I am installing Openstack Icehouse 3-node-architecture following the
document
http://docs.openstack.org/icehouse/install-guide/install/apt/content/index.html
in Ubuntu 14.04 LTS.
NIC cards for each node :
- Network node : 3 NIC cards
1 : management interface
2 : Instance Tunnel Interface
3 : External interface
- Controller Node : 1 NIC card
1 : Management interface
- Compute node : 2 NIC cards
1 : Management Interface
2 : Instance Tunnel interface
1. To verify connectivity other than pinging to these NICs they say to
ping to a site on the internet. There is no network connectivity in any
nodes. So how is it possible?
2. After configuring the interfaces file on *Network node* for
eth2(External interface) , external network connectivity loses on each
reboot. The /etc/network/interfaces file is edited as follows :
3.
auto *INTERFACE_NAME*
iface *INTERFACE_NAME* inet manual
up ip link set dev $IFACE up
down ip link set dev $IFACE do
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