With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
portJumboFrameTable
port Jumbo Frame Table
1.3.6.1.4.1.9.5.1.27.1
entries is determined by the number of ports in the system which support the Jumbo frame feature.
Back to CISCO-STACK-MIB MIB page.
IPHost Network monitor allows you to monitor portJumboFrameTable on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.