With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cagwPathBytesReceived
Cisco's ASN Gateway Path Bytes Received
1.3.6.1.4.1.9.9.638.1.3.5.1.1.11
Total Number of bytes received over the path.
Back to CISCO-ASN-GATEWAY-MIB MIB page.
IPHost Network monitor allows you to monitor cagwPathBytesReceived 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.