[atlas] IPv6 Doesn't Work

all the IPv6 traceroutes go like this:

Latest Traceroute Result for Measurement #2009

2019-01-19 15:25 UTC

Traceroute to 2001:503:ba3e::2:30 (2001:503:ba3e::2:30), 40 byte packets
1 * 2a00:1028:8d1c:90da:220:4aff:fee0:2026 dynamic-2a00-1028-8d1c-90da-0220-4aff-fee0-2026.ipv6.broadband.iol.cz AS5610 2191.889ms !H 3010.564ms !H 

______________________________________________________________
> Od: ripe at brite.cz
> Komu: ripe-atlas at ripe.net
> Datum: 19.01.2019 17:23
> Předmět: Re: [atlas] IPv6 Doesn't Work
>
>No filtering here. Furthermore it seems the Atlas Probe is not able to get anywhere out via IPv6 too.
>I'm wondering is the Gateway setting correct? [Gateway(s) 	fe80::1]
>
>---------------------------------
>Peter Eckel lists at eckel-edv.de
>Sat Jan 19 11:26:33 CET 2019
>
>Hi Jiri, 
>
>for me it looks like you're not reachable indeed: 
>
>> pete at charon.net.hindenburgring.com> traceroute inet6 2a00:1028:8d1c:90da:220:4aff:fee0:2026 
>> traceroute6 to 2a00:1028:8d1c:90da:220:4aff:fee0:2026 (2a00:1028:8d1c:90da:220:4aff:fee0:2026) from <xxx>, 64 hops max, 12 byte packets
>> [...]
>>  3  2a00:19e0:ffff:fffc::1 (2a00:19e0:ffff:fffc::1)  23.579 ms  23.308 ms  23.495 ms
>>  4  2a00:19e0:ffff:ffff::3 (2a00:19e0:ffff:ffff::3)  29.521 ms  29.738 ms  29.822 ms
>>  5  ae0-401.fra10.core-backbone.com (2a01:4a0:1338:2::1)  30.063 ms  29.215 ms  36.436 ms
>>  6  ae2-2001.nbg30.core-backbone.com (2a01:4a0:0:2001::1)  32.540 ms  31.789 ms  51.790 ms
>>  7  ae1-2053.prg10.core-backbone.com (2a01:4a0:0:2053::22)  37.175 ms  36.355 ms  35.141 ms
>>  8  nix4-ipv6.pater.iol.cz (2001:7f8:14::29:1)  39.033 ms  36.891 ms  37.997 ms
>>  9  dynamic-2a00-1028-0001-0160-0000-0000-0000-0002.ipv6.broadband.iol.cz (2a00:1028:1:160::2)  38.403 ms  41.560 ms  37.239 ms
>> 10  dynamic-2a00-1028-0001-02a5-0000-0000-0000-0002.ipv6.broadband.iol.cz (2a00:1028:1:2a5::2)  37.214 ms  50.273 ms  51.604 ms
>> 11  * * *
>> 12  dynamic-2a00-1028-8d1c-90d8-0000-0000-0000-0001.ipv6.broadband.iol.cz (2a00:1028:8d1c:90d8::1)  44.291 ms  58.819 ms  49.810 ms
>> 13  * * *
>> 14  * * *
>> 15  * * *
>> 16  * * *
>> 17  * * *
>> 18  * * *
>> 19  * * *
>> [...]
>
>Are you by any chance filtering ICMPv6 on your ingress router?
>
>Regards, 
>
>  Peter.
>
>
>