====== Network Kernel Settings ======
=== Forwarding ===
net.ipv4.ip_forward = 1
net.ipv6.conf.all.forwarding = 1
To use dynamic ip configuration instead of static in ipv6 with fowarding on:
net.ipv6.conf.all.accept_ra = 2
=== Disable IPv6 completely ===
net.ipv6.conf.eth0.disable_ipv6 = 1 #replace eth0 with desired interface or all
=== IPv6: EUI-64 ===
net.ipv6.conf.default.addr_gen_mode = 0
net.ipv6.conf.eth0.addr_gen_mode = 0