ZyXEL MES-2110 Support Guide - Page 43

Priority Override Configuration

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MANAGED 8-PORT 10/100 + 2 G DUAL PERSONALITY SWITCH 2.15.3 Tag Priority The user can define up to eight different priority values (0~7) for the Tagged VLAN frames. Select the priority queue number (IEEE 802.1p priority level) for the Switch to map the MAC frames into different priority queues: i.e. High, Preferred, Normal or Low. Use Apply to save the settings. 2.15.4 IP DSCP Priority DiffServ is a class of service (CoS) model that marks frames so that they receive specific per-hop treatment at DiffServ-compliant network devices along the route based on the application types and traffic flow. Frames marked with DiffServ Code Points (DSCPs) indicates the level of service desired. This allows the intermediary DiffServcompliant network devices to handle the frames differently depending on the code points without the need to negotiate paths or remember state information for every flow. In addition, applications do not have to request a particular service or give advanced notice of where the traffic is going. The Priority menu provides up to 63 different priorities. Each number has for priorities - Low, Normal, Prefered, and High. The user can select the most suitable combination. 2.15.5 Priority Override Configuration In this screen, you can enable or disable the priority override configuration for VLAN ID, Destination MAC and Source MAC. 43

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MANAGED 8-PORT 10/100 + 2 G DUAL PERSONALITY SWITCH
43
2.15.3
Tag Priority
The user can define up to eight different priority values (0~7) for the Tagged VLAN
frames. Select the priority queue number (IEEE 802.1p priority level) for the Switch to
map the MAC frames into different priority queues: i.e. High, Preferred, Normal or Low.
Use Apply to save the settings.
2.15.4
IP DSCP Priority
DiffServ is a class of
service
(CoS) model that marks frames so that they receive
specific per-hop
treatment
at DiffServ-compliant network devices along the route based
on the application types and traffic flow. Frames marked with DiffServ Code Points
(DSCPs) indicates the level of service desired. This allows the intermediary DiffServ-
compliant network devices to handle the frames differently depending on the code
points without the need to negotiate paths or remember state information for every flow.
In addition, applications
do
not have to request a particular service or give advanced
notice of where the traffic is going.
The Priority menu provides up to 63 different priorities. Each number has for priorities –
Low, Normal, Prefered, and High. The user can select the most suitable combination.
2.15.5
Priority Override Configuration
In this screen, you can enable or disable the priority override configuration for VLAN ID,
Destination MAC and Source MAC.