ECS4660-28F_Management Guide-R03

C HAPTER 10 | Class of Service
Layer 3/4 Priority Settings
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CLI REFERENCES
◆ "qos map ip-prec-dscp" on page 1398
COMMAND USAGE
◆ Enter per-hop behavior and drop precedence for any of the IP
Precedence values 0 - 7.
◆ If the priority mapping mode is set the IP Precedence and the ingress
packet type is IPv4, then the IP Precedence-to-PHB/Drop Precedence
mapping table is used to generate priority and drop precedence values
for internal processing.
PARAMETERS
These parameters are displayed in the web interface:
◆ Port – Specifies a port.
◆ IP Precedence – IP Precedence value in ingress packets. (Range: 0-7)
◆ PHB – Per-hop behavior, or the priority used for this router hop.
(Range: 0-7)
◆ Drop Precedence – Drop precedence used for controlling traffic
congestion. (Range: 0 - Green, 3 - Yellow, 1 - Red)
WEB INTERFACE
To map IP Precedence to internal PHB/drop precedence in the web
interface:
1. Click Traffic, Priority, IP Precedence to DSCP.
1. Select Configure from the Action list.
2. Select a port.
3. Set the PHB and drop precedence for any of the IP Precedence values.
4. Click Apply.
Table 21: Default Mapping of IP Precedence to Internal PHB/Drop Values
IP Precedence Value 0 1 2 3 4 5 6 7
Per-hop Behavior 0 1 2 3 4 5 6 7
Drop Precedence 0 0 0 0 0 0 0 0