With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rttMonHTTPStatsTCPConnectTimeout
Round Trip Time Monitor HTTP Stats TCP Connect Timeout
1.3.6.1.4.1.9.9.42.1.3.4.1.14
The number of requests that could not connect to the the HTTP Server.
Back to CISCO-RTTMON-MIB MIB page.
IPHost Network monitor allows you to monitor rttMonHTTPStatsTCPConnectTimeout on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.