With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cgprsAccPtDualAddrEnabled
Cisco GPRS Access Point Dual Address Enabled
1.3.6.1.4.1.9.9.183.1.1.3.1.32
This object when set to 'true' indicates that the APN has dual stack capability.
Back to CISCO-GPRS-ACC-PT-MIB MIB page.
IPHost Network monitor allows you to monitor cgprsAccPtDualAddrEnabled on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.