Switchport Priority Default - Supermicro SSE-G2252 User Manual

switchport priority default

This command sets a priority for incoming untagged frames. Use the no form to restore
the default value.
Syntax
switchport priority default default-priority-id
no switchport priority default
default-priority-id - The priority number for untagged ingress traffic. The priority is a
number from 0 to 7. Seven is the highest priority.
Default Setting
The priority is not set, and the default value for untagged frames received on the
interface is zero.
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
• The precedence for priority mapping is IP DSCP, and then default switchport priority.
• The default priority applies for an untagged frame received on a port set to accept
all frame types (i.e, receives both untagged and tagged frames). This priority does
not apply to IEEE 802.1Q VLAN tagged frames. If the incoming frame is an IEEE
802.1Q VLAN tagged frame, the IEEE 802.1p User Priority bits will be used.
• The switch provides four priority queues for each port. It can be configured to use
strict priority queuing, SDWRR, or a combination of strict and weighted queuing
using the queue mode
tagged with the input port's default ingress user priority, and then placed in the
appropriate priority queue at the output port. The default priority for all ingress ports
is zero. Therefore, any inbound frames that do not have priority tags will be placed
in queue 2 of the output port. (Note that if the output port is an untagged member of
the associated VLAN, these frames are stripped of all VLAN tags prior to
transmission.)
Example
The following example shows how to set a default priority on port 3 to 5:
SSE-G2252(config)#interface ethernet 1/3
SSE-G2252(config-if)#switchport priority default 5
SSE-G2252(config-if)#
Related Commands
"show interfaces switchport" on page 27-16
Chapter 36: Class of Service Commands
command. Inbound frames that do not have VLAN tags are
36-5