Goal:: I want to have my containers assigned an externally accessible static IP
address. I want the host to also have a static IP on the same subnet as the
containers.
Result (so far):: Can only ping containers from host and vice-versa; I cannot
ping external to the host from container and cannot ping the static IP assigned
to the containers from external to the host.
Question for the group:: What am I missing?
This seems to be a common scenario I've seen covered by many web sites but it
just doesn't seem to work on the two systems I've tried this on (Ubuntu 13.04
with lxc-ubuntu template & MV CGE with custom rootfs).
My Setup::
HOST - assigned 172.27.62.121/25, 172.27.62.1 (gw)
___________________________________________
brctl addbr br0
ifconfig br0 172.27.62.121 netmask 255.255.255.128 promisc up
brctl setfd br0 0
brctl addif br0 eth0
ifconfig eth0 0.0.0.0 up
route add default gw 172.27.62.1 br0
echo 1 > /proc/sys/net/ipv4/ip_forward
echo 1 > /proc/sys/net/ipv4/conf/all/proxy_arp
iptables has no rules in standard tables as well as nat table.
bash-3.2# route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
172.27.62.0 0.0.0.0 255.255.255.128 U 0 0 0 br0
0.0.0.0 172.27.62.1 0.0.0.0 UG 0 0 0 br0
GUEST - assigned 172.27.62.122/25, 172.27.62.121 (gw)
___________________________________________
--| lxc.conf (network portion) |--
lxc.network.type = veth
lxc.network.link = br0
lxc.network.flags = up
lxc.network.ipv4 = 172.27.62.122/25
lxc.network.name = eth0
--| etc/network/interfaces |--
auto lo
iface lo inet loopback
auto eth0
iface eth0 inet static
address 172.27.62.122
netmask 255.255.255.128
gateway 172.27.62.121
route add default gw 172.27.62.121 eth0
Thanks for taking reading up to this point!!
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