Monday, September 20, 2010

Update: WLC Upgrade Issue Affects 11n Data Rates

Update Sep. 20, 2010: Cisco has created new bug ID CSCti89945 for this issue. See my original post on this issue here.

CSCti89945 Bug Details

wlc upgrade to 7.0.98.0, N breaks requires wlan deletion-readdition.

Symptom:

when a wlc is upgrade from say 4.2.176.0 or later to 7.0.98.0 the wlans do not work with the N rates. a/b/g regular rates work on N capable clients

Conditions:

Issue is seen specifc to N rates when upgrade from lower versions to 7.0.98.0

Workaround:

Delete the WLAN and recreate or add the WLANs back for N rates to start working on wlc.

-Andrew

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