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QoS Configuration Commands List 197
Parameter
priority-level: Specifies the priority level of the port, ranging from 0 to 7.
Description
Use the priority command to configure the priority of Ethernet port.
Use the undo priority command to restore the default port priority.
By default, the priority level of the port is 0. The Switch replaces the 802.1p
priority carried by a packet with the port priority that is defined.
Every port on the Switch supports eight packet egress queues. The Switch puts the
packets into different egress queues according to their priorities.
When transmitting a packet, the Switch replaces the packet’s 802.1p priority with
the priority of the received port, according to which the packet will be put into the
corresponding egress queue.
Example
Set the priority of Ethernet1/0/1 port to 7.
<4500>system-view
System View: return to User View with Ctrl+Z
[4500]interface Ethernet 1/0/1
[4500-Ethernet1/0/1]priority 7
[4500-Ethernet1/0/1]
priority trust Syntax
priority trust
undo priority
View
Ethernet Port View
Parameter
None
Description
Use the priority trust command to configure the system to trust the packet’s
802.1p priority and not replace the 802.1p priorities carried by the packets with
the port priority. Use
undo priority command to configure the system not to
trust the packet 802.1p priority.
By default, the system replaces the 802.1p priority carried by a packet with the
port priority.
For the related command, see priority.
Example
Configure the system to trust the packet 802.1p priority and not replace the
802.1p priorities carried by the packets with the port priority.
<4500>system-view