With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
frxUPerfEntry
Cisco 90i U Performance Entry
1.3.6.1.4.1.1570.1.6.5.1
A specific entry in the U-interface Performance Monitoring Statistics table. There is one entry for each port on each Cisco 90 Series channel unit in the system and one entry for each BRITE card extending those ports. There are no entries for unused banks or empty channel unit slots
Back to CISCO-90-MIB MIB page.
IPHost Network monitor allows you to monitor frxUPerfEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.