With IPHost Network Monitor you can run simple snmp requests against a D-Link device in your network.
swL3OspfExternalLsdbChecksum
Switch L3 Ospf External Lsdb Checksum
1.3.6.1.4.1.171.11.70.5.3.13.2.1.8
This field is the checksum of the complete contents of the advertisement, except the age field. The age field is the exception so that an advertisement's age can be incremented without updating the checksum. The checksum used is the same that is used for ISO connec- tionless datagrams; it is commonly referred to as the Fletcher checksum.
Back to DES3528-SWL3MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor swL3OspfExternalLsdbChecksum on D-Link device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring D-Link VPN routers right now.