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7 Configure leaf switches This chapter details the configuration commands issued to the S5248F-ON leaf switches. The switches start at their factory default settings per Section 6.3. The commands in the sections that follow should be entered in the order shown. Note: S5248F-Leaf1A and S5248F-Leaf1B switch running-configuration files, with and without DCB, are provided as text file attachments to this .pdf. Section 1.2 describes how to access .pdf attachments. The ports used in the leaf switch configuration examples are shown in Figure 22. Ports 1-4, highlighted in green, are the storage connections to the four Ready Nodes. Ports 21-24 and 31, highlighted in blue, are the in-band management connections to the four Ready Nodes and the management system. Ports 49-52 are used for the VLTi. Note: The VLTi connections are made using two QSFP28 Double Density DAC cables, 2x100GbE per cable. S5248F-ON Stack ID Leaf 1A S5248F-ON Stack ID Leaf 1B R740xd S2D Ready Node 1 25GbE Storage traffic (Ports 1-4) 10GbE In-band mgmt and VM traffic (Ports 21-24 & 31) 2x100GbE VLTi (Ports 49-52) Connections and ports used Note: This chapter ends with Section 7.7 - Configure DCB. If DCB is used in your deployment, follow the steps in Sections 7.1-7.7. If DCB is not used, follow the steps in Sections 7.1-7.6 and skip Section 7.7. GRN=10G ACT/ LNK A GRN=10G ACT/ LNK B 24 Dell EMC Solutions for Microsoft Azure Stack HCI Networking Guide

Section	Page
1 Introduction	6
1.1 Typographical conventions	6
1.2 Attachments	6
2 Hardware Overview	7
2.1 Dell EMC Networking S5248F-ON	7
2.2 Dell EMC Networking S3048-ON	7
2.3 Dell EMC S2D Ready Nodes	7
2.4 Management system	8
2.5 Supported Dell EMC Networking switches	8
3 Topology	9
3.1 Connections to leaf switches	10
3.2 Connections to OOB management switch	11
4 Configuration planning	12
4.1 RDMA overview	12
4.2 DCB overview	12
4.3 Ready Node network adapter options	12
4.3.1 QLogic FastLinQ QL41262	12
4.3.2 Mellanox ConnectX-4 Lx	12
4.4 Adapter/RDMA/DCB options	13
4.5 VLANs and IP addressing	13
5 Configure network adapters	14
5.1 Reset network adapters to factory defaults	14
5.2 Configure QLogic QL41262 adapters	15
5.3 Verify Mellanox ConnectX-4 Lx adapter settings	19
6 Leaf switch configuration prerequisites	22
6.1 Check switch OS version	22
6.2 Verify license installation	22
6.3 Factory default configuration	23
7 Configure leaf switches	24
7.1 General settings	25
7.2 Configure port-groups	25
7.3 Configure VLANs and VRRP	26
7.4 Configure storage interfaces	27
7.5 Configure in-band management interfaces	28
7.6 Configure VLT	29
7.7 Configure DCB	30
8 Switch validation	33
8.1 General commands	33
8.1.1 show interface status	33
8.1.2 show vlan	33
8.1.3 show lldp neighbors	34
8.1.4 show vrrp brief	34
8.2 VLT validation commands	35
8.2.1 show vlt domain_id	35
8.2.2 show vlt domain_id backup-link	35
8.2.3 show vlt domain_id mismatch	36
9 S2D Ready Node configuration and deployment	37
9.1 Initial state	37
9.2 Ensure DCB is disabled on Intel X710 adapters	38
9.3 Install roles and features	39
9.4 Configure the in-band management and VM network	39
9.5 Configure storage networks	40
9.5.1 Configure storage VLANs	40
9.5.2 Configure storage IP addresses	40
9.5.3 Enable RDMA	41
9.5.4 Enable iWARP on QLogic adapters	41
9.5.5 Enable jumbo frames on NICs	41
9.6 Join Ready Nodes to the Active Directory domain	42
9.7 Clean disks	42
9.8 Run the Test-Cluster cmdlet	44
9.9 Create the cluster	44
9.10 Configure a cluster witness	45
9.11 Enable S2D	46
9.12 Create storage volumes	46
9.13 Configure DCB on Ready Nodes	47
10 PowerShell validation commands and output	48
10.1 Get-NetAdapter	48
10.2 Get-VMSwitch	48
10.3 Get-NetIPAddress	49
10.4 Get-NetRoute	49
10.5 Get-DnsClientServerAddress	49
10.6 View VLAN IDs	49
10.7 Get-NetAdapterRdma	50
10.8 Ensure iWARP is enabled (QLogic adapters only)	50
10.9 View jumbo frame settings	50
10.10 Storage validation commands	51
10.10.1 Get-PhysicalDisk	51
10.10.2 Get-StoragePool	52
10.10.3 Get-VirtualDisk	52
10.11 DCB validation commands	52
10.11.1 Get-NetQosPolicy	52
10.11.2 Get-NetAdapterQos	53
10.11.3 Get-NetQosFlowControl	54
10.11.4 Get-NetQosTrafficClass	54
10.11.5 Get-NetQosDcbxSetting	54
10.11.6 Verify Mellanox adapters are set to “Host in Charge”	54
11 Switch DCB validation commands	55
11.1 Show queuing statistics	55
11.2 Show interface priority flow control	55
A Validated components	56
A.1 Dell EMC Networking Switches	56
A.2 S2D Ready Nodes	56
A.3 Management System	57
A.4 Dell EMC Networking Optics and Cables	58
A.5 S2D Ready Node and management system software	58
B Port-groups	59
C Technical resources	61
D Fabric Design Center	62

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Dell EMC Solutions for Microsoft Azure Stack HCI Networking Guide

Configure leaf switches

This chapter details the configuration commands issued to the S5248F-ON leaf switches. The switches start

at their factory default settings per Section 6.3. The commands in the sections that follow should be entered in

the order shown.

Note:

S5248F-Leaf1A and S5248F-Leaf1B switch running-configuration files, with and without DCB, are

provided as text file attachments to this .pdf. Section 1.2 describes how to access .pdf attachments.

The ports used in the leaf switch configuration examples are shown in Figure 22. Ports 1-4, highlighted in

green, are the storage connections to the four Ready Nodes. Ports 21-24 and 31, highlighted in blue, are the

in-band management connections to the four Ready Nodes and the management system. Ports 49-52 are

used for the VLTi.

Note:

The VLTi connections are made using two QSFP28 Double Density DAC cables, 2x100GbE per cable.

Stack ID

GRN=10G

ACT/ LN K A

GRN=10G

ACT/ LN K B

25GbE Storage traffic (Ports 1-4)

10GbE In-band mgmt and VM traffic (Ports 21-24 & 31)

2x100GbE VLTi (Ports 49-52)

S5248F-ON

Leaf 1A

S5248F-ON

Leaf 1B

R740xd

S2D Ready

Node 1

Connections and ports used

Note:

This chapter ends with Section 7.7 -

Configure DCB

. If DCB is used in your deployment, follow the

steps in Sections 7.1-7.7. If DCB is not used, follow the steps in Sections 7.1-7.6 and skip Section 7.7.