[PacificSpecific]

First thing I do on a fresh Linux install is set ipv6 to deactivated. Fixes all my initial Linux install problems. I don't question it, it just works every time.

[BadBadJellyBean]

Something is very wrong with your network then. I never needed to disable IPv6. Maybe you should question it.

[inigyou]

If your ipv6 internet is broken you should probably turn it off on your router - hosts on the LAN can still communicate using ipv6 link-local, as some apps will want to do.

[ash]

It is harder to maintain two networks instead of one. Potential problems double. Hacks like RFC8305 "Happy Eyeballs" become a must.

[PacificSpecific]

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)

[CrLf]

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.

[drewfax]

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.

[PacificSpecific]

Thanks for the info! I'll look into openwrt