Question 8

Question

Two cisco 5520 wireless LAN controllers are managing all access points throughout the network. The
WLCs are in different locations to provide geographical redundancy a mobility group has been
configured on both WLCs and has a UP status on both controllers. The Aps in location A are statically
configured to use controller A as the primary and controller B as the secondary. If the WLC in location
A goes offline. The Aps successfully join the WLC in location, but they do not fail over to their primary
configured controller. Which configuration task fixes the issue?

Accepted Answer

Enable AP fallback globally on the WLC

Mia V. · Answer

D imo , since changing the AP Failover Priority to critical seems like it should force the APs to return to their primary faster. The auto-fallback part feels like a trap in C but open to another take.

Cameron S. · Answer

Option C fixes it because without global AP fallback enabled, APs won't move back to their primary controller once it's online again. I remember a similar edge case in a practice test where fallback had to be explicitly turned on. Correct me if someone knows a firmware that flips this.

MiaR · Answer

Seen this in some practice labs, enabling AP fallback globally on the WLC (so C) is necessary for APs to automatically return to their primary controller after a failover. Just setting priorities or using DHCP options won’t trigger the fallback. If you’re prepping, official Cisco guides and lab practice really help clarify these controller behaviors. Pretty sure about C but let me know if someone has had different results.

Nina J. · Answer

Its D, but if fallback isn't needed automatically this option still controls which controller gets picked first after outage.

Robin V. · Answer

C . D looks tempting but that's only for failover priority, not for automatic fallback. Seen similar question on practice sets where enabling AP fallback globally lets APs rejoin their primary controller when it's back online.

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