Users Guide

class-map match-any dscp-pfc-2
match ip dscp 20-25,30-35
2. Associate above class-maps to Queues Queue assignment to be based on the below table.
Table 18. o Queues Queue Assignment
Internal-
priority
0 1 2 3 4 5 6 7
Queue 1 0 2 3 4 5 6 7
3. Dot1p->Queue Mapping Configuration is retained at the default value.
Default dot1p-queue mapping is,
Dell#show qos dot1p-queue-mapping
Dot1p Priority : 0 1 2 3 4 5 6 7
Queue :2 0 1 3 4 5 6 7
4. Interface Configurations on server connected ports.
a. Enable DCB globally.
Dell(conf)#dcb enable
b. Apply PFC Priority configuration. Configure priorities on which PFC is enabled.
DCBx Example
The following figure shows how to use DCBx.
The device is connected to third-party, top-of-rack (ToR) switches through 40GbE or 10GBE uplinks. The
ToR switches are part of a Fibre Channel storage network. The ports connected to the server with CNA
are configured as auto-downstream ports.
Data Center Bridging (DCB)
295