With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
Cisco Ip Local Pool Alloc If Index
This object indicates the interface from which the allocation message was sent. In the case that the interface can not be determined, the value of this object will be zero.
Back to CISCO-IP-LOCAL-POOL-MIB MIB page.
IPHost Network monitor allows you to monitor cIpLocalPoolAllocIfIndex 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.