With IPHost Network Monitor you can run simple snmp requests against a NETGEAR device in your network.
agentSwitchIpRouterDiscoveryPreferenceLevel
agent Switch Ip Router Discovery Preference Level
1.3.6.1.4.1.4526.10.2.2.4.1.6
Preferability of the address as a default router address, related to other addresses on the same subnet. This is defined as the larger the number, the higher the preference.
Back to NETGEAR-ROUTING-MIB MIB page.
IPHost Network monitor allows you to monitor agentSwitchIpRouterDiscoveryPreferenceLevel on NETGEAR device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring NETGEAR access points right now.