network setting for openstack

After installation of OpenStack, akai-tsuki.hatenablog.com

Network setting

I use network 1 to access to VM in OpenStack.
and I connect to server via network 2 by ssh.

all_in_one_network

[root@localhost ~]# cd /etc/sysconfig/network-scripts/
[root@localhost network-scripts]# ls -ltr ifcfg-*
-rw-r--r-- 1 root root 254 Aug 24  2018 ifcfg-lo
-rw-r--r-- 1 root root 329 Apr 30 13:41 ifcfg-enp0s8
-rw-r--r-- 1 root root 424 Apr 30 14:42 ifcfg-enp0s3
-rw-r--r-- 1 root root 192 Apr 30 14:47 ifcfg-br-ex
[root@localhost network-scripts]#

[root@localhost network-scripts]# cat ifcfg-br-ex
DEVICE=br-ex
DEVICETYPE=ovs
TYPE=OVSBridge
BOOTPROTO=static
NM_CONTROLLED=no
ONBOOT=yes
HOTPLUG=no
IPADDR=172.16.10.152
PREFIX=24
GATEWAY=172.16.10.1
DNS1=172.16.10.1
DEFROUTE=yes
IPV6INIT=no
[root@localhost network-scripts]#

[root@localhost network-scripts]# cat ifcfg-enp0s3 | grep -v "^#"
NM_CONTROLLED=no
DEVICETYPE=ovs
TYPE=OVSPort
OVS_BRIDGE=br-ex
DEVICE=enp0s3
NAME=enp0s3
BOOTPROTO=none
UUID=3a0633b6-815b-4196-9756-6824a53b07ff
ONBOOT=yes
[root@localhost network-scripts]#

[root@localhost network-scripts]# cat ifcfg-enp0s8 | grep -v "^#"
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=none
IPADDR=192.168.20.10
PREFIX=24
DEFROUTE=no
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_FAILURE_FATAL=no
IPV6_ADDR_GEN_MODE=stable-privacy
NAME=enp0s8
UUID=054f6482-6dec-4d83-bf71-0c7b050beb79
DEVICE=enp0s8
ONBOOT=yes
[root@localhost network-scripts]#

[root@localhost network-scripts]# ip a s br-ex
7: br-ex: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UNKNOWN group default qlen 1000
    link/ether 08:00:27:95:13:e8 brd ff:ff:ff:ff:ff:ff
    inet 172.16.10.152/24 brd 172.16.10.255 scope global br-ex
       valid_lft forever preferred_lft forever
    inet6 fe80::bc97:d4ff:fedf:9f46/64 scope link
       valid_lft forever preferred_lft forever
[root@localhost network-scripts]#

[root@localhost network-scripts]# ip a s enp0s3
2: enp0s3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast master ovs-system state UP group default qlen 1000
    link/ether 08:00:27:95:13:e8 brd ff:ff:ff:ff:ff:ff
    inet6 fe80::a00:27ff:fe95:13e8/64 scope link
       valid_lft forever preferred_lft forever
[root@localhost network-scripts]#

[root@localhost network-scripts]# ip a s enp0s8
3: enp0s8: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
    link/ether 08:00:27:ba:eb:1f brd ff:ff:ff:ff:ff:ff
    inet 192.168.20.10/24 brd 192.168.20.255 scope global enp0s8
       valid_lft forever preferred_lft forever
    inet6 fe80::a00:27ff:feba:eb1f/64 scope link
       valid_lft forever preferred_lft forever
[root@localhost network-scripts]#

[root@localhost network-scripts]# ovs-vsctl list-br
br-ex
br-int
br-tun
[root@localhost network-scripts]#

[root@localhost network-scripts]# ovs-vsctl list-ports br-ex
enp0s3
phy-br-ex
[root@localhost network-scripts]#