it's a monitoring tool for switches, and other network devices, here is the link
http://www.tontonitch.com/tiki/tiki-ind ... etable_v3t, I installed the latest 0.05 version. The output like
$./check_interface_table_v3t.pl -H 10.0.3.254 -h d-link_sw -C public -2 -r --warning 80,10,3000 --critical 90,100,3000 --cp 1 --wp 1 -f
CRITICAL - 2 change(s): ifOperStatus - Ethernet Interface (3) Ethernet Interface (8) <a href="/interfacetable_v3t/tables/dQ2DlinkQ5Fsw-Interfacetable.html" target="_self">[details]</a> | Interface_global::check_interface_table_global::time=0.70s;;;; uptime=277145597... etc