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1

23.1 Legacy Series / IPv6 PD not work after update OPNSense from 22.7.11->23.1_6

« on: February 02, 2023, 12:00:00 pm »

Hello,
Yesterday, I updated OPNSense from 22.7.11->23.1_6.

Since the upgrade to version 23.1_6, the IPv6 default route disappears



My configuration did not change after the update



My configuration IPv6 is the prefix delegation for the OPNSense LAN.
The WAN interface is configured by SLAAC.
The LAN interface is configured to static IPv6.
Radvd advertises the /64 prefix.



After the upgrade, IPv6 does not work. The default route disappears after 3-5 minutes (the time for the IPv6 default route to disappear is random).

When the default route disappears, I have a line in log files : General :
2023-02-02T11:14:58   Notice   opnsense   /usr/local/etc/rc.newwanipv6: No IP change detected for WAN_FTTH_Freebox[opt2]


When I disable/enable the IPv6 gateway, IPv6 is OK but not more than 3-5 minutes with the same message in the logs :
2023-02-02T11:14:58   Notice   opnsense   /usr/local/etc/rc.newwanipv6: No IP change detected for WAN_FTTH_Freebox[opt2]

I have the default route disappearing at the same time.



Here is an IPv6 network diagram


Here is IPv6 PD on the Freebox (Router)




additional information added on 12/02/2023 :
I have just tried to analyse what is happening with a network analyser.

As soon as OPNSense receives an ICMPv6 type 134 (RA: Router Advertisement) from the Freebox, OPNSense removes the IPv6 default route

The IPv6 default route comes back when I disable/reactivate the IPv6 gateway in web interface system_gateways.php.

2

21.7 Legacy Series / After updating to Opnsense 21.7, the webgui does not start automatically.

« on: September 27, 2021, 07:18:48 pm »

Hello,
I updated Opnsense to version 21.7 and since the update, each time I start Opnsense, I can't access the web interface.
every time I start Opnsense, I have to restart the webgui to have access to the web interface with the command :

Code: [Select]

configctl webgui restart