No ICMP traffic while pinging google address

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With a great pleasure!
Option #1 doesn't work, so I tried 2nd optionordex wrote: ↑Fri Oct 07, 2022 11:13 pmThere are two options:
1) ask your ISP to *route* an additional /64 (sometimes they assign them via DHCPv6-PD);
2) activate NDP proxy on the server so that your server will reply to those NS messages in order to make the ISP happy.
While 1) would be the best option, your provider my simply not do it (that'd be bad though).
For option 2) you should enable proxy_ndp on tun0:
sysctl net.ipv6.conf.tun0.proxy_ndp=1
And then it should just work[tm]
If it does not yet work, then I think you need to add a proxy manually:
ip -6 neigh add proxy 2a05:8280:f:43aa:aaaa::1000 dev tun0
Thank you so much Sir! The command that works for me is ip -6 neigh add proxy 2a05:8280:f:43aa:aaaa::1000 dev eth0 - but after I reboot my VPS I have to reenter it each time.
Thank you so much!!! I'm really happy despite there's some difficulties with NDP, it's a huge achievement for me and I'm really grateful for you competence, patience and kindness : )
Thank you very much Sir!