300-365 · Question #2
After implementing mDNS gateway, a school's network administrator notices that mDNS wireless printers are available over the whole network. Which feature can the admin use to restrict the printer…
The correct answer is A. mDNS-AP. The mDNS-AP feature in Cisco WLC scopes mDNS service advertisements to the originating AP and its immediately adjacent APs, preventing network-wide flooding.
Question
After implementing mDNS gateway, a school's network administrator notices that mDNS wireless printers are available over the whole network. Which feature can the admin use to restrict the printer mDNS advertisements to the AP that the printer is joined to and adjacent APs?
Options
- AmDNS-AP
- BSSO
- CLSS
- DPriority MAC
How the community answered
(22 responses)- A77% (17)
- B5% (1)
- C9% (2)
- D9% (2)
Why each option
The mDNS-AP feature in Cisco WLC scopes mDNS service advertisements to the originating AP and its immediately adjacent APs, preventing network-wide flooding.
mDNS-AP is a Cisco WLC feature that restricts mDNS advertisement propagation to only the AP the device is associated with and neighboring APs, giving administrators granular control over mDNS service visibility without requiring network-wide service discovery.
SSO (Single Sign-On) is an authentication and session persistence feature and has no role in scoping mDNS advertisement reach.
LSS (Location Specific Services) is related to device location tracking and proximity-based services, not mDNS advertisement containment.
Priority MAC is a QoS mechanism used to prioritize specific client traffic by MAC address and does not affect mDNS advertisement boundaries.
Concept tested: mDNS gateway AP-scoped advertisement restriction
Source: https://www.cisco.com/c/en/us/td/docs/wireless/controller/technotes/8-8/b_mDNS_tech_guide.html
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