sonic-buildimage/files/docker/docker.service.conf

[Service]
ExecStart=
ExecStart=/usr/bin/dockerd -H unix:// --storage-driver=overlay2 --bip=240.127.1.1/24  --iptables=false --ipv6=true --fixed-cidr-v6=fd00::/80
New release v1.0.0 2016-03-08 13:42:20 -06:00			`[Service]`
			`ExecStart=`
Enabling ipv6 support on docker container network. This is needed (#5418) for ipv6 communication between container and host in multi-asic platforms. Address is assign is private address space of fd::/80 with prefix len selected as 80 so that last 48 bits can be container mac address and and you prevent NDP neighbor cache invalidation issues in the Docker layer. Ref: https://docs.docker.com/config/daemon/ipv6/ Ref:https://medium.com/@skleeschulte/how-to-enable-ipv6-for-docker-containers-on-ubuntu-18-04-c68394a219a2 Signed-off-by: Abhishek Dosi <abdosi@abdosi-ubuntu-vm0.nwp1qucpfg5ejooejenqshkj3e.cx.internal.cloudapp.net> Co-authored-by: Abhishek Dosi <abdosi@abdosi-ubuntu-vm0.nwp1qucpfg5ejooejenqshkj3e.cx.internal.cloudapp.net> 2020-09-22 10:32:17 -05:00			`ExecStart=/usr/bin/dockerd -H unix:// --storage-driver=overlay2 --bip=240.127.1.1/24 --iptables=false --ipv6=true --fixed-cidr-v6=fd00::/80`