With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
Cisco Channel Interface Processor Transmission Groups Ip Statistics HC Bytes Out
The number of bytes sent in IP packets from host to the IP network over this CMPC+ IP TG. Note: This is a 64-bit (High Capacity) version of cipTgIpStatsBytesOut counter used for use with SNMP Version 2 Managers.
Back to CISCO-CIPTG-MIB MIB page.
IPHost Network monitor allows you to monitor cipTgIpStatsHCBytesOut on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.