Hi Colin,
Thank you for your response. However, I did not accept your response as a solution because the follow-up question would be: "Where in the Probe Response does advertisement of BSS Transition exist?" After further investigating the IEEE standards (IEEE 802.11-2012), the following was determined:
1) section 10.23.6.1:
"Implementation of BSS Transition Management is optional for a WNM STA. A STA that implements BSS Transition Management has dot11MgmtOptionBSSTransitionImplemented set to true. When
dot11MgmtOptionBSSTransitionImplemented is true, dot11WirelessManagementImplemented shall be
true. A STA that has a value of true for dot11MgmtOptionBSSTransitionManagementActivated is defined
as a STA that supports BSS transition management. A STA for which dot11MgmtOptionBSSTransitionActivated is true shall set the BSS Transition field of the Extended Capabilities element to 1."
2) Table 8-103:
This table lists all the Capabilities field within the Extended Capabilities element (Element ID = 127)
Bit 19 = BSS Transition, The STA sets the BSS Transition field to 1 when dot11MgmtOptionBSSTransitionActivated is
true, and sets it to 0 otherwise.
And finally, the Extended Capabilities Information element exists in BOTH Probe Responses and Beacons.
3) Table 8-20
This table lists the Beacon frame body.
Order 41 = Extended Capabilities, The Extended Capabilities element is optionally present if any of
the fields in this element are nonzero.
4) Table 8-27
This table lists the Probe Response frame body.
Order 39 = Extended Capabilities, The Extended Capabilities element is optionally present if any of
the fields in this element are nonzero.
Also attached is a screenshot of the Exteneded Capabilities field. In this case, the AP does not support BSS Transition.