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Port-based QoS Configurations
You can configure the following QoS features on an interface:
• Set dot1p Priorities for Incoming Traffic on page 852
• Configure Port-based Rate Policing on page 854
• Configure Port-based Rate Limiting on page 855
• Configure Port-based Rate Shaping on page 856
• Broadcast Storm Control on page 1043
Set dot1p Priorities for Incoming Traffic
Change the priority of incoming traffic on the interface using the command dot1p-priority from
INTERFACE mode, as shown in Figure 41-2. FTOS places traffic marked with a priority in a queue based
on Table 41-2. If you set a dot1p priority for a port-channel, all port-channel members are configured with
the same value. You cannot assign a dot1p value to an individual interfaces in a port-channel.
Figure 41-2. Configuring dot1p Priority on an Interface
FTOS Behavior: The C-Series and S-Series distribute eight dot1p priorities across four data queues.
This is different from the E-Series, which distributes eight dot1p priorities across eight queues
(Table 41-2).
Table 41-2. dot1p-priority values and queue numbers
dot1p
E-Series
Queue
Number
C-Series
Queue
Number
S-Series
Queue
Number
0211
1000
2100
3311
4422
5522
6633
7733
FTOS#config
FTOS(conf)#interface gigabitethernet 1/0
FTOS(conf-if)#switchport
FTOS(conf-if)#dot1p-priority 1
FTOS(conf-if)#end
FTOS#