Under the default 802.11 mapping that takes the top three DSCP bits as the User Priority, EF (101110) maps to UP 5 and lands in the Video access category (AC_VI) instead of the Voice access category (AC_VO).
Checked 2026-10-02
- Vendor
- not restricted
- Product
- not restricted
- Subsystem
- Wi-Fi WMM mapping
- Deployment
- any
- Region
- not restricted
- Release range
- RFC 8325
- Checked
- 2026-10-02
Sources
- RFC 8325: Mapping Diffserv to IEEE 802.11 — IETF / RFC Editor · tier 1 standards and regulators · Section 2.3 and Section 4.2.1
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting voice QoS markings that are stripped or ignored: source note voice-qos-troubleshooting-rfc8325-ef-default-up5. WarmTransfer. https://warmtransfer.net/knowledge/claims/voice-qos-troubleshooting-rfc8325-ef-default-up5
BibTeX
@misc{warmtransfer-claim-voice-qos-troubleshooting-rfc8325-ef-default-up5,
title = {Troubleshooting voice QoS markings that are stripped or ignored: source note voice-qos-troubleshooting-rfc8325-ef-default-up5},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/voice-qos-troubleshooting-rfc8325-ef-default-up5},
note = {Source note voice-qos-troubleshooting-rfc8325-ef-default-up5, checked 2026-10-02}
}