Dynamic Multipoint VPN (DMVPN)
 Do not follow instructions here until this notice is removed. |
http://alpinelinux.org/about under Why the Name Alpine? states:
The first open-source implementation of Cisco's DMVPN, called OpenNHRP, was written for Alpine Linux.
So the aim of this document is to be the reference DMVPN setup, with all the networking services needed for the clients that will use the DMVPN (DNS, DHCP, firewall, etc.).
A DMVPN is made up two kind of hosts: an Hub node (also called Core router) and a Leaf node (also called Edge router). We'll start documenting the Leaf node setup.
The recommended version of Alpine for building a DMVPN should be at minimum 2.4.11. Don't use 2.5.x, or 2.6.0 as it has in-tunnel IP fragmentation issues. Alpine 2.6.1 or later are also okay.