With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cdsmRateLimitPercent
Cisco DIFFSERV Rate Limit Percent
1.3.6.1.4.1.9.9.381.1.1.5.1.2
Specifies the rate-limit factor on this interface.
Back to CISCO-DIFFSERV-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cdsmRateLimitPercent 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.