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.
Checked 2026-10-02
- Vendor
- Cisco
- Product
- Catalyst 9800 Wireless Controller
- Subsystem
- Wireless QoS
- Deployment
- on-premises
- Region
- not restricted
- Release range
- IOS XE 17.x
- Checked
- 2026-10-02
Sources
- Configure Validate and Troubleshoot Wireless QoS on 9800 WLC — Cisco · tier 2 current vendor documentation · Background / Default QoS behaviour
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting voice QoS markings that are stripped or ignored: source note voice-qos-troubleshooting-c9800-no-metal-default. WarmTransfer. https://warmtransfer.net/knowledge/claims/voice-qos-troubleshooting-c9800-no-metal-default
BibTeX
@misc{warmtransfer-claim-voice-qos-troubleshooting-c9800-no-metal-default,
title = {Troubleshooting voice QoS markings that are stripped or ignored: source note voice-qos-troubleshooting-c9800-no-metal-default},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/voice-qos-troubleshooting-c9800-no-metal-default},
note = {Source note voice-qos-troubleshooting-c9800-no-metal-default, checked 2026-10-02}
}