VyOS

Key features of VyOS include:

1. Routing Protocols: VyOS supports a wide range of routing protocols, including OSPF, BGP, RIP, and more. This makes it suitable for complex network setups where dynamic routing is required.
2. Firewall and Security: VyOS includes a robust firewall system that allows for the creation of complex rule sets. It supports stateful and stateless filtering, as well as Network Address Translation (NAT) for managing IP addresses.
3. VPN Support: VyOS supports various VPN protocols, such as IPsec, OpenVPN, and L2TP, making it suitable for secure communication over the internet.
4. QoS (Quality of Service): Quality of Service features in VyOS enable the prioritization of network traffic to ensure a consistent and reliable user experience.
5. IPv6 Support: VyOS has robust support for IPv6, allowing organizations to transition smoothly to the next-generation Internet Protocol.
6. Virtualization: VyOS can be deployed as a virtual machine (VM) in hypervisors such as VMware, KVM, or VirtualBox, making it suitable for virtualized environments.
7. Command-Line Interface (CLI): VyOS is configured through a command-line interface, providing administrators with powerful and precise control over network settings.

VyOS is known for its stability, security, and performance. It is a popular choice for network administrators and engineers who need a customizable and feature-rich solution for their networking needs.