With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dsx0BundleIndex
Cisco DS0 Interfaces Bundle Index
1.3.6.1.4.1.9.10.32.3.1.1
A unique identifier for a ds0Bundle. This is not the same value as ifIndex. This table is not indexed by ifIndex because the manager has to choose the index in a createable row and the agent must be allowed to select ifIndex values.
Back to CISCO-DS0BUNDLE-MIB MIB page.
IPHost Network monitor allows you to monitor dsx0BundleIndex on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.