With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fc Name Server Node Ip Address
The IP address of the node of this Nx_port, as indicated by the Nx_Port in a GS3 message that it transmitted. The GS3 format specifies a 32-bit IPv4 address or a 128-bit IPv6 address. For the former, the leftmost 96 bits (12 bytes) are set to x'00 00 00 00 00 00 00 00 00 00 FF FF' and the rightmost 32 bits are supposed to contain the IPv4 address.
Back to CISCO-NS-MIB MIB page.
IPHost Network monitor allows you to monitor fcNameServerNodeIpAddress on Cisco device via the SNMP protocol.
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Easy monitoring of fcNameServerNodeIpAddress with IPHost tools