With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cfmFcipEntityExtPMTUEnable
Cisco FCIP Management Fcip Entity Ext PMTU Enable
1.3.6.1.4.1.9.9.329.1.1.1.1.3
The path MTU discovery is enabled if the value of this object is true(1), else it is disabled, and has the value false(2).
Back to CISCO-FCIP-MGMT-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cfmFcipEntityExtPMTUEnable 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.