Recommended Computing Resources for Cisco SD-WAN Controller Release 20.8.x (On-Prem Deployment)

Single Tenant

The supported hardware specifications for the Cisco vBond Orchestrator, Cisco vManage, and the Cisco vSmart Controller are as follows:


Note


For cloud deployments, the Cisco operation teams actively monitor the customer deployment and add resource in collaboration with the customer. This topic does not include recommendations for Cisco cloud deployments.



Note


The controller and the device version should be the same, to achieve the below scale.


Table 1. Cisco SD-WAN Manager Recommended Computing Resources

Devices

Aggregated Statistics from Edge Devices

Nodes and Deployment Models

vCPUs *

RAM*

Storage Size*

Deployment Type

On-Prem

** SD-WAN Application Intelligence Engine (SAIE) Disabled

<250

Disabled

One Node vManage (All Services)

16 vCPUs

32 GB RAM

500 GB

UCS

250-1000

Disabled

One Node vManage (All Services)

32 vCPUs

64 GB RAM

1 TB

UCS

1000-1500

Disabled

One Node vManage (All Services)

32 vCPUs

128 GB RAM

1 TB

UCS

1500-2000

Disabled

Three Node vManage Cluster (All Services)

32 vCPUs

64 GB RAM

1 TB

UCS

2000-5000

Disabled

Three Node vManage Cluster (All Services)

32 vCPUs

128 GB RAM

1 TB

UCS

5000-7000

Disabled

Six Node vManage Cluster (3 Node with ConfigDB) and all nodes messaging server,Stats, and AppServer

32 vCPUs

128 GB RAM

1 TB

UCS

0-2000

Disabled

Three Node vManage Cluster (All Services)

32 vCPUs

64 GB RAM

1 TB

HX

2000-5000

Disabled

Three Node vManage Cluster (All Services)

32 vCPUs

128 GB RAM

1 TB

HX

** SD-WAN Application Intelligence Engine (SAIE) Enabled

<500

50 GB/Day

One Node vManage (All Services)

32 vCPUs

128 GB RAM

10 TB

UCS

500-2000

100 GB/Day

Three Node vManage Cluster (All Services)

32 vCPUs

128 GB RAM

10 TB

UCS

2000-7000

2.0 TB/Day**

Six Node vManage Cluster (3 Node with ConfigDB) and all nodes messaging server,Stats, and AppServer

32 vCPUs

128 GB RAM

10 TB

UCS


Note


  • *For a larger dataset per day, run Stats on all the servers.

  • ** Along with the SAIE, the Approute statistics are also considered in the recommendations.

  • * vCPU, RAM, and Storage Size numbers are on per Cisco SD-WAN Manager basis. The Storage Size numbers are the maximum tested values by Cisco, you can allocate smaller storage sizes.


** For a larger dataset per day, have Stats running on all servers.

To achieve scale beyond the above mentioned numbers, deploy multiple overlays.


Note


In Cisco vManage Release 20.5.1 and earlier releases, You can modify the DPI size to the desired value to achieve the above mentioned storage size numbers.



Note


Starting from Cisco vManage Release 20.6.1, you can achieve the above mentioned storage size numbers by modifying the aggregated DPI size. The aggregated DPI size is unidimensional and varies when the deployment includes edge devices that run on a mix of releases (Cisco SD-WAN Release 20.6.x and earlier releases). The aggregated DPI also varies when on-demand troubleshooting is enabled for the devices.

Ensure that both the DPI and aggregated DPI index sizes are configured to enable on-demand troubleshooting.

To modify the aggregated DPI value,

  1. From the Cisco vManage menu, choose Administration > Settings.

  2. Click Edit next to Statistics Database Configuration.

  3. Modify the Aggregated DPI size to the desired value based on your DPI traffic, the default disk size allocation is 5 GB.



Note


When DPI is enabled, you must set the Statistics Collection timer to 30 minutes or higher.

To set the Statistics Collection timer,

  1. From the Cisco vManage menu, choose Administration > Settings.

  2. Click Edit next to Statistics Configuration.

  3. Modify the Collection Interval minutes to the desired value based on your DPI traffic, the default collection interval is 30 minutes.

  4. Click Save.


Table 2. Cisco Catalyst SD-WAN Validator Recommended Computing Resources for HX/UCS

Devices

vCPUs

RAM

OS Volume

vNICs

1-50

2

4 GB

10 GB

2 (one for tunnel interface, one for management)

51-250

2

4 GB

10 GB

2 (one for tunnel interface, one for management)

251-1000

2

4 GB

10 GB

2 (one for tunnel interface, one for management)

1001 or more

4

8 GB

10 GB

2 (one for tunnel interface, one for management)


Note


The tested and recommended limit of supported Cisco vBond Orchestrator instances in a single Cisco SD-WAN overlay is eight.


