With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rttMonStatisticsAdminNumDistBuckets
Round Trip Time Monitor Statistics Admin Num Dist Buckets
1.3.6.1.4.1.9.9.42.1.2.7.1.4
The maximum number of statistical distribution Buckets to accumulate. Since this index does not rollover, only the first rttMonStatisticsAdminNumDistBuckets will be kept. The last rttMonStatisticsAdminNumDistBucket will contain all entries from its distribution interval start point to infinity. This object is not applicable to http and jitter probes.
Back to CISCO-RTTMON-MIB MIB page.
IPHost Network monitor allows you to monitor rttMonStatisticsAdminNumDistBuckets 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.