With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
wwnmSecondaryBaseMacAddress
wwnm Secondary Base Mac Address
1.3.6.1.4.1.9.9.286.1.1.1
The first MAC address used for generating World Wide Names (WWNs) when the default range of WWNs generated from supervisor MAC address are exhausted.
Back to CISCO-WWNMGR-MIB MIB page.
IPHost Network monitor allows you to monitor wwnmSecondaryBaseMacAddress 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.
