With IPHost Network Monitor you can run simple snmp requests against a ADTRAN device in your network.
adUnitPingPktMaxSize
ad Unit Ping Packet Max Size
1.3.6.1.4.1.664.5.30.3.5.5
Not used in normal mode. In Sweep mode, the maximum buffer size used for the sweep. If the value is not greater than adUnitPingPktMinSize the sweep will terminate after the first buffer size completes.
Back to ADTRAN-ADUNIT-MIB MIB page.
IPHost Network monitor allows you to monitor adUnitPingPktMaxSize on ADTRAN device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring ADTRAN routers right now.