Linux, multicast, bridging and IPv6 troubles (i.e. why my IPv6 connectivity goes missing)

For a long time now I had a very annoying problem with IPv6 under Linux. My setup is as follows: Linux box <-> Switch <-> Router The Linux box uses a bridge interface (br0) and usually only has one physical interface attached to it (eth0). That’s a very convenient setup. The problem is that after …

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