With IPHost Network Monitor you can run simple snmp requests against a NETGEAR device in your network.
aclMacIndexNextFree
acl Mac Index Next Free
1.3.6.1.4.1.4526.10.3.2.5.1
This object contains an unused value for the aclMacIndex to be used when creating a new MAC ACL. A value of zero zero indicates the ACL table is full.
Back to NETGEAR-QOS-ACL-MIB MIB page.
IPHost Network monitor allows you to monitor aclMacIndexNextFree on NETGEAR device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring NETGEAR network storage devices right now.