With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoAtmSwitchInvalidCellHeader
cisco Atm Switch Invalid Cell Header
1.3.6.1.4.1.9.5.11.1.5.6.1.2
octet 0 is port number (0-32), octet 1 bit 7-5 is PTI, octet 1 bit 4 is CLP, octet 1 bit 3-0 is GFC, octet 2 is VPI, octet 3 is high byte of VCI octet 4 is low byte of VCI.
Back to CISCO-RHINO-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoAtmSwitchInvalidCellHeader 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.