IPv6 and Failover to LTE

Hi,

My Turris Omnia is connecting to Internet via pppoe to OVH ISP.
So far so good, IPv6 working like a charm.

I added Failover to LTE following these tutorials:

  • https://www.turris.cz/doc/en/howto/lte_modem_install
    Note: May I suggest that you recommend testing that the SIM card is properly installed with
    uqmi -d /dev/cdc-wdm0 --get-pin-status.
    You should get:
    { "pin1_status": "verified", "pin1_verify_tries": 3, "pin1_unblock_tries": 10, "pin2_status": "not_verified", "pin2_verify_tries": 3, "pin2_unblock_tries": 10 }``` If SIM card is not well connected, you'll getUIM uninitialized`
    Because of Micro/Nano Sim adapter contact may be off and using scotch tape could do the trick.

  • https://www.turris.cz/doc/en/howto/multiwan

It also worked like a charm.

My problem now is that I don’t have IPv6 anymore on PPPOE.

Any idea?

MWAN3 is great but not for IPv6. I have 2 WAN and IPv6 also not works.
I found some hack. Stop MWAN3 and edit /lib/mwan3/mwan3.sh:
find row:
IPT6="/usr/sbin/ip6tables -t mangle -w"
and change to:
#IPT6="/usr/sbin/ip6tables -t mangle -w" IPT6="/bin/true"
That is, script will not use ip6tables.
Run MWAN3 or reboot router.

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