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On a Switch 5500-EI, you can set the priority for protocol packets of Telnet, OSPF, SNMP,
and ICMP.
Configuration example
z Set the IP precedence of ICMP packets to 3.
z Display the configuration.
Configuration procedure:
<Sysname> system-view
[Sysname] protocol-priority protocol-type icmp ip-precedence 3
[Sysname] display protocol-priority
Protocol: icmp
IP-Precedence: flash(3)
Marking Packet Priority
Refer to section Priority Marking for information about marking packet priority.
Marking packet priority can be implemented in the following two ways:
z Through traffic policing
When configuring traffic policing, you can define the action of marking the DSCP
precedence for packets exceeding the traffic specification. Refer to section
Configuring
Traffic Policing
.
z Through the traffic-priority command
You can use the traffic priority command to mark the IP precedence, 802.1p priority,
DSCP precedence, and local precedence of the packets.
Configuration prerequisites
The following items are defined or determined before the configuration:
z The ACL rules used for traffic classification have been specified. Refer to the ACL
module of this manual for related information.
z The type and value of the precedence to be marked for the packets matching the ACL
rules have been determined.
z The port or VLAN on which the configuration is to be performed has been determined.
Configuration procedure
Follow these steps to configure priority marking on a port:
To do… Use the command… Remarks
Enter system view
system-view
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