Examples

This is a collection of configuration examples for different interface link types and routing setups.

Keepalived

• VRRP with notify_fifo script (prefered)
• VRRP with notify script

Links

• Bonding Interface w/ LACP (802.3ad)
• EoGRE Layer 2 Tunnel
• GENEVE Layer 2 Tunnel
• Physical Interface
• VLAN Subinterface (802.1q)
• VLAN Q-in-Q Subinterfaces (802.1ad + 802.1q)

VPN

• WireGuard tunnel
• WireGuard tunnel with netns namespace
• XFRM interfaces with VRF-based multitenant IPsec

Routing

• Policy Based Routing (PBR)
• Virtual Routing and Forwarding (VRF)

Traffic Control

• simple bandwidth shaping with cshaper
• traffic control shaping

XDP/BPF

• pin a eBPF program for eXpress Data Path (XDP) routing
• attach XDP program to interface

Misc

• permanent neighbour/ARP tables entries
• ethtool hardware settings
• sysctl interface settings