With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
bsnGlobalDot11bCurrentChannel
bsn Global Dot11b Current Channel
1.3.6.1.4.1.14179.2.3.2.1.4
The current operating frequency channel of the DSSS PHY. Valid channel numbers are as defined in 15.4.6.2. This attribute will be read-only if bsnAPIfPhyChannelAutomaticOn is true.
Back to AIRESPACE-WIRELESS-MIB MIB page.
IPHost Network monitor allows you to monitor bsnGlobalDot11bCurrentChannel on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.