ICP DAS USA MSM-508FCS - Manual (Page 24)

Industrial Ethernet Layer 2 Managed Switch – Web Management Manual
April 29, 2008 21
IP ToS/DiffServ
Enable/Disable specified ports using the TOS (Type of Service) and/or DiffServ
(Differentiated Service) field in IPv4 frame.
802.1p Tag over Tos/DiffServ
If <802.1p Tag Priority> and are both enabled, you have to decide a
priority between those two settings.
Enable : Use tag fields for priority mapping when both field types are present.
Disable : Use IP fields for priority mapping when both field type are present.
Default Priority
Specify the port priority of the ingress frames to the priority queues.
Tag Priority
Set the tag priority mapping to 4 different egress queues.