Configuration & Troubleshooting of Aruba Solutions Flashcards
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An administrator needs to configure a VLAN on an Aruba switch to carry traffic for multiple SSIDs. Which command correctly creates VLAN 20 and assigns it a name?
Answer: vlan 20 name Corporate
The command 'vlan 20 name Corporate' is the correct ArubaOS-Switch syntax to create VLAN 20 and assign it the name Corporate.
A wireless client is associated but cannot obtain an IP address. The SSID is mapped to VLAN 30. What is the first troubleshooting step?
Answer: Verify the DHCP server has a scope for VLAN 30
If a client associates successfully but cannot get an IP, verifying that a DHCP scope exists for the mapped VLAN is the first logical step.
Which Aruba CLI command displays the current status and configuration of all SSIDs broadcast by an AP?
Answer: show ap bss-table
'show ap bss-table' lists all BSSIDs and their associated SSIDs currently being broadcast by Aruba APs.
A new Aruba IAP is powered on but does not appear in the Instant network. The AP has an IP address via DHCP. What should be checked next?
Answer: Verify the AP can reach the Virtual Controller IP on UDP 8211
Aruba Instant APs discover and join the Virtual Controller using UDP port 8211; a firewall blocking this port prevents cluster formation.
When configuring WPA3-SAE on an Aruba controller, what must also be enabled to support legacy WPA2 clients simultaneously?
Answer: WPA3 Transition Mode (SAE Mixed)
WPA3 Transition Mode (SAE Mixed) allows both WPA2-PSK and WPA3-SAE clients to connect to the same SSID simultaneously.
An Aruba controller shows 'AP is down' for a remote AP that was previously functioning. Which log on the controller should be checked first?
Answer: show log all | include
Filtering system logs with the AP name quickly reveals connection errors, certificate failures, or tunnel drops affecting the AP.
In an Aruba mobility architecture, what is the function of the 'user-role' applied at the point of authentication?
Answer: It defines firewall policies, VLAN assignment, and bandwidth limits for the authenticated user
A user role in ArubaOS binds together access control policies, VLAN, QoS, and bandwidth parameters applied to a user after authentication.