DCB/QoS

Question 1

What does DCB stand for?

Answer 1

Data Center Bridging

Question 2

What does QoS stand for?

Answer 2

Quality of Service

Question 3

What are the access categories for Wireless multimedia (WMM)?

Answer 3

Voice = Access Class 6
Video = Access Class 5
Background = Access Class 1
Best Effort = Access Class 0

Question 4

What does Data Center Bridging do?

Answer 4

Allows the classification of traffic via rules and classes for QoS implementation.

Question 5

What is the first step in configuring DCB?

Answer 5

1. Through the Add Roles and Features Wizard in Server Manager or through PowerShell using the command: Install-WindowsFeature Data-Center-Bridging
2. Enable remote configuration utilizing the DCBX protocol using the command: Set-NetQoSDcbxSetting -Willing $True
3. Enable/Verify RDMA on interface(s) using the commands: Enable-NetAdapterRdma -Name “Ethernet 0” or Get-NetAdapterRdma
4. Create QoS rule(s) using the command: New-NetQoSPolicy “SMB_Direct” -NetDirectPortMatchCondition 445 -PriorityValue8021Action 6 or New-NetQoSPolicy “Default” -Default -PriorityValue8021Action 1
5. Define traffic classes using the command: New-NetQoSrafficClass “SMB_Traffic” -Priority 6 -Algorithm ETS -Bandwidth 30
6. Enable-NetAdapterQos -InterfaceAlias “Ethernet 0”

Question 6

What is the 2nd step in configuring DCB?

Answer 6

Enable remote configuration utilizing the DCBX protocol using the command:

Set-NetQoSDcbxSetting -Willing $True

Question 7

What is the 3rd step in configuring DCB?

Answer 7

Enable/Verify RDMA on interface(s) using the commands:

Enable-NetAdapterRdma -Name “Ethernet 0” or
Get-NetAdapterRdma

Question 8

What is the 4th step in configuring DCB?

Answer 8

Create QoS rule(s) using the command:

New-NetQoSPolicy “SMB_Direct” -NetDirectPortMatchCondition 445 -PriorityValue8021Action 6 or
New-NetQoSPolicy “Default” -Default -PriorityValue8021Action 1

Question 9

What is the 5th step in configuring DCB?

Answer 9

Define traffic classes using the command:

New-NetQoSrafficClass “SMB_Traffic” -Priority 6 -Algorithm ETS -Bandwidth 30

Question 10

What is the 6th step in configuring DCB?

Answer 10

Enable DCB on the interface:

Enable-NetAdapterQos -InterfaceAlias “Ethernet 0”