使用centos镜像创建容器，在容器内部署php项目，由于要向宿主机所在局域网的另一台服务器请求接口服务，发起的http请求始终连接不上，但可以连接国际互联网。
2.
宿主机IP:172.20.20.152,
请求接口的目标服务器IP:172.17.3.97
创建Docker容器的命令：
docker run -p 80:80 --name=mycns -it eeb3a076a0be /bin/bash
进入容器后，执行命令：
ping 172.17.3.97
返回结果是：
From 172.17.0.3 icmp_seq=1 Destination Host Unreachable
From 172.17.0.3 icmp_seq=2 Destination Host Unreachable
From 172.17.0.3 icmp_seq=3 Destination Host Unreachable
From 172.17.0.3 icmp_seq=4 Destination Host Unreachable
From 172.17.0.3 icmp_seq=5 Destination Host Unreachable
From 172.17.0.3 icmp_seq=6 Destination Host Unreachable
From 172.17.0.3 icmp_seq=8 Destination Host Unreachable
From 172.17.0.3 icmp_seq=9 Destination Host Unreachable
安装docker版本信息：
docker version
返回：
Client version: 1.7.1
Client API version: 1.19
Go version (client): go1.4.2
Git commit (client): 786b29d/1.7.1
OS/Arch (client): linux/amd64
Server version: 1.7.1
Server API version: 1.19
Go version (server): go1.4.2
Git commit (server): 786b29d/1.7.1
OS/Arch (server): linux/amd64
3.
宿主机执行ifconfig命令，返回：
docker0 Link encap:Ethernet HWaddr EE:25:C5:DA:10:47
<code> inet addr:172.17.42.1 Bcast:0.0.0.0 Mask:255.255.0.0
inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:64400 errors:0 dropped:0 overruns:0 frame:0
TX packets:69800 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:3945235 (3.7 MiB) TX bytes:105962604 (101.0 MiB)
</code>eth0 Link encap:Ethernet HWaddr F2:3D:F0:2B:43:31
<code> inet addr:172.20.20.152 Bcast:172.20.255.255 Mask:255.255.0.0
inet6 addr: fe80::f03d:f0ff:fe2b:4331/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:29702118 errors:0 dropped:0 overruns:0 frame:0
TX packets:583992 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:2997801386 (2.7 GiB) TX bytes:73288231 (69.8 MiB)
</code>lo Link encap:Local Loopback
<code> inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:7059 errors:0 dropped:0 overruns:0 frame:0
TX packets:7059 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:4819120 (4.5 MiB) TX bytes:4819120 (4.5 MiB)
</code>veth50f5616 Link encap:Ethernet HWaddr EE:25:C5:DA:10:47
<code> inet6 addr: fe80::ec25:c5ff:feda:1047/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:17 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:1014 (1014.0 b) TX bytes:468 (468.0 b)
</code>4.
宿主机本可以正常连接172.17.3.97这台机器，但docker服务启动后，无法正常连接。
来一位大神帮看看呵呵
使用centos镜像创建容器，在容器内部署php项目，由于要向宿主机所在局域网的另一台服务器请求接口服务，发起的http请求始终连接不上，但可以连接国际互联网。
2.
宿主机IP:172.20.20.152,
请求接口的目标服务器IP:172.17.3.97
创建Docker容器的命令：
docker run -p 80:80 --name=mycns -it eeb3a076a0be /bin/bash
进入容器后，执行命令：
ping 172.17.3.97
返回结果是：
From 172.17.0.3 icmp_seq=1 Destination Host Unreachable
From 172.17.0.3 icmp_seq=2 Destination Host Unreachable
From 172.17.0.3 icmp_seq=3 Destination Host Unreachable
From 172.17.0.3 icmp_seq=4 Destination Host Unreachable
From 172.17.0.3 icmp_seq=5 Destination Host Unreachable
From 172.17.0.3 icmp_seq=6 Destination Host Unreachable
From 172.17.0.3 icmp_seq=8 Destination Host Unreachable
From 172.17.0.3 icmp_seq=9 Destination Host Unreachable
安装docker版本信息：
docker version
返回：
Client version: 1.7.1
Client API version: 1.19
Go version (client): go1.4.2
Git commit (client): 786b29d/1.7.1
OS/Arch (client): linux/amd64
Server version: 1.7.1
Server API version: 1.19
Go version (server): go1.4.2
Git commit (server): 786b29d/1.7.1
OS/Arch (server): linux/amd64
3.
宿主机执行ifconfig命令，返回：
docker0 Link encap:Ethernet HWaddr EE:25:C5:DA:10:47
<code> inet addr:172.17.42.1 Bcast:0.0.0.0 Mask:255.255.0.0
inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:64400 errors:0 dropped:0 overruns:0 frame:0
TX packets:69800 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:3945235 (3.7 MiB) TX bytes:105962604 (101.0 MiB)
</code>eth0 Link encap:Ethernet HWaddr F2:3D:F0:2B:43:31
<code> inet addr:172.20.20.152 Bcast:172.20.255.255 Mask:255.255.0.0
inet6 addr: fe80::f03d:f0ff:fe2b:4331/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:29702118 errors:0 dropped:0 overruns:0 frame:0
TX packets:583992 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:2997801386 (2.7 GiB) TX bytes:73288231 (69.8 MiB)
</code>lo Link encap:Local Loopback
<code> inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:7059 errors:0 dropped:0 overruns:0 frame:0
TX packets:7059 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:4819120 (4.5 MiB) TX bytes:4819120 (4.5 MiB)
</code>veth50f5616 Link encap:Ethernet HWaddr EE:25:C5:DA:10:47
<code> inet6 addr: fe80::ec25:c5ff:feda:1047/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:17 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:1014 (1014.0 b) TX bytes:468 (468.0 b)
</code>4.
宿主机本可以正常连接172.17.3.97这台机器，但docker服务启动后，无法正常连接。
来一位大神帮看看呵呵
找到原因了： http://dev.bidlust.com/?p=103
你可以不适用桥接网络，使用仅主机网络，这样就和主机一模一样了，docker run添加参数：--net host
应该是防火墙给拦了
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