With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cfrFragTable
Cisco Frame Relay Fragment Table
1.3.6.1.4.1.9.9.49.1.6.1
Table of Frame Relay Fragmentation information. These are specific to Cisco's implementation.
Back to CISCO-FRAME-RELAY-MIB MIB page.
IPHost Network monitor allows you to monitor cfrFragTable 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.