With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdpGlobalDeviceIdFormat
Cisco Discovery Protocol Global Device Id Format
1.3.6.1.4.1.9.9.23.1.3.7
An indication of the format of Device-Id contained in the corresponding instance of cdpGlobalDeviceId. User can only specify the formats that the device is capable of as denoted in cdpGlobalDeviceIdFormatCpb object. serialNumber(1) indicates that the value of cdpGlobalDeviceId object is in the form of an ASCII string contain the device serial number. macAddress(2) indicates that the value of cdpGlobalDeviceId object is in the form of Layer 2 MAC address. other(3) indicates that the value of cdpGlobalDeviceId object is in the form of a platform specific ASCII string contain info that identifies the device. For example: ASCII string contains serialNumber appended/prepened with system name.
Back to CISCO-CDP-MIB MIB page.
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