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Route Synchronization

The route synchronization feature keeps the kernel routing table in sync with WireGuard's AllowedIPs setting.

This synchronization is bi-directional:

  • Networks with are found in a Peers AllowedIP list will be installed as a kernel route.
  • Kernel routes with the peers link-local IP address as next-hop will be added to the Peers AllowedIPs list.

This rather simple feature allows user to pair cunicu with a software routing daemon like Bird2 while using a single WireGuard interface with multiple peer-to-peer links.

Configuration​

Section "rtsync" of /etc/cunicu.yaml