Wireshark exposes the IPv4 DSCP as the display filter field ip.dsfield.dscp, alongside ip.dsfield and ip.dsfield.ecn, so ip.dsfield.dscp == 46 isolates EF-marked packets in a capture.
Checked 2026-10-02
- Vendor
- Wireshark Foundation
- Product
- Wireshark
- Subsystem
- Display filters
- Deployment
- on-premises
- Region
- not restricted
- Release range
- Wireshark 1.0.0 to 4.6.9
- Checked
- 2026-10-02
Sources
- Wireshark Display Filter Reference: Internet Protocol Version 4 — Wireshark Foundation · tier 2 current vendor documentation · Field table rows ip.dsfield, ip.dsfield.dscp, ip.dsfield.ecn
Cite this note
APA
WarmTransfer. (2026, October 2). Troubleshooting voice QoS markings that are stripped or ignored: source note voice-qos-troubleshooting-wireshark-dscp-field. WarmTransfer. https://warmtransfer.net/knowledge/claims/voice-qos-troubleshooting-wireshark-dscp-field
BibTeX
@misc{warmtransfer-claim-voice-qos-troubleshooting-wireshark-dscp-field,
title = {Troubleshooting voice QoS markings that are stripped or ignored: source note voice-qos-troubleshooting-wireshark-dscp-field},
author = {{WarmTransfer}},
year = {2026},
url = {https://warmtransfer.net/knowledge/claims/voice-qos-troubleshooting-wireshark-dscp-field},
note = {Source note voice-qos-troubleshooting-wireshark-dscp-field, checked 2026-10-02}
}