Linode Networking

14 Guides Available

Configure Linux as a Router (IP Forwarding)

A computer network is a collection of computer systems that can communicate with each other. To communicate with a computer that’s on a different network, a system needs a way to connect to that other network.

Manual Network Configuration on a Compute Instance

Every Compute Instance is assigned several IP addresses, including a pubic IPv4 address and a public IPv6 SLAACaddress.

Network Configuration Using NetworkManager

NetworkManageris a very popular network configuration utility and is used by default on Fedora, CentOS Stream, CentOS, AlmaLinux 8, and Rocky Linux 8.

Network Configuration Using systemd-networkd

The systemd-networkdtool is a newer tool developed as part of systemd. Arch and modern versions of Ubuntu (17.

Network Configuration Using ifupdown

The ifupdownpackage is an older network configuration software that’s still used by Debian and older Ubuntu distributions (such as 16.

The Difference Between TCP and UDP Explained | Linode

Many users might not understand the network protocols they are using, but networking is a critical topic for application programmers and architects.

Configuring Failover on a Compute Instance

In cloud computing, failover is the concept of rerouting traffic to a backup system should the original system become inaccessible.

Configuring IP Failover over BGP using FRR (Advanced)

Note Not all data centers support configuring IP failover over BGP. Review the Configuring Failover on a Compute Instanceto learn more about IP Sharing / IP failover availability within each data center.

Configuring IP Failover using keepalived

Note Not all data centers supports configuring IP failover through keepalived. Review the Configuring IP Failover on a Compute Instanceto learn more about IP Sharing / IP failover availability within each data center.

How To Configure Multi-Queue NICs

Multi-queue NICs (network interface cards) are supported on all Linode Compute Instances that have 2 or more CPU cores (vCPUs).

Automatically Configure Networking on Linode

Overview Network Helper is an optional tool that makes network configuration easier on Linode Compute Instances.

Linux Static IP Configuration

All Linodes are created with one IPv4 address and one for IPv6. An IPv4 address is assigned by our infrastructure from a pool of unused addresses when you create your Linode, and Stateless Address Autoconfiguration(SLAAC) is used for IPv6 assignment.

An Overview of IPv6 on Linode

All Linodes are created with one IPv6 address, which is acquired by Stateless Address Autoconfiguration(SLAAC). IPv6 is fully enabled on all of Linode’s supported operating systems and uses hardware-based addressing.

Set Up an IPv6 Tunnel on Your Linode

As IPv4 address exhaustion nears, many people are making the switch to IPv6.

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