我已经使用 devstack 脚本安装了多节点 openstak。可以运行虚拟机，但网络存在问题，无法从一个虚拟机 ssh/ping 到另一个虚拟机。我只能从它运行的主机（control1，computeX）SSH到VM，而其他主机不能。有什么建议么？
nova-compute control1 nova enabled :-)
nova-cert control1 nova enabled :-)
nova-network control1 nova enabled :-)
nova-scheduler control1 nova enabled :-)
nova-consoleauth control1 nova enabled :-)
nova-compute compute1 nova enabled :-)
nova-volume compute1 nova enabled :-)
nova-network compute1 nova enabled :-)
nova-compute compute2 nova enabled :-)
nova-volume compute2 nova enabled :-)
nova-network compute2 nova enabled :-)
控制1 /etc/network/interfaces
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
auto eth0
iface eth0 inet static
address 172.16.0.1
#address 172.16.0.101
netmask 255.255.255.0
network 172.16.0.0
broadcast 172.16.0.255
gateway 172.16.0.254
dns-nameservers 8.8.8.8
auto eth1
iface eth1 inet static
address 11.0.0.4
netmask 255.255.255.0
network 11.0.0.0
broadcast 11.0.0.255
计算1 /etc/network/interfaces
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
auto eth0
iface eth0 inet static
address 172.16.0.2
netmask 255.255.255.0
network 172.16.0.0
broadcast 172.16.0.255
gateway 172.16.0.254
dns-nameservers 8.8.8.8
auto eth1
iface eth1 inet static
address 11.0.0.5
netmask 255.255.255.0
network 11.0.0.0
broadcast 11.0.0.255
控制1 /etc/nova/nova.conf
[DEFAULT]
verbose=True
auth_strategy=keystone
allow_resize_to_same_host=True
root_helper=sudo /usr/local/bin/nova-rootwrap /etc/nova/rootwrap.conf
compute_scheduler_driver=nova.scheduler.filter_scheduler.FilterScheduler
dhcpbridge_flagfile=/etc/nova/nova.conf
fixed_range=10.1.0.0/16
s3_host=172.16.0.1
s3_port=3333
network_manager=nova.network.manager.FlatDHCPManager
osapi_compute_extension=nova.api.openstack.compute.contrib.standard_extensions
my_ip=172.16.0.1
public_interface=eth0
vlan_interface=eth0
flat_network_bridge=br100
flat_interface=eth1
sql_connection=mysql://root:supersecret@172.16.0.1/nova?charset=utf8
libvirt_type=qemu
libvirt_cpu_mode=none
instance_name_template=instance-%08x
novncproxy_base_url=http://172.16.0.1:6080/vnc_auto.html
xvpvncproxy_base_url=http://172.16.0.1:6081/console
vncserver_listen=127.0.0.1
vncserver_proxyclient_address=127.0.0.1
api_paste_config=/etc/nova/api-paste.ini
image_service=nova.image.glance.GlanceImageService
ec2_dmz_host=172.16.0.1
rabbit_host=172.16.0.1
rabbit_password=supersecret
glance_api_servers=172.16.0.1:9292
force_dhcp_release=True
multi_host=True
send_arp_for_ha=True
use_syslog=True
logging_context_format_string=%(asctime)s %(levelname)s %(name)s [%(request_id)s %(user_name)s %(project_name)s] %(instance)s%(message)s
volume_api_class=nova.volume.cinder.API
compute_driver=libvirt.LibvirtDriver
firewall_driver=nova.virt.libvirt.firewall.IptablesFirewallDriver
enabled_apis=ec2,osapi_compute,metadata