openstack 命令行管理一 - br-ex 网络设定 (备忘)

来源：互联网发布：c foreach 遍历数组编辑：程序博客网时间：2024/05/29 17:57

理解:

openstack 内部网络结构如下

|------------ 内部网络 ----------| <- 虚拟路由 -> |----- 外部网络 ------|
[instance1 eth0] ==== br-int br-ext====== 物理eth0
[instance2 eth1] =====/

确保打开网络转发功能

[root@station140 ~(keystone_admin)]# sysctl -p

net.ipv4.ip_forward = 1

cat /etc/sysconfig/network-scripts/ifcfg-eth0

DEVICE="eth0"BOOTPROTO="none"HWADDR="00:50:56:81:C6:5B" [必须具有正确的 MAC, 否则报错]IPV6INIT="no"MTU="1500"NM_CONTROLLED="no"ONBOOT="yes"TYPE="Ethernet"UUID="f3690b2c-7707-4be0-8f76-648cb64da30f"#IPADDR=192.168.48.140#NETMASK=255.255.255.0#GATEWAY=192.168.48.1

cat /etc/sysconfig/network-scripts/ifcfg-br-ex

DEVICE=br-exIPADDR=192.168.48.140NETMASK=255.255.255.0ONBOOT=yesGATEWAY=192.168.48.1

生效方法, 必须一行执行, 否则网络断开 ssh 连接

ovs-vsctl add-port br-ex eth0; service network restart

查询网络地址(只显示部分信息)

[root@station140 ~(keystone_admin)]# ifconfigbr-ex     Link encap:Ethernet  HWaddr 00:50:56:81:C6:5B          inet addr:192.168.48.140  Bcast:192.168.48.255  Mask:255.255.255.0          inet6 addr: fe80::250:56ff:fe81:c65b/64 Scope:Link          UP BROADCAST RUNNING  MTU:1500  Metric:1          RX packets:32144 errors:0 dropped:0 overruns:0 frame:0          TX packets:24644 errors:0 dropped:0 overruns:0 carrier:0          collisions:0 txqueuelen:0          RX bytes:11952047 (11.3 MiB)  TX bytes:7386338 (7.0 MiB)br-int    Link encap:Ethernet  HWaddr AA:98:12:BD:BD:49          inet6 addr: fe80::a898:12ff:febd:bd49/64 Scope:Link          UP BROADCAST RUNNING  MTU:1500  Metric:1          RX packets:270 errors:0 dropped:0 overruns:0 frame:0          TX packets:6 errors:0 dropped:0 overruns:0 carrier:0          collisions:0 txqueuelen:0          RX bytes:23380 (22.8 KiB)  TX bytes:468 (468.0 b)eth0      Link encap:Ethernet  HWaddr 00:50:56:81:C6:5B          inet6 addr: fe80::250:56ff:fe81:c65b/64 Scope:Link          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1          RX packets:17270550 errors:0 dropped:0 overruns:0 frame:0          TX packets:25699 errors:0 dropped:0 overruns:0 carrier:0          collisions:0 txqueuelen:1000          RX bytes:19175912632 (17.8 GiB)  TX bytes:7421019 (7.0 MiB)

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