# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).

# The loopback network interface
auto lo
iface lo inet loopback

# The network interfaces do not have an assigned IP as they are
# used for the bridges
auto eth0
allow-hotplug eth0

auto eth1
allow-hotplug eth1

# sNow! Network Bridge
auto xsnow0
iface xsnow0 inet static
    	bridge_ports eth0
    	bridge_stp off      	# disable Spanning Tree Protocol
    	bridge_waitport 0   	# no delay unless port available
    	bridge_fd 0         	# no forwarding delay
    	address 192.168.7.1
    	netmask 255.255.255.0
    	network 192.168.7.0
    	broadcast 192.168.7.255

# Alias to access the IPMI interfaces on the compute nodes
# which are also connected to the internal network
auto xsnow0:mgmt
iface xsnow0:mgmt inet static
    	address 192.168.100.1
    	netmask 255.255.255.0
    	network 192.168.100.0
    	broadcast 192.168.100.255

# The public network bridge with the NAT rules
auto xpub0
iface xpub0 inet static
    	bridge_ports eth1
    	bridge_stp off      	# disable Spanning Tree Protocol
    	bridge_waitport 0   	# no delay unless port available
    	bridge_fd 0         	# no forwarding delay
    address YOUR_LAN_IP_ADDRESS (eg. 10.10.0.201)
    netmask YOUR_LAN_NETMASK (eg. 255.0.0.0)
    network YOUR_LAN_NETWORK (eg. 10.0.0.0)
    broadcast YOUR_LAN_BROADCAST (10.255.255.255)
    gateway YOUR_LAN_GATEWAY (eg. 10.10.0.1)
    dns-nameservers YOUR_LAN_NAMESERVERS (eg. 8.8.8.8,4.4.4.4)
    dns-search YOUR_LAN_DOMAIN_SEARCH (eg. mydomain.com)
    pre-up iptables -t nat -A POSTROUTING -s 192.168.7.0/24 -d 192.168.7.0/24 -j ACCEPT
    pre-up iptables -t nat -A POSTROUTING -s 192.168.7.0/24 -j MASQUERADE