# IONOS Private Cloud: Important Information About the Configuration of vSphere and NSX-T

This information is intended for users who want to configure vSphere or the NSX-T Data Center. The information in this article is intended for experienced system administrators who are familiar with networking, security operations, and VM technology.

This article explains the default settings that you **must not** change as part of the vSphere and NSX-T configuration.

{% hint style="warning" %}
**Caution:** If you change these default settings, these changes may result in the configured network no longer being usable. If you change the default settings during a data transfer, you may lose data. Therefore, make sure that you do not change the default settings that are shown in this article.
{% endhint %}

## NSX-T Data Center: Tier 0 Gateway

When you add a new Tier-0 gateway or edit an existing Tier-0 gateway, you must ensure that the following settings are active:

### Network > Tier-0 Gateway > Edge Cluster Section

In the **Network > Tier-0 Gateway** section, the default **edge-cluster** setting must be selected in the **Edge Cluster** list.

![Tier 0 Gateway settings with Edge Cluster highlighted](/files/cTqXn68qTFaq8QFSLx7b)

### Network > Tier 0 Gateway > Route Redistribution section

Also ensure that the following **Route Redistribution** settings are enabled:

![Route Redistribution settings highlighted in the configuration interface](/files/JsoPLDPhhQOHaHDvGZar)

To access the Route Redistribution settings, click the corresponding number next to **Route Redistribution**.

![Expanded view of Route Redistribution settings with detailed configuration options](/files/YbbH9IYI8O0YQCyiGwCq)

### Network > Tier-0-Gateway > Interfaces section

In addition, ensure that the following interfaces are listed in the **Network > Tier-0 Gateway** section:

![Interface settings](/files/bW9Q39IVKkKojwSI1Bds)

To view the interfaces, click the number in the **Interface** section.

![Detailed view of Interface configuration settings](/files/nLrmc8wv8fb5aJBrOf29)

### Network > Tier-0-Gateway > BGP section

Verify that the following settings are enabled in the **Network > Tier-0 Gateway > BGP** section:

![BGP settings displayed in the Tier-0 Gateway configuration](/files/5vOGR6igIbQe83IPuDOz)

## NSX-T Data Center: Tier 1 Gateway

When you add a new Tier 1 gateway or edit an existing Tier 1 gateway, you must ensure that the following settings are active:

![Tier 1 Gateway settings and configuration options](/files/nNTFog1xsgmx88Ld7Yl2)

## NSX-T Data Center: NAT

As part of the **NSX-T Data Center** configuration, ensure that the **snat\_internalsubnet** rule for the source IP **10.255.1.0/24** and the **snat1** rule are not changed in the **NAT** section. **SNAT** must be allowed for the network with the IP **10.255.1.0/24** and for the subnet **192.168.0.0/24** and must be configured as the server address for **Local DHCP** or **Remote DHCP** in the IP address management for the Tier 1 gateway.

You can check these rules and the associated settings in the **Network > NAT** section.

![NSX-T NAT SNAT rules configuration](/files/EtOUNuzYqxn6IcUZ1eqb)

## Use of the IONOS Private Cloud in Conjunction with Acronis Backup Services

When you add Acronis backup services to your deployments, a virtual machine named **acronis-customer\_cloud** is automatically added to your **vCenter**. **Network adapter 1** and **Network adapter 2** interfaces are configured for this virtual machine.

{% hint style="warning" %}
**Caution:** If you change the settings of the **Network adapter 1** and **Network adapter 2** interfaces, you may no longer be able to perform backups using the backup services. In addition, there may be a risk of data loss. Therefore, make sure that the settings of these interfaces are not changed.
{% endhint %}


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