ECS4660-28F_Management Guide-R03

C HAPTER 10 | Class of Service
Layer 3/4 Priority Settings
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MAPPING IP PORT
PRIORITY TO INTERNAL
DSCP VALUES
Use the Traffic > Priority > IP Port to DSCP page to map network
applications designated by a TCP/UDP destination port number in the frame
header to per-hop behavior and drop precedence values for internal
priority processing.
CLI REFERENCES
◆ "qos map ip-port-dscp" on page 1398
COMMAND USAGE
◆ This mapping table is only used if the protocol type of the arriving
packet is TCP or UDP. Some of the more common TCP service ports
include: HTTP: 80, FTP: 21, Telnet: 23 and POP3: 110.
◆ No default mapping is defined for ingress TCP/UDP port types.
PARAMETERS
These parameters are displayed in the web interface:
◆ Port – Specifies a port.
◆ IP Protocol
■
TCP – Transport Control Protocol
■
UDP – User Datagram Protocol
◆ Destination Port Number – 16-bit TCP/UDP destination port number.
(Range: 0-65535)
◆ 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 TCP/UDP port number to per-hop behavior and drop precedence in
the web interface:
1. Click Traffic, Priority, IP Port to DSCP.
1. Select Configure from the Action list.
2. Select a port.
3. Set the PHB and drop precedence for any TCP or UDP port.
4. Click Apply.