# VDC Networking

IONOS Cloud Networks enables IONOS Cloud 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 ensures customer workloads can scale and connect securely across both physical and virtual networks.

## Product Overview

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><mark style="color:blue;"><strong>VDC Networking</strong></mark></td><td>Learn more about how virtual resources securely communicate with each other.</td><td><a href="vdc-networking/overview">overview</a></td></tr></tbody></table>

## Quick Links

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><mark style="color:blue;"><strong>IP Addresses</strong></mark></td><td>Reserve and manage static IPv4 and IPv6 addresses for your networks.</td><td><a href="vdc-networking/ip-address">ip-address</a></td></tr><tr><td><mark style="color:blue;"><strong>LAN</strong></mark></td><td>Create, configure, merge, and split LANs in your virtual data center.</td><td><a href="vdc-networking/lan">lan</a></td></tr><tr><td><mark style="color:blue;"><strong>IP Failover</strong></mark></td><td>Set up and manage IP failover groups for high-availability configurations.</td><td><a href="vdc-networking/ip-failover">ip-failover</a></td></tr><tr><td><mark style="color:blue;"><strong>NIC-based Firewall</strong></mark></td><td>Activate a multi-directional NIC-based Firewall and create firewall rules.</td><td><a href="vdc-networking/firewall">firewall</a></td></tr><tr><td><mark style="color:blue;"><strong>NIC Multi-Queue</strong></mark></td><td>Learn how to turn on and manage NIC Multi-Queue for a Virtual Machine (VM).</td><td><a href="vdc-networking/nic-multi-queue">nic-multi-queue</a></td></tr></tbody></table>

## Related Topics

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><mark style="color:blue;"><strong>Reserve an IPv4 Address</strong></mark></td><td>Reserve and return IPv4 addresses for network use.</td><td><a href="vdc-networking/ip-address/ipv4/how-tos/reserve-ipv4">reserve-ipv4</a></td></tr><tr><td><mark style="color:blue;"><strong>Configure a Network</strong></mark></td><td>Create a private network and add internet access.</td><td><a href="vdc-networking/lan/how-tos/configure-private-lan">configure-private-lan</a></td></tr><tr><td><mark style="color:blue;"><strong>NIC Multi-Queue</strong></mark></td><td>Enable NIC Multi-Queue for a Virtual Machine (VM).</td><td><a href="vdc-networking/nic-multi-queue">nic-multi-queue</a></td></tr><tr><td><mark style="color:blue;"><strong>NIC-based Firewall</strong></mark></td><td>Activate a multi-directional firewall and add rules.</td><td><a href="vdc-networking/firewall">firewall</a></td></tr><tr><td><mark style="color:blue;"><strong>Network Security Groups</strong></mark></td><td>Configure Network Security Groups for a VDC with firewall rules and members.</td><td><a href="../security/network-security-groups">network-security-groups</a></td></tr><tr><td><mark style="color:blue;"><strong>IP Failover</strong></mark></td><td>Ensure that HA setups are available on your VMs.</td><td><a href="vdc-networking/ip-failover">ip-failover</a></td></tr><tr><td><mark style="color:blue;"><strong>Flow Logs</strong></mark></td><td>Capture data related to IPv4 network traffic flows.</td><td><a href="flow-logs">flow-logs</a></td></tr><tr><td><mark style="color:blue;"><strong>Cross Connect VDCs</strong></mark></td><td>Connect VDCs with each other using a LAN.</td><td><a href="cross-connect">cross-connect</a></td></tr><tr><td><mark style="color:blue;"><strong>IPv6 Configuration</strong></mark></td><td>Configure IPv6 addresses for a LAN.</td><td><a href="vdc-networking/ip-address/ipv6">ipv6</a></td></tr><tr><td><mark style="color:blue;"><strong>Configure Managed NAT Gateway</strong></mark></td><td>Enable internet access to virtual machines without exposing them to the internet by a public interface.</td><td><a href="nat-gateway">nat-gateway</a></td></tr><tr><td><mark style="color:blue;"><strong>Configure Managed Network Load Balancer</strong></mark></td><td>Configure high-performance, low-latency Layer 4 load-balancing.</td><td><a href="network-load-balancer">network-load-balancer</a></td></tr><tr><td><mark style="color:blue;"><strong>Configure Managed Application Load Balancer</strong></mark></td><td>Configure high-performance, low-latency Layer 7 load-balancing.</td><td><a href="application-load-balancer">application-load-balancer</a></td></tr><tr><td><mark style="color:blue;"><strong>Configure VPN Gateway</strong></mark></td><td>Configure secure, encrypted connections between different networks over the internet.</td><td><a href="vpn-gateway">vpn-gateway</a></td></tr></tbody></table>

## Developer Tools

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><mark style="color:blue;"><strong>Cloud API</strong></mark></td><td>Access the core API specification for IONOS Cloud.</td><td><a href="https://docs.ionos.com/reference/api-specification-files/api-overview/network-services">https://docs.ionos.com/reference/api-specification-files/api-overview/network-services</a></td></tr><tr><td><mark style="color:blue;"><strong>Compute SDKs</strong></mark></td><td>Explore the Compute Engine SDKs for IONOS Cloud.</td><td><a href="https://docs.ionos.com/reference/#software-development-kits-sdks">https://docs.ionos.com/reference/#software-development-kits-sdks</a></td></tr><tr><td><mark style="color:blue;"><strong>Config Management Tools</strong></mark></td><td>Learn about configuration management tools for IONOS Cloud.</td><td><a href="https://docs.ionos.com/reference/config-management-tools/config-management-tools">https://docs.ionos.com/reference/config-management-tools/config-management-tools</a></td></tr></tbody></table>

## Frequently Asked Questions (FAQ)

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th></tr></thead><tbody><tr><td><mark style="color:blue;"><strong>FAQ</strong></mark></td><td>Get answers to the most commonly encountered questions about VDC Networking.</td><td><a href="vdc-networking/networks-faq">networks-faq</a></td></tr></tbody></table>