300-425 · Question #6
A company has 10 access point licenses available on their backup Cisco WLC and their primary Cisco WLC is at full capacity, 5 access points are set to high failover priority and 7 access points are…
The correct answer is D. network ap-priority is set to disable. When 'network ap-priority' is disabled on the backup WLC, the controller ignores AP priority levels and admits APs on a first-come basis, allowing high-priority APs to consume license slots before all critical APs can join.
Question
A company has 10 access point licenses available on their backup Cisco WLC and their primary Cisco WLC is at full capacity, 5 access points are set to high failover priority and 7 access points are set to critical failover priority. During a failure, not all critical access points failed over to the backup Cisco WLC. Which configuration is the cause of this issue?
Exhibit
Options
- AThe high priority access point is oversubscribed.
- Bnetwork ap-priority is set to enable.
- CThe critical priority access point count is oversubscribed.
- Dnetwork ap-priority is set to disable.
How the community answered
(23 responses)- A9% (2)
- B4% (1)
- C4% (1)
- D83% (19)
Why each option
When 'network ap-priority' is disabled on the backup WLC, the controller ignores AP priority levels and admits APs on a first-come basis, allowing high-priority APs to consume license slots before all critical APs can join.
High-priority AP oversubscription is a symptom of the misconfiguration, not the root cause - the root cause is that priority enforcement is disabled on the WLC.
Having 'network ap-priority' set to enable would be the correct configuration that resolves the issue, not the cause of it.
While 12 total APs exceed the 10 available licenses, critical APs should still all join before any high-priority APs if priority is enabled - the count alone is not the cause of critical APs failing over.
The 'network ap-priority' command on a Cisco WLC must be enabled for the controller to honor AP failover priority levels during a failover event. When it is disabled, the WLC accepts APs in the order they connect regardless of assigned priority, so high-priority APs can fill the 10 available license slots before all 7 critical-priority APs successfully associate.
Concept tested: Cisco WLC network ap-priority command configuration
Source: https://www.cisco.com/c/en/us/td/docs/wireless/controller/8-10/config-guide/b_cg810/configuring_cisco_access_points.html
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