Set Dot1P Priorities For Incoming Traffic; Honor Dot1P Priorities On Ingress Traffic - Dell Force10 S4810P Configuration Manual

•

Set dot1p Priorities for Incoming Traffic

• Configure Port-based Rate Policing
• Configure Port-based Rate Limiting
• Configure Port-based Rate Shaping
Set dot1p Priorities for Incoming Traffic
Change the priority of incoming traffic on the interface using the command
INTERFACE mode, as shown in
on Table
the same value. You cannot assign a dot1p value to an individual interfaces in a port-channel.
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 39-2. dot1p-priority values and queue numbers
dot1p
0
1
2
3
4
5
6
7
Figure 39-2. Configuring dot1p Priority on an Interface
FTOS#config
FTOS(conf)#interface gigabitethernet 1/0
FTOS(conf-if)#switchport
FTOS(conf-if)#dot1p-priority 1
FTOS(conf-if)#end
FTOS#

Honor dot1p Priorities on Ingress Traffic

By default FTOS does not honor dot1p priorities on ingress traffic. Use the command
from INTERFACE mode to honor dot1p priorities on ingress traffic, as shown in
dot1p
can configure this feature on physical interfaces and port-channels, but you cannot configure it on
individual interfaces in a port channel.
820
| Quality of Service (QoS)
Figure
39-2. If you set a dot1p priority for a port-channel, all port-channel members are configured with
E-Series C-Series
Queue Queue
Number Number
2
0
1
3
4
5
6
7
39-2. FTOS places traffic marked with a priority in a queue based
S-Series
Queue
Number
1 1
0 0
0 0
1 1
2 2
2 2
3 3
3 3
from
dot1p-priority
(Table 39-2).
service-class dynamic
Figure 39-3. You