C
HAPTER
10
| Class of Service
Layer 2 Queue Settings
– 274 –
â—† The default internal PHB to output queue mapping is shown below.
â—† The specified mapping applies to all interfaces.
PARAMETERS
These parameters are displayed:
◆ Port – Specifies a port.
◆ PHB – Per-hop behavior, or the priority used for this router hop.
(Range: 0-7, where 7 is the highest priority)
◆ Queue – Output queue buffer. (Range: 0-3, where 3 is the highest CoS
priority queue)
WEB INTERFACE
To map internal PHB to hardware queues:
1. Click Traffic, Priority, PHB to Queue.
2. Select Configure from the Action list.
3. Select a port.
4. Map an internal PHB to a hardware queue. Depending on how an
ingress packet is processed internally based on its CoS value, and the
assigned output queue, the mapping done on this page can effectively
determine the service priority for different traffic classes.
5. Click Apply.
Figure 130: Mapping CoS Values to Egress Queues
To show the internal PHB to hardware queue map:
1. Click Traffic, Priority, PHB to Queue.
2. Select Show from the Action list.
Table 16: Mapping Internal Per-hop Behavior to Hardware Queues
Per-hop Behavior 0 1 2 3 4 5 6 7
Hardware Queues 1 0 0 1 2 2 3 3
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