With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cipIcmpInTimeExcds
Cisco Channel Interface Processor Icmp In Time Excds
1.3.6.1.4.1.9.9.32.1.3.1.1.4
The number of ICMP Time Exceeded messages received.
Back to CISCO-CIPTCPIP-MIB MIB page.
IPHost Network monitor allows you to monitor cipIcmpInTimeExcds 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.