Table 3. Cisco Catalyst SD-WAN Controller Recommended Computing Resources for HX/UCS

Devices

vCPUs

RAM

OS Volume

vNICs

1-50

2

4 GB

16 GB

2 (one for tunnel interface, one for management)

51-250

4

8 GB

16 GB

2 (one for tunnel interface, one for management)

251-1000

4

16 GB

16 GB

2 (one for tunnel interface, one for management)

1001 or more

8

16 GB

16 GB

2 (one for tunnel interface, one for management)



Testbed Specifications

Table 4. Testbed specifications for UCS Platforms

Hardware SKU

Specifications

UCSC-C240-M5SX

UCS C240 M5 24 SFF + 2 rear drives without CPU, memory cards, hard disk, PCIe, PS

UCS-MR-X16G1RT-H

16GB DDR4-2933-MHz RDIMM/1Rx4/1.2v

UCS-CPU-I6248R

Intel 6248R 3GHz/205W 24C/35.75MB DDR4 2933MHz

UCS-SD16T123X-EP

1.6TB 2.5in Enterprise Performance 12G SAS SSD (3X endurance)


Note


Any UCS Platform (Fifth generation and above) with the same or higher hardware specifications mentioned in the above table supports Cisco SD-WAN Controllers with similar scale numbers mentioned in this document.


Drive specifications:

  • Interface Speed— 12.0 Gbit per second

  • Read speed (64KB) —1800 MB per second

  • Write speed (64KB)—850 MB per second


Note


  • The recommended numbers are based on the test setup specifications. Systems below these requirements may have challenges processing high volume of statistics data like SAIE.

  • Tested with 10 TB Volume (8 X 1.6 TB SSD Drives Raid 0).

  • Default hyperthreading is enabled.

  • Slower disks can impact processing speed.


Table 5. Testbed specifications for HX Platforms

Hardware SKU

Specifications

HXAF240-M5SX

Cisco HyperFlex HX240c M5 All Flash Node

HX-MR-X32G2RT-H

32GB DDR4-2933-MHz RDIMM/2Rx4/1.2v

HX-CPU-I6248

Intel 6248 2.5GHz/150W 20C/24.75MB 3DX DDR4 2933 MHz

HX-SD38T61X-EV

3.8TB 2.5 inch Enterprise Value 6G SATA SSD

HX-NVMEXPB-I375

375GB 2.5 inch Intel Optane NVMe Extreme Performance SSD

Drive specifications:

  • The tested replication factor is 3.

  • The default compression on the HX system is applicable to all cases. This compression is automatically determined by the system and cannot be configured.



Multitenant

The supported hardware specifications for the Cisco vBond Orchestrator, Cisco vManage, and the Cisco vSmart Controllers are as follows:

Table 6. Hardware Specifications to Support 50 Tenants and 1000 Devices

Server

Cisco vManage

Cisco vBond Orchestrator

Cisco vSmart Controller

Deployment Model

On-premises Cluster

On-premises deployment

On-premises deployment

Number of Instances

3 Compute+Data nodes

2 instances

2 instances per 24 tenants

To support 50 tenants and 1000 devices across all tenants, deploy 6 Cisco vSmart Controller instances.

CPU

DRAM

Hard Disk

32 vCPU

128 GB

Minimum: 1 TB; Recommended: 10 TB

4 vCPU

4 GB

10 GB

8 vCPU

16 GB

10 GB

Bandwidth

1 Gbps

10 Mbps

100 Mbps

Table 7. Hardware Specifications to Support 100 Tenants and 5000 Devices

Server

Cisco vManage

Cisco vBond Orchestrator

Cisco vSmart Controller

Deployment Model

On-premises Cluster

On-premises deployment

On-premises deployment

Number of Instances

6 nodes: 3 Compute+Data nodes and 3 Data nodes

2 instances

2 instances per 24 tenants

To support 100 tenants and 5000 devices across all tenants, deploy 10 Cisco vSmart Controllers.

CPU

DRAM

Hard Disk

64 vCPU

128 GB

Minimum: 2 TB; Recommended: 10 TB

4 vCPU

4 GB

10 GB

8 vCPU

16 GB

10 GB

Bandwidth

1 Gbps

10 Mbps

100 Mbps


Note


  • If DPI is enabled, we recommend that the aggregated DPI data (across all Cisco vManage nodes and all tenants in the multitenant system) does not exceed 350 GB per day. If the DPI data exceeds 350 GB per day, increase the Hard Disk capacity of each Cisco vManage node up to 10 TB.

  • A pair of Cisco vSmart Controllers supports 24 tenants and 1000 devices across all tenants.

  • A tenant can add a maximum of 1000 devices.

  • The tested and recommended limit of supported Cisco vBond Orchestrator instances in a single Cisco SD-WAN overlay is eight.