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Licensing Requirements and Limitations for HQoS
Involved Network Elements
Other network elements are not required.
Licensing Requirements
HQoS is a basic feature of a switch and is not under license control.
Feature Support in V200R019C10
Only the following switch model supports HQoS:
S5720-HI, S5731-S, S5731S-S, S5731-H, S5731S-H
Feature Limitations
- Table 11-1 describes the specifications of HQoS.
Table 11-1 Specifications of HQoS
Item
Specifications
Maximum number of flow queues
65528
Maximum number of subscriber queues
Versions earlier than V200R011C10: 8191
V200R011C10 and later versions: 8190
Maximum number of flow queues for which traffic statistics can be collected
16376
Maximum number of port queues
8
Maximum number of flow queue WRED drop profiles
128
Maximum number of flow queue profiles
128
Maximum number of flow mapping profiles
8
- The device supports only HQoS in the outbound direction.
- When each service flow of different users has the same priority, the device cannot provide congestion management for service flows based on users.
- If Eth-Trunk member interfaces are located on both HQoS-capable and HQoS-incapable cards, HQoS with authentication and authorization of wired and wireless users cannot be configured. This is because traffic may be forwarded through an HQoS-incapable card, and HQoS becomes unavailable.