With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rmIfScTxAcr
Cisco Resource Management If Service Category Tx Available Cell Rate
1.3.6.1.4.1.9.10.10.1.4.1.1.3
The Available Cell Rate (specified in cells per second) for traffic sent out the interface for this Service Category. This is the bandwidth available for connections. For CBR and VBR Service Categories, this value decreases as a result of connection setup and increases as a result of connection release. For ABR and UBR Service Categories, this value changes as a result of connection setup and teardown only if non-zero mcr is specified.
Back to CISCO-ATM-RM-MIB MIB page.
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