cloudnull · March 4, 2017 04:04 · Mar 3, 2017 · Jun 8, 2015
diff --git a/gistfile1.txt b/gistfile1.txt
@@ -13,14 +13,17 @@
 ## Physical interface, could be bond. This only needs to be set once for the physical device
 auto eth0
 iface eth0 inet manual
+    mtu 9000
 
 auto eth1
 iface eth1 inet manual
+    mtu 9000
 
 
 ## Vlan tagged interface, this should be physical interface along with the vlan tag
 # The vlan tag number should reflect your already setup vlans.
 iface eth0.1293 inet static
+    mtu 9000
     vlan-raw-device eth0
     address 10.240.0.100
     netmask 255.255.252.0
@@ -29,21 +32,25 @@ iface eth0.1293 inet static
 
 #STORAGE_NET
 iface eth0.2144 inet manual
+    mtu 9000
     vlan-raw-device eth0
 
 #CONTAINER_NET
 iface eth0.2176 inet manual
+    mtu 9000
     vlan-raw-device eth0
 
 #OVERLAY_NET
 iface eth1.1998 inet manual
+    mtu 9000
     vlan-raw-device eth1
 
 
 ## Required network bridges; br-vlan, br-vxlan, br-mgmt.
 # Bridge for management network
 auto br-mgmt
 iface br-mgmt inet static
+    mtu 9000
     bridge_stp off
     bridge_waitport 0
     bridge_fd 0
@@ -59,6 +66,7 @@ iface br-mgmt inet static
 # When used by infra nodes, IPs exist in the containers and inet should be set to manual.
 auto br-vxlan
 iface br-vxlan inet static
+    mtu 9000
     bridge_stp off
     bridge_waitport 0
     bridge_fd 0
@@ -70,6 +78,7 @@ iface br-vxlan inet static
 # Bridge for vlan network
 auto br-vlan
 iface br-vlan inet manual
+    mtu 9000
     bridge_stp off
     bridge_waitport 0
     bridge_fd 0
@@ -88,6 +97,7 @@ iface br-vlan inet manual
 # When used by infra nodes, IPs exist in the containers and inet should be set to manual.
 auto br-storage
 iface br-storage inet static
+    mtu 9000
     bridge_stp off
     bridge_waitport 0
     bridge_fd 0
@@ -102,6 +112,7 @@ iface br-storage inet static
 # Will ue an iptables MASQUERADE rule to NAT traffic
 auto br-snet
 iface br-snet inet static
+    mtu 9000
     bridge_stp off
     bridge_waitport 0
     bridge_fd 0

diff --git a/gistfile1.txt b/gistfile1.txt
@@ -0,0 +1,110 @@
+## The default networking requires several bridges. These bridges were named to be informative
+## however they can be named what ever you like and is adaptable to any network infrastructure
+## environment. This file serves as an example of how to setup basic networking and was ONLY
+## built for the purpose of being an example.
+
+# EXAMPLE INTERFACE FILE
+# 1293 - HOST_NET (Ignore This. It's the native VLAN.)
+# 2176 - CONTAINER_NET
+# 1998 - OVERLAY_NET
+# 2144 - STORAGE_NET
+# 2146 - GATEWAY_NET (VM Provider Network. Ignore this. OpenStack will tag for us.)
+
+## Physical interface, could be bond. This only needs to be set once for the physical device
+auto eth0
+iface eth0 inet manual
+
+auto eth1
+iface eth1 inet manual
+
+
+## Vlan tagged interface, this should be physical interface along with the vlan tag
+# The vlan tag number should reflect your already setup vlans.
+iface eth0.1293 inet static
+    vlan-raw-device eth0
+    address 10.240.0.100
+    netmask 255.255.252.0
+    gateway 10.240.0.1
+    dns-nameservers 69.20.0.164 69.20.0.196
+
+#STORAGE_NET
+iface eth0.2144 inet manual
+    vlan-raw-device eth0
+
+#CONTAINER_NET
+iface eth0.2176 inet manual
+    vlan-raw-device eth0
+
+#OVERLAY_NET
+iface eth1.1998 inet manual
+    vlan-raw-device eth1
+
+
+## Required network bridges; br-vlan, br-vxlan, br-mgmt.
+# Bridge for management network
+auto br-mgmt
+iface br-mgmt inet static
+    bridge_stp off
+    bridge_waitport 0
+    bridge_fd 0
+    # Notice the bridge port is the vlan tagged interface
+    bridge_ports eth0.2176
+    address 172.29.236.100
+    netmask 255.255.252.0
+    dns-nameservers 69.20.0.164 69.20.0.196
+
+
+# Bridge for vxlan network
+# Only the COMPUTE nodes will have an IP on this bridge!
+# When used by infra nodes, IPs exist in the containers and inet should be set to manual.
+auto br-vxlan
+iface br-vxlan inet static
+    bridge_stp off
+    bridge_waitport 0
+    bridge_fd 0
+    bridge_ports eth1.1998
+    address 172.29.240.100
+    netmask 255.255.252.0
+
+
+# Bridge for vlan network
+auto br-vlan
+iface br-vlan inet manual
+    bridge_stp off
+    bridge_waitport 0
+    bridge_fd 0
+    # Notice this bridge port is an Untagged host interface
+    bridge_ports eth1 br-vlan-veth
+    # Create veth pair, don't bomb if already exists
+    pre-up ip link add br-vlan-veth type veth peer name eth12 || true
+    # Set both ends UP
+    pre-up ip link set br-vlan-veth up
+    pre-up ip link set eth12 up
+    # Delete veth pair on DOWN
+    post-down ip link del br-vlan-veth || true
+
+# Bridge for storage network
+# Only the COMPUTE nodes will have an IP on this bridge!
+# When used by infra nodes, IPs exist in the containers and inet should be set to manual.
+auto br-storage
+iface br-storage inet static
+    bridge_stp off
+    bridge_waitport 0
+    bridge_fd 0
+    bridge_ports eth0.2144
+    address 172.29.244.100
+    netmask 255.255.252.0
+
+
+# Bridge for servicenet network
+# ALL nodes will have an IP on this bridge. If fact, it's the same IP.
+# !! DO NOT PUT A PHYSICAL INTERFACE IN THIS BRIDGE ON THE HOST !!
+# Will ue an iptables MASQUERADE rule to NAT traffic
+auto br-snet
+iface br-snet inet static
+    bridge_stp off
+    bridge_waitport 0
+    bridge_fd 0
+    # Notice there is NO physical interface in this bridge!
+    address 172.29.248.1
+    netmask 255.255.252.0
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