Dell S5248F-ON EMC Solutions for Microsoft Azure Stack HCI Networking Guide - Page 47
Con DCB on Ready Nodes
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9.13 Configure DCB on Ready Nodes This section is only necessary if DCB is used. See Chapter 4 for more information on DCB options. Run the following commands on each of the Ready Nodes in the cluster to configure DCB: 1. Create a new QoS policy with a match condition set to 445. The TCP port dedicated for Server Message Block (SMB) traffic is used to set the priority value to 3. PS> New-NetQosPolicy -Name 'SMB' -NetDirectPortMatchCondition 445 - PriorityValue8021Action 3 2. Create a new QoS policy for cluster heartbeat messages and set the priority value to 5. PS> New-NetQosPolicy -Name 'Cluster' -Cluster -PriorityValue8021Action 5 3. Enable QoS for the network adapter ports. PS> Enable-NetAdapterQos -InterfaceAlias 'SLOT 2 PORT 1','SLOT 2 PORT 2' Note: The InterfaceAlias values above are determined using the Get-NetAdapter PowerShell command. 4. Enable PFC on priority 3 and 5 traffic. PS> Enable-NetQosFlowControl -priority 3 PS> Enable-NetQosFlowControl -priority 5 5. Enable Windows ETS allocation for Priority 3 and 5. PS> New-NetQosTrafficClass -Name 'SMB' -Priority 3 -BandwidthPercentage 50 -Algorithm ETS PS> New-NetQosTrafficClass -Name 'Cluster' -Priority 5 - BandwidthPercentage 1 -Algorithm ETS Note: The bandwidth percentages set above must match that set on the leaf switches in Table 11. 6. Disable DCBx willing mode. PS> Set-NetQosDcbxSetting -Willing $False 7. Set DCBx mode to "Host in charge" on Mellanox adapters. Note: The following command is applicable to the Mellanox Connect-X4 Lx adapters only. This command also disables LLDP on the adapter. PS> Set-NetAdapterAdvancedProperty -Name 'SLOT 2 PORT 1' -DisplayName 'Dcbxmode' -DisplayValue 'Host in charge' PS> Set-NetAdapterAdvancedProperty -Name 'SLOT 2 PORT 2' -DisplayName 'Dcbxmode' -DisplayValue 'Host in charge' DCB configuration on the server is verified with the Get- cmdlets shown in Section 10.11. 47 Dell EMC Solutions for Microsoft Azure Stack HCI Networking Guide
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