Qos Dot1P Traffic Classification And Queue Assignment; Configuring The Dynamic Buffer Method - Dell S6100 Configuration Manual

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Field
Local DCBx Status: Sequence Number
Local DCBx Status: Acknowledgment Number
Local DCBx Status: Protocol State
Peer DCBx Status: DCBx Operational Version
Peer DCBx Status: DCBx Max Version Supported
Peer DCBx Status: Sequence Number
Peer DCBx Status: Acknowledgment Number
Total DCBx Frames transmitted
Total DCBx Frames received
Total DCBx Frame errors
Total DCBx Frames unrecognized
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.
Layer 2 class maps
You can use dot1p priorities to classify traffic in a class map and apply a service policy to an ingress port to map
traffic to egress queues.
NOTE:
Dell Networking does not recommend mapping all ingress traffic to a single queue when using PFC and ETS. However,
Dell Networking does recommend using Ingress traffic classification using the service-class dynamic dot1p command
(honor dot1p) on all DCB-enabled interfaces. If you use L2 class maps to map dot1p priority traffic to egress queues, take into
account the default dot1p-queue assignments in the following table and the maximum number of two lossless queues supported
on a port (refer to
Configuring Lossless
Although Dell Networking OS allows you to change the default dot1p priority-queue assignments (refer to
Incoming
Traffic), DCB policies applied to an interface may become invalid if you reconfigure dot1p-queue mapping. If the configured
DCB policy remains valid, the change in the dot1p-queue assignment is allowed.

Configuring the Dynamic Buffer Method

Priority-based flow control using dynamic buffer spaces is supported on the switch.
To configure the dynamic buffer capability, perform the following steps:
1
Enable the DCB application. By default, DCB is enabled and link-level flow control is disabled on all interfaces.
CONFIGURATION mode
268
Data Center Bridging (DCB)
Description
Sequence number transmitted in Control TLVs.
Acknowledgement number transmitted in Control TLVs.
Current operational state of DCBx protocol: ACK or IN-SYNC.
DCBx version advertised in Control TLVs received from peer device.
Highest DCBx version supported in Control TLVs received from
peer device.
Sequence number transmitted in Control TLVs received from peer
device.
Acknowledgement number transmitted in Control TLVs received
from peer device.
Number of DCBx frames sent from local port.
Number of DCBx frames received from remote peer port.
Number of DCBx frames with errors received.
Number of unrecognizable DCBx frames received.
Queues).
Setting dot1p Priorities for

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