Короче, у меня тахая хрень:
У меня подняты LXC-контейнеры. Один выступает в качестве роутера, другие в качистве клиентов. Если пытаться контейнер пропинговать из вне, то мы получаем:
root@servl:~# ping6 2001:470:c3de:e0::243 -c 1
PING 2001:470:c3de:e0::243(2001:470:c3de:e0::243) 56 data bytes
From 2001:470:c3de:e0::100 icmp_seq=1 Destination unreachable: Address unreachable
--- 2001:470:c3de:e0::243 ping statistics ---
1 packets transmitted, 0 received, +1 errors, 100% packet loss, time
# Template used to create this container: /usr/share/lxc/templates/lxc-debian
# Parameters passed to the template:
# For additional config options, please look at lxc.container.conf(5)
lxc.start.auto = 1
lxc.network.type = empty
lxc.rootfs = /var/lib/lxc/router/rootfs
# Common configuration
lxc.include = /usr/share/lxc/config/debian.common.conf
# Container specific configuration
lxc.mount = /var/lib/lxc/router/fstab
lxc.utsname = router-lxc
lxc.arch = amd64
lxc.autodev = 1
lxc.kmsg = 0
lxc.network.type = veth
lxc.network.flags = up
lxc.network.name = eth0
#lxc.network.veth.pair = router-lxc0
lxc.network.link = br0
lxc.network.hwaddr = 52:55:77:00:00:01
lxc.network.type = veth
lxc.network.flags = up
lxc.network.name = eth1
#lxc.network.veth.pair = router-lxc1
lxc.network.link = br1
lxc.network.ipv4 = 10.243.0.254/24
#lxc.network.ipv6 = 2001:470:c3de:e0::1/64
lxc.network.hwaddr = 52:55:77:00:00:2