|
|
@@ -46,7 +46,7 @@ by default. You can see this bridge as part of a host's network stack by using
|
|
|
the `ifconfig` command on the host.
|
|
|
|
|
|
```
|
|
|
-ubuntu@ip-172-31-36-118:~$ ifconfig
|
|
|
+$ ifconfig
|
|
|
docker0 Link encap:Ethernet HWaddr 02:42:47:bc:3a:eb
|
|
|
inet addr:172.17.0.1 Bcast:0.0.0.0 Mask:255.255.0.0
|
|
|
inet6 addr: fe80::42:47ff:febc:3aeb/64 Scope:Link
|
|
|
@@ -60,16 +60,16 @@ docker0 Link encap:Ethernet HWaddr 02:42:47:bc:3a:eb
|
|
|
The `none` network adds a container to a container-specific network stack. That container lacks a network interface. Attaching to such a container and looking at it's stack you see this:
|
|
|
|
|
|
```
|
|
|
-ubuntu@ip-172-31-36-118:~$ docker attach nonenetcontainer
|
|
|
+$ docker attach nonenetcontainer
|
|
|
|
|
|
-/ # cat /etc/hosts
|
|
|
+root@0cb243cd1293:/# cat /etc/hosts
|
|
|
127.0.0.1 localhost
|
|
|
::1 localhost ip6-localhost ip6-loopback
|
|
|
fe00::0 ip6-localnet
|
|
|
ff00::0 ip6-mcastprefix
|
|
|
ff02::1 ip6-allnodes
|
|
|
ff02::2 ip6-allrouters
|
|
|
-/ # ifconfig
|
|
|
+root@0cb243cd1293:/# ifconfig
|
|
|
lo Link encap:Local Loopback
|
|
|
inet addr:127.0.0.1 Mask:255.0.0.0
|
|
|
inet6 addr: ::1/128 Scope:Host
|
|
|
@@ -79,7 +79,7 @@ lo Link encap:Local Loopback
|
|
|
collisions:0 txqueuelen:0
|
|
|
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
|
|
|
|
|
|
-/ #
|
|
|
+root@0cb243cd1293:/#
|
|
|
```
|
|
|
>**Note**: You can detach from the container and leave it running with `CTRL-p CTRL-q`.
|
|
|
|
|
|
@@ -190,7 +190,7 @@ You can `attach` to a running `container` and investigate its configuration:
|
|
|
```
|
|
|
$ docker attach container1
|
|
|
|
|
|
-/ # ifconfig
|
|
|
+root@0cb243cd1293:/# ifconfig
|
|
|
ifconfig
|
|
|
eth0 Link encap:Ethernet HWaddr 02:42:AC:11:00:02
|
|
|
inet addr:172.17.0.2 Bcast:0.0.0.0 Mask:255.255.0.0
|
|
|
@@ -214,7 +214,7 @@ lo Link encap:Local Loopback
|
|
|
Then use `ping` for about 3 seconds to test the connectivity of the containers on this `bridge` network.
|
|
|
|
|
|
```
|
|
|
-/ # ping -w3 172.17.0.3
|
|
|
+root@0cb243cd1293:/# ping -w3 172.17.0.3
|
|
|
PING 172.17.0.3 (172.17.0.3): 56 data bytes
|
|
|
64 bytes from 172.17.0.3: seq=0 ttl=64 time=0.096 ms
|
|
|
64 bytes from 172.17.0.3: seq=1 ttl=64 time=0.080 ms
|
|
|
@@ -228,7 +228,7 @@ round-trip min/avg/max = 0.074/0.083/0.096 ms
|
|
|
Finally, use the `cat` command to check the `container1` network configuration:
|
|
|
|
|
|
```
|
|
|
-/ # cat /etc/hosts
|
|
|
+root@0cb243cd1293:/# cat /etc/hosts
|
|
|
172.17.0.2 3386a527aa08
|
|
|
127.0.0.1 localhost
|
|
|
::1 localhost ip6-localhost ip6-loopback
|
|
|
@@ -242,7 +242,7 @@ To detach from a `container1` and leave it running use `CTRL-p CTRL-q`.Then, att
|
|
|
```
|
|
|
$ docker attach container2
|
|
|
|
|
|
-/ # ifconfig
|
|
|
+root@0cb243cd1293:/# ifconfig
|
|
|
eth0 Link encap:Ethernet HWaddr 02:42:AC:11:00:03
|
|
|
inet addr:172.17.0.3 Bcast:0.0.0.0 Mask:255.255.0.0
|
|
|
inet6 addr: fe80::42:acff:fe11:3/64 Scope:Link
|
|
|
@@ -261,7 +261,7 @@ lo Link encap:Local Loopback
|
|
|
collisions:0 txqueuelen:0
|
|
|
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
|
|
|
|
|
|
-/ # ping -w3 172.17.0.2
|
|
|
+root@0cb243cd1293:/# ping -w3 172.17.0.2
|
|
|
PING 172.17.0.2 (172.17.0.2): 56 data bytes
|
|
|
64 bytes from 172.17.0.2: seq=0 ttl=64 time=0.067 ms
|
|
|
64 bytes from 172.17.0.2: seq=1 ttl=64 time=0.075 ms
|
Sebastiaan van Stijn