Users Guide

dot1p Value in
the Incoming
Frame
Priority Group Assignment
3 SAN
4 IPC
5 LAN
6 LAN
7 LAN
The following describes the priority group-bandwidth assignment.
Priority Group Bandwidth Assignment
IPC 5%
SAN 50%
LAN 45%
PFC and ETS Configuration Command Examples
The following examples show PFC and ETS configuration commands to manage your data center traffic.
1. Enabling DCB
Dell(conf)#dcb enable
2. Configure DCB map and enable PFC, and ETS
Dell(conf)# service-class dynamic dot1p
Or
Dell(conf)# interface tengigabitethernet 1/1
Dell(conf-if-te-1/1)# service-class dynamic dot1p
3. Apply DCB map to relevant interface
dcb-map test
priority-group 1 bandwidth 50 pfc on
priority-group 2 bandwidth 45 pfc off
priority group 3 bandwidth 5 pfc on
priority-pgid 2 2 2 1 3 2 2 2
Example of Applying DCB Map to an Interface
Dell(conf)# int tengigabitethernet 1/1
Dell(conf-if-te-1/1)# dcb-map test
QoS dot1p Traffic Classification and Queue
Assignment
The following section describes QoS dot1P traffic classification and assignments.
DCB supports PFC, ETS, and DCBx to handle converged Ethernet traffic that is assigned to an egress queue according to the
following QoS methods:
Honor dot1p You can honor dot1p priorities in ingress traffic at the port or global switch level (refer to Default dot1p to
Queue Mapping) using the service-class dynamic dot1p command in INTERFACE configuration
mode.
Data Center Bridging (DCB) 272