With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
docsDevServerConfigTftpAddress
DOCSIS Device Server Config Tftp Address
1.3.6.1.2.1.69.1.4.11
The internet address of the TFTP server responsible for downloading provisioning and configuration parameters to this device. Returns the zero-length octet string if the config server address is unknown. There are certain security risks that are involved with using TFTP.
Back to DOCS-CABLE-DEVICE-MIB MIB page.
IPHost Network monitor allows you to monitor docsDevServerConfigTftpAddress on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.