With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dlswDirLocateNBName
dlsw Dir Locate NB Name
1.3.6.1.4.1.2011.2.34.4.3.2.1.1
The NetBIOS name to be located (no any char or wildcards).
Back to DLSW-MIB MIB page.
IPHost Network monitor allows you to monitor dlswDirLocateNBName 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.