With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
adslAtucChanPerfCurr15MinCorrectedBlks
ADSL Atuc Chan Performance Current 15 Minimum Corrected Blocks
1.3.6.1.2.1.10.94.1.1.10.1.10
Count of all blocks received with errors that were corrected on this channel within the current 15 minute interval.
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IPHost Network monitor allows you to monitor adslAtucChanPerfCurr15MinCorrectedBlks 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.