With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
wwnmType1AvailableWwns
wwnm Type1 Available Wwns
1.3.6.1.4.1.9.9.286.1.1.4
Number of NAA Type 1 WWNs that are currently available for assignment to internal entities.
Back to CISCO-WWNMGR-MIB MIB page.
IPHost Network monitor allows you to monitor wwnmType1AvailableWwns 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.
