User`s manual

VPort 251 User’s Manual System Configuration
QoS (ToS)
Quality of Service (QoS) provides a traffic prioritization capability to ensure that important data is
delivered consistently and predictably. VPort 251 Series can inspect layer 3 ToS (Type of Service)
information, to provide a consistent classification of the entire network. VPort 251 Series’ ToS
capability improves your industrial network’s performance and determinism for mission critical
applications.
Setting Description Factory Default
Enable ToS Enable the ToS for transmitting the video stream with
the given priority
Disable
DSCP Value Set the mapping table of different ToS values 0, 0
NOTE
To configure the ToS values, please mapping to the network environment settings for the QoS
priority service.
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