tmnxCcIpFltrIcmpCode 1.3.6.1.4.1.6527.3.1.2.33.1.67.1.21

The value of tmnxCcIpFltrIcmpCode specifies the icmp code to be matched. tmnxCcIpFltrIcmpCode complements the object tmnxCcIpFltrIcmpType. Both of them need to be set to actually enable ICMP matching. The default value of -1 disables ICMP matching.