From 9763fbf7efb2e221e1cc328e649b8e6456f05d6f Mon Sep 17 00:00:00 2001 From: Colin Percival Date: Sun, 15 Jan 2017 09:06:45 +0000 Subject: [PATCH] Enable IPv6 networking on Amazon EC2. MFC after: 1 week --- release/tools/ec2.conf | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/release/tools/ec2.conf b/release/tools/ec2.conf index a273449843ee..1ece644b37ee 100644 --- a/release/tools/ec2.conf +++ b/release/tools/ec2.conf @@ -6,7 +6,7 @@ # Packages to install into the image we're creating. This is a deliberately # minimalist set, providing only the packages necessary to bootstrap further # package installation as specified via EC2 user-data. -export VM_EXTRA_PACKAGES="ec2-scripts firstboot-freebsd-update firstboot-pkgs" +export VM_EXTRA_PACKAGES="ec2-scripts firstboot-freebsd-update firstboot-pkgs dual-dhclient" # Set to a list of third-party software to enable in rc.conf(5). export VM_RC_LIST="ec2_configinit ec2_fetchkey ec2_ephemeralswap ec2_loghostkey firstboot_freebsd_update firstboot_pkgs" @@ -39,8 +39,9 @@ vm_extra_pre_umount() { # time; expand our filesystem to fill the disk. echo 'growfs_enable="YES"' >> ${DESTDIR}/etc/rc.conf - # EC2 instances use DHCP to get their network configuration. - echo 'ifconfig_DEFAULT="SYNCDHCP"' >> ${DESTDIR}/etc/rc.conf + # EC2 instances use DHCP to get their network configuration. IPv6 + # requires accept_rtadv. + echo 'ifconfig_DEFAULT="SYNCDHCP accept_rtadv"' >> ${DESTDIR}/etc/rc.conf # Unless the system has been configured via EC2 user-data, the user # will need to SSH in to do anything. @@ -51,6 +52,10 @@ vm_extra_pre_umount() { # via EC2 user-data. echo 'firstboot_pkgs_list="awscli"' >> ${DESTDIR}/etc/rc.conf + # Enable IPv6 on all interfaces, and use DHCP on both IPv4 and IPv6. + echo 'ipv6_activate_all_interfaces="YES"' >> ${DESTDIR}/etc/rc.conf + echo 'dhclient_program="/usr/local/sbin/dual-dhclient"' >> ${DESTDIR}/etc/rc.conf + # The EC2 console is output-only, so while printing a backtrace can # be useful, there's no point dropping into a debugger or waiting # for a keypress.