opnsense6rd

Scripts for extracting 6RD information from DHCP IPv4 lease on OPNsense

1. copy to your OPNsense (in example /root is used)
2. execute script with wan (re0) interface as argument, for example:

Manual calling

/root/6rd.py re0

Integrate into dhclient-script

In /usr/local/opnsense/scripts/interfaces/dhclient-script modify the case loop as here:

BOUND|RENEW|REBIND|REBOOT)
        check_hostname
        changes="no"
        $LOGGER "6RD configuration: $(/root/6rd.py -e)"
        if [ -n "$old_ip_address" ]; then

or

BOUND|RENEW|REBIND|REBOOT)
        check_hostname
        changes="no"
        $LOGGER "6RD configuration: $(/root/6rd.php)"
        if [ -n "$old_ip_address" ]; then

The output of the 6RD configuration should be visible under System > Log Files > General.

Using it with Monit to track changes

Requirement: Configured and working Monit service on OPNsense!

Create a Monit Service with following fields:

Field	Content
Name	6rd_change
Type	Custom
Path	/root/6rd.py re0
Tests	ChangedStatus
Description	Check for changes of 6RD configuration

Please change re0 to your WAN interface. Regarding your configuration, the status can checked via Services > Monit > Status or on Dashboard using the Monit widget. If you have mail configured, any status changes will sending a mail, containing the 6RD configuration.