# VDC Networking

IONOS Cloud Networks enables IONOS virtual resources to securely communicate with each other, the internet, and on-premises networks. Our broad portfolio of networking products built using Software-Defined Networking (SDN) technology ensure customer workloads can scale and connect securely across both physical and virtual networks. Refer to our user guides, reference documentation, and FAQs to support your virtual networking needs.

### Developer Tools

| [<mark style="color:blue;">**Cloud API**</mark>](https://docs.ionos.com/reference/general-information/core-api-specification#cloud-api) | [<mark style="color:blue;">**Compute SDKs**</mark>](https://docs.ionos.com/reference/#compute-engine-sdks) | [<mark style="color:blue;">**Config Management Tools**</mark>](https://docs.ionos.com/reference/general-information/config-management-tools) |
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### Recommended How-Tos

| [<mark style="color:blue;">**Reserve an IPv4 Address**</mark>](https://docs.ionos.com/cloud/~/revisions/NfgM5VQuRjXRMfbR25yK/network-services/network-services/how-tos/ip-addresses)         | Reserve and return IPv4 addresses for network use.                                                      |
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| [<mark style="color:blue;">**Configure a Network**</mark>](https://docs.ionos.com/cloud/~/revisions/NfgM5VQuRjXRMfbR25yK/network-services/network-services/how-tos/configure-networks)       | Create a private network and add internet access.                                                       |
| [<mark style="color:blue;">**Configure a Firewall**</mark>](https://docs.ionos.com/cloud/~/revisions/NfgM5VQuRjXRMfbR25yK/network-services/network-services/how-tos/firewall)                | Activate a multi-directional firewall and add rules.                                                    |
| [<mark style="color:blue;">**Manage Network Security Groups**</mark>](https://docs.ionos.com/cloud/~/revisions/NfgM5VQuRjXRMfbR25yK/network-services/network-security-groups)                | Configure Network Security Groups for a VDC with firewall rules and members.                            |
| [<mark style="color:blue;">**Manage IP Failover**</mark>](https://docs.ionos.com/cloud/~/revisions/NfgM5VQuRjXRMfbR25yK/network-services/network-services/how-tos/manage-ip-failover)        | Ensure that HA setups are available on your VMs.                                                        |
| [<mark style="color:blue;">**Flow Logs**</mark>](https://docs.ionos.com/cloud/~/revisions/NfgM5VQuRjXRMfbR25yK/network-services/flow-logs)                                                   | Capture data related to IPv4 network traffic flows.                                                     |
| [<mark style="color:blue;">**Cross Connect VDCs**</mark>](https://docs.ionos.com/cloud/~/revisions/NfgM5VQuRjXRMfbR25yK/network-services/cross-connect)                                      | Connect VDCs with each other using a LAN.                                                               |
| [<mark style="color:blue;">**IPv6 Configuration**</mark>](https://docs.ionos.com/cloud/~/revisions/NfgM5VQuRjXRMfbR25yK/network-services/ipv6/ipv6)                                          | Configure IPv6 addresses for a LAN.                                                                     |
| [<mark style="color:blue;">**Configure Managed NAT Gateway**</mark>](https://docs.ionos.com/cloud/~/revisions/NfgM5VQuRjXRMfbR25yK/network-services/nat-gateway)                             | Enable internet access to virtual machines without exposing them to the internet by a public interface. |
| [<mark style="color:blue;">**Configure Managed Network Load Balancer**</mark>](https://docs.ionos.com/cloud/~/revisions/NfgM5VQuRjXRMfbR25yK/network-services/network-load-balancer)         | Configure high-performance, low-latency Layer 4 load-balancing.                                         |
| [<mark style="color:blue;">**Configure Managed Application Load Balancer**</mark>](https://docs.ionos.com/cloud/~/revisions/NfgM5VQuRjXRMfbR25yK/network-services/application-load-balancer) | Configure high-performance, low-latency Layer 7 load-balancing.                                         |

### Frequently Asked Questions (FAQs)

To get answers to the most commonly encountered questions about VDC Networking, see [<mark style="color:blue;">**FAQs**</mark>](https://docs.ionos.com/cloud/~/revisions/NfgM5VQuRjXRMfbR25yK/network-services/network-services/networks-faq).