300-430 · Question #323
An engineer is deploying a Cisco wireless network to support branch offices. All APs are in FlexConnect mode, and the SSIDs switch traffic locally. The customer requires that all QoS for the VoWLAN se
The correct answer is D. MLS Trust COS. For FlexConnect APs with locally switched SSIDs, voice QoS based on Layer 2 markings relies on the 802.1p CoS value in the VLAN tag. The switchport connected to the AP must therefore trust CoS so that the AP’s Layer 2 markings (CoS) are honored and used for QoS decisions, which c
Question
An engineer is deploying a Cisco wireless network to support branch offices. All APs are in FlexConnect mode, and the SSIDs switch traffic locally. The customer requires that all QoS for the VoWLAN service be based on Layer 2 markings. Which configuration is required on the switch ports that connect to the APs?
Options
- AMLS AVVID UP
- BMLS Trust DSCP
- CMLS AVVID 1P
- DMLS Trust COS
How the community answered
(45 responses)- A4% (2)
- B11% (5)
- C7% (3)
- D78% (35)
Explanation
For FlexConnect APs with locally switched SSIDs, voice QoS based on Layer 2 markings relies on the 802.1p CoS value in the VLAN tag. The switchport connected to the AP must therefore trust CoS so that the AP’s Layer 2 markings (CoS) are honored and used for QoS decisions, which corresponds to MLS Trust COS.
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