azure linux has not default ipv6 route

ipv6 linux-networking azure

Solution 1:

I fixed the problem. ipv6 forward is enabled by default and accept_ra is set to 1 which ignore router advertisement. Add following to /etc/sysctl.conf to turn off ipv6 forwarding:

net.ipv6.conf.all.forwarding=0

Update

The ipv6 forwarding is enable by docker ipv6 feature. So setting the interface accept_ra=2 for docker with ipv6 enabled.

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