ECS4110-52T_Management Guide

C HAPTER 10 | Class of Service
Layer 3/4 Priority Settings
– 284 –
◆ PHB – Per-hop behavior, or the priority used for this router hop.
(Range: 0-7)
◆ Drop Precedence – Drop precedence used for Random Early Detection
in controlling traffic congestion. (Range: 0 - Green, 3 - Yellow, 1 - Red)
WEB INTERFACE
To map CoS/CFI values to internal PHB/drop precedence:
1. Click Traffic, Priority, CoS to DSCP.
2. Select Configure from the Action list.
3. Set the PHB and drop precedence for any of the CoS/CFI combinations.
4. Click Apply.
Figure 135: Configuring CoS to DSCP Internal Mapping
Table 18: Default Mapping of CoS/CFI to Internal PHB/Drop Precedence
CFI
CoS
0 1
0(0,0)(0,0)
1(1,0)(1,0)
2(2,0)(2,0)
3(3,0)(3,0)
4(4,0)(4,0)
5(5,0)(5,0)
6(6,0)(6,0)
7(7,0)(7,0)