Cisco Bug: CSCuj18405 - ap3600+11ac-module has temporary I2c bus failure
Nov 29, 2018
- Cisco Aironet 3700 Series Access Points
Known Affected Releases
10.1(0.87) 7.6(1.43) 7.6(1.76)
Symptom: 11ac radio on AP3600ac needs couple of times enable or disable the radio to make it either UP or DOWN respectively. This issue is intermittent and consistent some times. Conditions: Shut the 5ghz radio, enable 11n and 11ac. Apply "no shut" on 5ghz radio. Both 11n and 11ac are UP as expected. Now, shut 5ghz radio, disable 11ac and enable 11n. Apply "no shut" on 5ghz radio. Sometimes 11ac radio is not DOWN. Shut 5ghz radio, disable 11ac and 11n. Apply "no shut" on 5ghz radio. Both radios are DOWN as expected. Now shut the 5ghz radio, enable 11n and 11ac. Apply "no shut" on 5ghz radio. Some times 11ac radio is not UP.
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