With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
hostHighCapacityInOctets
host High Capacity In Octets
1.3.6.1.2.1.16.4.5.1.6
The number of octets transmitted to this address since it was added to the hostHighCapacityTable (excluding framing bits but including FCS octets), except for those octets in bad packets.
Back to HC-RMON-MIB MIB page.
IPHost Network monitor allows you to monitor hostHighCapacityInOctets on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.