With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cieIfNoDropVlOutOctets
cie If No Drop Vl Out Octets
1.3.6.1.4.1.9.9.276.1.1.4.1.4
This object indicates the number of output octets on all No-Drop Virtual Links belonged to this interface.
Back to CISCO-IF-EXTENSION-MIB MIB page.
IPHost Network monitor allows you to monitor cieIfNoDropVlOutOctets on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.