The Vigor2820 router is used in this example

  1. Set ‘Multicast via VPN’ in each LAN to LAN profile

  2. Run the following commands on every router where the LAN to LAN VPNs are numbered 1 & 2 (or more – just add more lines).

    vpn bcrelay set y 1 l2l 1 15184 15184

    vpn bcrelay set y 2 l2l 2 15184 15184

    sys commit

Wireshark trace showing broadcast traffic below:

http://www.draycare.com.au/dfaq/image/VPN/10/vpn_31.JPG

To check any router run the ‘vpn bcrelay status’ command using Telnet:

http://www.draycare.com.au/dfaq/image/VPN/10/vpn_32.JPG