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by BadBadJellyBean 2 hours ago
Something is very wrong with your network then. I never needed to disable IPv6. Maybe you should question it.
2 comments
ash 1 hour ago
It is harder to maintain two networks instead of one. Potential problems double. Hacks like RFC8305 "Happy Eyeballs" become a must.
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PacificSpecific 2 hours ago
Fair enough. I do question it often.

It's a standard Asus router but it's given me a lot of ire. I hate to say it but it's never a problem when I install windows on the same machines

(I'm currently in the process of trying to completely remove windows from my life)

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drewfax 1 hour ago
Similar experience. I bought an ASUS router and enabled IPv6. It slowed down everything down. Immediately flashed OpenWrt on it, IPv6 works like charm.

It's usually bad configuration done by the router vendors. It doesn't mean IPv6 is bad.

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CrLf 2 hours ago
There are maybe many buggy routers still out there that reset the IPv6 flow label field when they shouldn't, breaking hash-based load-balancers (the symptom is TCP connections spontaneously reset).

IIRC, a workaround was to prevent Linux from setting this field, or force-reset it on every outbound packet using netfilter.

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