# Create Pools on Load Balancing

## <mark style="color:green;">**Procedure**</mark> <a href="#procedure" id="procedure"></a>

**Step 1:** Log in to the HI GIO PORTAL as an Organization Administrator and Navigate to &#x20;

**Networking** > **Edge Gateway** > **Load Balancer** > **Pool**.

**Step 2:** Press **ADD** to create and configure a load balancer pool.

{% tabs %}
{% tab title="1. Create a pool for non-encrypted application" %}
**General Settings Tab:**

* *<mark style="color:blue;">**Name:**</mark> <mark style="color:blue;"></mark><mark style="color:blue;">type Pool name (example IIS-Web-Pool)</mark>*
* *<mark style="color:blue;">**Default Server Port:**</mark> <mark style="color:blue;"></mark><mark style="color:blue;">The destination server port used by the traffic sent to the member (example 80)</mark>*
* *<mark style="color:blue;">**Load Balancer Algorithm:**</mark> <mark style="color:blue;"></mark><mark style="color:blue;">(example Round Robin)</mark>*

*<mark style="color:blue;">NSX ALB supports various Load-balancing methods:</mark>*

*<mark style="color:blue;">Consistent Hash</mark>*

*<mark style="color:blue;">Core Affinity</mark>*

*<mark style="color:blue;">Fastest Response</mark>*

*<mark style="color:blue;">Fewest Servers</mark>*

*<mark style="color:blue;">Least Connections</mark>*

*<mark style="color:blue;">Least Load</mark>*

*<mark style="color:blue;">Round Robin</mark>*

* ***Persistence:** The persistence profile will ensure that the same user sticks to the same server for a desired duration of time (e.g. Client IP)*

*<mark style="color:blue;">NSX ALB supports various</mark> <mark style="color:blue;"></mark><mark style="color:blue;">**Persistence types**</mark><mark style="color:blue;">:</mark>*

*<mark style="color:blue;">System-Persistence-App-Cookie</mark>*

*<mark style="color:blue;">System-Persistence-Client-IP</mark>*

*<mark style="color:blue;">System-Persistence-Custom-HTTP-Header</mark>*

*<mark style="color:blue;">System-Persistence-HTTP-Cookie</mark>*

*<mark style="color:blue;">System-Persistence-TLS</mark>*

* ***Active Health Monitor:** (example HTTP - This will send periodic HTTP HEAD requests to each server in the Pool to check the availability)*

  <figure><img src="/files/LPkToZEWfcYNOaDHSVdz" alt=""><figcaption></figcaption></figure>
* Add two/or more entries in the Members tab and enter the IP Addresses and Port from the Virtual Machines running the application Servers.

<figure><img src="/files/WcnuUSoqDLhWslubfmg5" alt=""><figcaption></figcaption></figure>

* Press **SAVE** to create a non-encrypted pool.
  {% endtab %}

{% tab title="2. Create a pool for encrypted application" %}
**General Settings Tab:**

* *<mark style="color:green;">**Name:**</mark> <mark style="color:green;"></mark><mark style="color:green;">type Pool name (example IIS-Web-Pool)</mark>*
* *<mark style="color:green;">**Default Server Port:**</mark> <mark style="color:green;"></mark><mark style="color:green;">The destination server port used by the traffic sent to the member (example 443)</mark>*
* *<mark style="color:green;">**Load Balancer Algorithm:**</mark> <mark style="color:green;"></mark><mark style="color:green;">(example Round Robin)</mark>*

*<mark style="color:green;">NSX ALB supports various Load-balancing methods:</mark>*

*<mark style="color:green;">Consistent Hash</mark>*

*<mark style="color:green;">Core Affinity</mark>*

*<mark style="color:green;">Fastest Response</mark>*

*<mark style="color:green;">Fewest Servers</mark>*

*<mark style="color:green;">Least Connections</mark>*

*<mark style="color:green;">Least Load</mark>*

*<mark style="color:green;">Round Robin</mark>*

* *<mark style="color:green;">**Persistence:**</mark> <mark style="color:green;"></mark><mark style="color:green;">The persistence profile will ensure that the same user sticks to the same server for a desired duration of time (e.g. Client IP)</mark>*

*<mark style="color:green;">NSX ALB supports various</mark> <mark style="color:green;"></mark><mark style="color:green;">**Persistence types**</mark><mark style="color:green;">:</mark>*

*<mark style="color:green;">System-Persistence-App-Cookie</mark>*

*<mark style="color:green;">System-Persistence-Client-IP</mark>*

*<mark style="color:green;">System-Persistence-Custom-HTTP-Header</mark>*

*<mark style="color:green;">System-Persistence-HTTP-Cookie</mark>*

*<mark style="color:green;">System-Persistence-TLS</mark>*

* *<mark style="color:green;">**Active Health Monitor:**</mark> <mark style="color:green;"></mark><mark style="color:green;">(example HTTPS - This will send periodic HTTPS HEAD requests to each server in the Pool to check the availability)</mark>*

<figure><img src="/files/k9Uu5HIEmY3oKt3dn4Pp" alt=""><figcaption></figcaption></figure>

* Add two/or more entries in the Members Tab and enter the IP Addresses and Port from the Virtual Machines running the application Servers.

<figure><img src="/files/knCBhybxNZr1wVtLvxjC" alt=""><figcaption></figcaption></figure>

In the SSL Settings **Tab**:

* *<mark style="color:green;">**SSL Enable:**</mark> <mark style="color:green;"></mark><mark style="color:green;">Enable</mark>*
* *<mark style="color:green;">**Hide Service Certificates:**</mark> <mark style="color:green;"></mark><mark style="color:green;">disable</mark>*
* *<mark style="color:green;">**Select one or more certificates to be used by the Load Balancer Pool:**</mark> <mark style="color:green;"></mark><mark style="color:green;">Select your Certificate</mark>*

<figure><img src="/files/FO5BAOB2adBmMnwEN6gP" alt=""><figcaption></figcaption></figure>

* Press **SAVE** to create an encrypted pool.
  {% endtab %}
  {% endtabs %}

{% hint style="success" %}

#### **Default Active Health Monitor:** <a href="#default-active-health-monitor" id="default-active-health-monitor"></a>

{% endhint %}

<figure><img src="/files/Fn1ykH6vSrKPOnq3cWOj" alt=""><figcaption><p>Active Health Monitor Flow</p></figcaption></figure>

* **HTTP/HTTPS:**
  * Send Interval: 10s
  * Receive Timeout: 4s
  * Successful Checks: 3
  * Failed Checks: 3
  * Health Monitor Port: use the Default Server Port of the pool.
  * HTTP request: HEAD / HTTP/1.0
  * Response Code: 2xx, 3xx
* **TCP**:
  * Send Interval: 10s
  * Receive Timeout: 4s
  * Successful Checks: 2
  * Failed Checks: 2
  * Health Monitor Port: use the Default Server Port of the pool.
* **UDP:**
  * Send Interval: 4s
  * Receive Timeout: 2s
  * Successful Checks: 2
  * Failed Checks: 2
  * Health Monitor Port: use the Default Server Port of the pool.
* **PING:**
  * Send Interval: 10s
  * Receive Timeout: 4s
  * Successful Checks: 2
  * Failed Checks: 2


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