200-301 · Question #965
Which WLC interface provides out-of-band management in the Cisco Unified Wireless Network Architecture?
The correct answer is B. service port. The service port can be used management purposes, primarily for out-of-band management. However, AP management traffic is not possible across the service port. In most cases, the service port is used as a "last resort" means of accessing the controller GUI for management purposes
Question
Options
- AAP-Manager
- Bservice port
- Cdynamic
- Dvirtual
How the community answered
(60 responses)- A3% (2)
- B88% (53)
- C2% (1)
- D7% (4)
Explanation
The service port can be used management purposes, primarily for out-of-band management. However, AP management traffic is not possible across the service port. In most cases, the service port is used as a "last resort" means of accessing the controller GUI for management purposes. For example, in the case where the system distribution ports on the controller are down or their communication to the wired network is otherwise degraded. The service port is controlled by the service-port interface and is reserved for out-of-band management of the controller and system recovery and maintenance in the event of a network failure. It is also the only port that is active when the controller is in boot mode. The service port is not capable of carrying 802.1Q tags, so it must be connected to an access port on the neighbor switch. Use of the service port is optional. Service ports are not intended for high volume of traffic. We recommend that you use the management interface through the system distribution ports (dedicated or LAG). Service ports can be used for SNMP polling.
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