With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
agentDhcpScopeNetbiosNameServerAddress1
agent Dhcp Scope Netbios Name Server Address 1
1.3.6.1.4.1.14179.1.2.15.1.1.15
IP Address of DHCP Scope's Netbios Name Server 1.
Back to AIRESPACE-SWITCHING-MIB MIB page.
IPHost Network monitor allows you to monitor agentDhcpScopeNetbiosNameServerAddress1 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.