Wiki

#cloud-config
bootcmd:
  - /usr/sbin/ifdown eth0
  - /usr/sbin/ifup eth0
  - /usr/sbin/ifdown eth1
  - /usr/sbin/ifup eth1
  - setenforce 0
  - /sbin/sysctl -w net.ipv6.conf.all.forwarding=1
  - /sbin/sysctl -w net.ipv6.conf.eth0.accept_ra=2
  - /sbin/sysctl -w net.ipv6.conf.eth0.accept_ra_defrtr=1
  - /sbin/sysctl -w net.ipv6.conf.eth0.router_solicitations=1
packages:
  - radvd
runcmd:
  - /usr/sbin/ifdown eth1
  - /usr/sbin/ifup eth1
  - /usr/bin/systemctl disable NetworkManager
  - /usr/bin/systemctl start radvd
  - echo 'complete' >> /tmp/cloud-config.log
write_files:
 - content: |
     TYPE="Ethernet"
     BOOTPROTO="dhcp"
     DEFROUTE="yes"
     PEERDNS="yes"
     PEERROUTES="yes"
     IPV4_FAILURE_FATAL="no"
     IPV6INIT="yes"
     IPV6_AUTOCONF="yes"
     IPV6_DEFROUTE="yes"
     IPV6_PEERROUTES="yes"
     IPV6_PEERDNS="yes"
     IPV6_FAILURE_FATAL="no"
     NAME="eth0"
     DEVICE="eth0"
     ONBOOT="yes"
   path: /etc/sysconfig/network-scripts/ifcfg-eth0
   permissions: '0755'
   owner: root:root
 - content: |
     TYPE="Ethernet"
     BOOTPROTO=static
     IPV6INIT=yes
     IPV6ADDR="2001:db8:0:2::1/64"
     NAME=eth1
     DEVICE=eth1
     ONBOOT=yes
     NM_CONTROLLED=no
   path: /etc/sysconfig/network-scripts/ifcfg-eth1
   permissions: '0755'
   owner: root:root
 - content: |
     interface eth1
     {
	AdvSendAdvert on;
	MinRtrAdvInterval 3;
	MaxRtrAdvInterval 10;
	AdvHomeAgentFlag off;
	AdvManagedFlag on;
	AdvOtherConfigFlag on;
	prefix 2001:db8:0:2::/64
	{
	    AdvOnLink on;
	    ### On link tells the host that the default router is on the same "link" as it is
	    AdvAutonomous on;
	    AdvRouterAddr off;
	};
     };
   path: /etc/radvd.conf
   permissions: '0644'
   owner: root:root
 - content: |
     IPV6FORWARDING=yes
   path: /etc/sysconfig/network
   permissions: '0644'
   owner: root:root