Knowledge Base Omada Gateway QoS DSCP Reference Table
Omada Gateway QoS DSCP Reference Table
Tags:
#Official
Background:
This post provides a reference table for the DSCP.
This Article Applies to:
All routers with Gateway QoS.
DSCP Reference Table:
| Category | DSCP Value (Decimal) | DSCP Value (Binary) | Usage | Typical Application | |
|---|---|---|---|---|---|
| Default | 0 | 000000 | Default traffic | General web browsing, email | |
| EF | 46 | 101110 | Expedited Forwarding for real-time traffic (e.g., VoIP) | Real-time audio and video (e.g., VoIP, video conferencing) | |
| AF11 | 10 | 001010 | AF Class 1 low drop probability | Non-critical business traffic, low loss requirement | |
| AF12 | 12 | 001100 | AF Class 1 medium drop probability | Business traffic with higher priority | |
| AF13 | 14 | 001110 | AF Class 1 high drop probability | High priority business traffic | |
| AF21 | 18 | 010010 | AF Class 2 low drop probability | Low latency devices (e.g., backup VoIP, video surveillance) | |
| AF22 | 20 | 010100 | AF Class 2 medium drop probability | Bulk data processing, moderate priority | |
| AF23 | 22 | 010110 | AF Class 2 high drop probability | Critical business data, high priority | |
| AF31 | 26 | 011010 | AF Class 3 low drop probability | Streaming media (e.g., live video) | |
| AF32 | 28 | 011100 | AF Class 3 medium drop probability | Large file transfers | |
| AF33 | 30 | 011110 | AF Class 3 high drop probability | Enterprise critical applications (e.g., ERP systems) | |
| AF41 | 34 | 100010 | AF Class 4 low drop probability | High-quality real-time video | |
| AF42 | 36 | 100100 | AF Class 4 medium drop probability | Database synchronization, important data transfer | |
| AF43 | 38 | 100110 | AF Class 4 high drop probability | Critical real-time applications (e.g., financial transactions) | |
| CS1 | 8 | 001000 | Class Selector 1 (backward compatible with IP Precedence 1) | Low priority traffic | |
| CS2 | 16 | 010000 | Class Selector 2 (backward compatible with IP Precedence 2) | Management traffic | |
| CS3 | 24 | 011000 | Class Selector 3 (backward compatible with IP Precedence 3) | VoIP signaling | |
| CS4 | 32 | 100000 | Class Selector 4 (backward compatible with IP Precedence 4) | Control traffic (e.g., routing protocols) | |
| CS5 | 40 | 101000 | Class Selector 5 (backward compatible with IP Precedence 5) | Video conferencing signaling | |
| CS6 | 48 | 110000 | Class Selector 6 (backward compatible with IP Precedence 6) | Network control traffic (e.g., network management) | |
| CS7 | 56 | 111000 | Class Selector 7 (backward compatible with IP Precedence 7) | Network control and management, highest priority |
Update Logs:
Jan 11th, 2024:
Release of this post.
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