Configure Validate and Troubleshoot Wireless QoS on 9800 WLC

Publisher

Cisco

URL

https://www.cisco.com/c/en/us/support/docs/wireless/catalyst-9800-series-wireless-controllers/222241-configure-validate-and-troubleshoot-wire.html

Published

2024-07-29

Updated

unknown

Accessed

2026-10-02

HTTP status

200

License

Cisco website terms of use; no-redistribution; short excerpts and locators only

Source notes citing this source

• The Catalyst 9800 WLC maps DSCP 46 to 802.11 User Priority 6 (voice). in context
• Catalyst 9800 Metal QoS profiles cap DSCP at 46 for Platinum, 34 for Gold, 0 for Silver and 8 for Bronze, and traffic marked above the ceiling is remarked down to it. in context
• By default a Catalyst 9800 WLC has no Metal QoS policy applied, so traffic passes without metal-profile DSCP ceilings unless an administrator configures one. in context
• Starting with IOS XE 17.4 the Catalyst 9800 WLC trusts the client DSCP in the AP join profile by default (qos-map trust-dscp-upstream), preserving client DSCP upstream. in context
• Cisco's 9800 QoS tech note validates markings with wired-side packet captures, over-the-air captures for UP values, and the show policy-map interface wireless client mac, show wireless client mac service-policy and show dot11 qos commands. in context

Cite this source record

APA

WarmTransfer. (2024, July 29). Configure Validate and Troubleshoot Wireless QoS on 9800 WLC. WarmTransfer. https://warmtransfer.net/knowledge/sources/cisco-technote-222241-c9800-wireless-qos

BibTeX

@misc{warmtransfer-cisco-technote-222241-c9800-wireless-qos,
  title  = {Configure Validate and Troubleshoot Wireless QoS on 9800 WLC},
  author = {{WarmTransfer}},
  year   = {2024},
  url    = {https://warmtransfer.net/knowledge/sources/cisco-technote-222241-c9800-wireless-qos},
  note   = {Cisco, accessed 2026-10-02}
}