H3C Technologies H3C WX3000 Series Unified Switches - Manual (Page 362)

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Setting the Priority of Protocol Packets
Refer to Protocol Priority for information about priority of protocol packets.
Configuration prerequisites
z
The protocol type is determined.
z
The priority value is determined.
Configuration procedure
Follow these steps to set the priority for specific protocol packets:
To do… Use the command… Remarks
Enter system view system-view —
Set the priority for
specific protocol
packets
protocol-priority
protocol-type
protocol-type
{ ip-precedence
ip-precedence
| dscp
dscp-value }
Required
You can modify the IP precedence or DSCP
precedence of the corresponding protocol packets.
On a device, you can set the priority for protocol
packets of Telnet, SNMP, and ICMP.
Configuration example
z
Set the IP precedence of ICMP packets to 3.
z
Display the configuration.
Configuration procedure:
system-view
[device] protocol-priority protocol-type icmp ip-precedence 3
[device] display protocol-priority
Protocol: icmp
IP-Precedence: flash(3)
Marking Packet Priority
Refer to Priority Marking for information about marking packet priority.
Marking packet priority can be implemented in the following two ways:
z
Through traffic policing