I have disabled IPV6 but still see traffic from my Ubuntu 17.04 machine.

$ cat /proc/sys/net/ipv6/conf/all/disable_ipv6
1

$ cat /etc/sysctl.conf |grep ipv6

net.ipv6.conf.all.disable_ipv6 = 1
net.ipv6.conf.default.disable_ipv6 = 1
net.ipv6.conf.lo.disable_ipv6 = 1
net.ipv6.conf.all.forwarding=1

But in jnettop I see things like:

TCP6  fe80::b27f:b9ff:fe03:7d6a
ICMP6  ff02::1

How do I disable all IPV6 traffic? Is support a kernel module I can disable?

(Let's not debate the merits of IPv6.)

Thank you for any help!

IPv6 support is built into the kernel. I will have to compile my own.

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