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    Why no word on any new Merlin builds ?

    I would like to see an update for the later models that reverts the IPv6 DNSFilter behavior to what it was prior to 386.7_2. I had to downgrade to 386.7_0 because IPv6 DNS bypasses DNSFilter under 386.7_2.
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    Options when behind cgnat

    CGNAT in itself will not break CGNAT. I am behind 464XLAT for IPv4 and wifi calling works without issue. Your WiFI calling issue is likely caused by something else. Strange that your provider doesn't already supply you an IPv6 address.
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    [ipv6 problem]how to set relay mode on merlin?

    OpenWRT IPv6 Relay is the same as setting your ASUS IPv6 connection type to passthrough. This is not to be confused with DHCP Relay which is something different.
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    Solved Cable Modem->VLAN Tagged Switch->MoCA Adapter->MoCA Adapter->VLAN Tagged Switch->AX86U Router

    My setup is similar to what I think you are trying to do as follows: I have a four story house where the ISP's router is on the top floor. I have the ISP's router connected to the WAN port of an ASUS router configured in AP mode. Port 1 of the same ASUS router is connected to a MoCA adapter...
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    Disable IPv6 when connected to VPN

    I have tested the on my RT-AC5300 and it does solve the problem.
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    Disable IPv6 when connected to VPN

    I realize I'm probably in the minority here, but not all of us can disable IPv6 or even want to due to services that require it. I guess for now, I will use the solution I have been using.
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    Disable IPv6 when connected to VPN

    Sorry, I. probably confused you. The command I actually issue is: iptables -D FORWARD -i br0 -m mac --mac-source xx:xx:xx:xx:xx:xx -j DROP to re-enable IPv4 traffic after its disabled by putting the device in the parental control block list. The prior post had a significant typo.
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    Disable IPv6 when connected to VPN

    Unfortunately, there is no option to do this on some streaming devices. What I have been doing for over a year is use parental controls to block internet traffic for the device. Then issue the following to re-enable IPv4 traffic: iptables -D FORWARD -i br0 -m mac --mac-source...
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    Disable IPv6 when connected to VPN

    My ISP is an all IPv6 network.
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    Disable IPv6 when connected to VPN

    I agree. This is a problem for me too. It was discussed earlier this year in this thread: https://www.snbforums.com/threads/is-it-possible-to-exclude-ipv6-data-for-certain-lan-ips-using-vpn-director-rules.77809/. According to the thread, the issue is fixed for routers that support IPv6 with...
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    Enabling DNSfilter no longer blocks DNS queries using IPv6 on AC5300 after upgrading to version 386.7_2.

    Using IPv6 servers on the DoT settings on the WAN page has worked on my RT-AC5300 ever since the feature was released quite some time ago. The RT-AC5300 is not an HND router.
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    Enabling DNSfilter no longer blocks DNS queries using IPv6 on AC5300 after upgrading to version 386.7_2.

    And it looks like this change was just made in the most recent release as it did not do this in prior releases. Is this correct? Also, I'm not sure the change is fully providing local resolution anyway as the IPv4 DNS server still filters as before without any regards to the local DNS server...
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    Enabling DNSfilter no longer blocks DNS queries using IPv6 on AC5300 after upgrading to version 386.7_2.

    Let me clarify. It still blocks DNS queries to IPv6 DNS servers in general. However, it used to also block DNS queries to the router's own IPv6 address, the address that is handed out by relayd. It no longer does this. Instead, it processes the query and forwards the query to upstream...
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    Enabling DNSfilter no longer blocks DNS queries using IPv6 on AC5300 after upgrading to version 386.7_2.

    Well, I have used DNSfilter on pretty much every version since the feature was released. The most recent version was and now is 386.7_0 since I reverted back. The exact model is RT-AC5300. I did try with a reset. With or without a reset, DNSfilter no longer blocks DNS queries to IPv6...
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    Enabling DNSfilter no longer blocks DNS queries using IPv6 on AC5300 after upgrading to version 386.7_2.

    Prior to version 386.7_2, enabling DNSfilter would block DNS queries that were using IPv6. I assume this was done so that DNSfilter would work on models or versions where DNSfilter did or does not support IPv6. The change introduced in version 386.7_2, which no longer blocks IPv6 queries on...
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    386.5_2 IPv6 DHCP-PD Broken

    I'm running in passthrough mode which I believe uses 6relayd to intercept modify and pass along router announcements from the upstream router. I too have issues where the announcements stop every few days and clients lose their IPv6 addresses. If I reboot the ASUS, normal behavior returns for a...
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    IPv6 private network address

    Also, unless you client doesn't support IPv4, you can just enter 192.168.1.2 in the DNS setting for the client. You don't need to use ::ffff:192.168.1.2. If the client is dual stack, it will still resolve the AAAA records for hosts that have IPv6 address on the DNS server. It doesn't matter...
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    IPv6 private network address

    For example: nslookup > server ::ffff:192.168.1.2 Default server: ::ffff:192.168.1.1 Address: ::ffff:192.168.1.1#53 > google.com Server: ::ffff:192.168.1.1 Address: ::ffff:192.168.1.1#53 Non-authoritative answer: Name: google.com Address: 172.253.122.139 Name: google.com Address...
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    IPv6 private network address

    ping likely will not work. Try nslookup in interactive mode. Use the server command to point to the ip above. Then test a lookup.
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    IPv6 private network address

    And also keep in mind, and someone please correct me if I'm wrong here, if you are running dual stack with ULA addresses the client will prefer ipv4 over IPv6. So when lookups are performed, it will use the A records.
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