3
The MAC address mask, together with the dlswDirMacMac, specifies a set of MAC addresses that are defined or discovered through an interface or partner DLSw nodes.
Back to DLSW-MIB MIB page.
IPHost Network monitor allows you to monitor dlswDirMacMask 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.
