IPv6 address pingable after first ping FROM it
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Hello,
I have a strange problem with OpenWRT and AICCU. My IPv6 address is not pingable from outside. But when I log in to my router and ping any IPv6 address from console, it begins to respond to pings from outside.
I have fair amount of knowledge about networks, but I cannot explain this phenomenon.
Anyone with the same problem and solution?
Thanks!
Tomas
IPv6 address pingable after first ping FROM it
See the FAQ, it has an item about connection trackers which exactly is this problem.
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