I also tried again with the following local.conf, and I still got an MTU of 1500 on eth0 inside the VMs.
[[local|localrc]] IP_VERSION=4 HOST_IP=172.18.161.6 SERVICE_HOST=172.18.161.6 MYSQL_HOST=172.18.161.6 RABBIT_HOST=172.18.161.6 GLANCE_HOSTPORT=172.18.161.6:9292 ADMIN_PASSWORD=secrete DATABASE_PASSWORD=secrete RABBIT_PASSWORD=secrete SERVICE_PASSWORD=secrete SERVICE_TOKEN=secrete
# Do not use Nova-Network disable_service n-net # Enable Neutron ENABLED_SERVICES+=,q-svc,q-dhcp,q-meta,q-agt,q-l3
## Neutron options Q_USE_SECGROUP=True FLOATING_RANGE="172.18.161.0/24" FIXED_RANGE="10.0.0.0/24" Q_FLOATING_ALLOCATION_POOL=start=172.18.161.250,end=172.18.161.254 PUBLIC_NETWORK_GATEWAY="172.18.161.1" Q_L3_ENABLED=True PUBLIC_INTERFACE=eth0 Q_USE_PROVIDERNET_FOR_PUBLIC=True OVS_PHYSICAL_BRIDGE=br-ex PUBLIC_BRIDGE=br-ex OVS_BRIDGE_MAPPINGS=public:br-ex
# Decent logging
LOG_COLOR=False DEST=/opt/stack LOGFILE=$DEST/logs/stack.sh.log SCREEN_LOGDIR=$DEST/logs/screen
# Hack down the MTUs
[[post-config|$NEUTRON_CONF]] [DEFAULT] advertise_mtu=True network_device_mtu=1450
[[post-config|$NOVA_CONF]] [DEFAULT] network_device_mtu=1450
[[post-config|/$Q_PLUGIN_CONF_FILE]] [ml2] physical_network_mtus = public:1450
I also tried again with the following local.conf, and I still got an MTU of 1500 on eth0 inside the VMs.
[[local|localrc]] 172.18. 161.6 HOST=172. 18.161. 6 172.18. 161.6 HOST=172. 18.161. 6 HOSTPORT= 172.18. 161.6:9292 secrete PASSWORD= secrete PASSWORD= secrete PASSWORD= secrete TOKEN=secrete
IP_VERSION=4
HOST_IP=
SERVICE_
MYSQL_HOST=
RABBIT_
GLANCE_
ADMIN_PASSWORD=
DATABASE_
RABBIT_
SERVICE_
SERVICE_
# Do not use Nova-Network SERVICES+ =,q-svc, q-dhcp, q-meta, q-agt,q- l3
disable_service n-net
# Enable Neutron
ENABLED_
## Neutron options RANGE=" 172.18. 161.0/24" "10.0.0. 0/24" ALLOCATION_ POOL=start= 172.18. 161.250, end=172. 18.161. 254 NETWORK_ GATEWAY= "172.18. 161.1" INTERFACE= eth0 ET_FOR_ PUBLIC= True BRIDGE= br-ex MAPPINGS= public: br-ex
Q_USE_SECGROUP=True
FLOATING_
FIXED_RANGE=
Q_FLOATING_
PUBLIC_
Q_L3_ENABLED=True
PUBLIC_
Q_USE_PROVIDERN
OVS_PHYSICAL_
PUBLIC_BRIDGE=br-ex
OVS_BRIDGE_
# Decent logging
LOG_COLOR=False $DEST/logs/ stack.sh. log LOGDIR= $DEST/logs/ screen
DEST=/opt/stack
LOGFILE=
SCREEN_
# Hack down the MTUs
[[post- config| $NEUTRON_ CONF]] device_ mtu=1450
[DEFAULT]
advertise_mtu=True
network_
[[post- config| $NOVA_CONF] ] device_ mtu=1450
[DEFAULT]
network_
[[post- config| /$Q_PLUGIN_ CONF_FILE] ] network_ mtus = public:1450
[ml2]
physical_