[FZH] Fedora Docker Container Network problems

[Alick Zhao]

Fedora guest needs IPV4 forward to be true?
On Oct 11, 2015 22:02, "Nicol TAO" <nicol_tao在126.com> wrote:

> Hello!
>
>     I want to ask a question about Docker.
>     I installed VMware Workstation 10 in Windows7 as host, and the guest
> OS is fedora 22 with latest updates.
>     I installed the latest docker, and running
>         sudo docker run -i -t centos:latest ping 8.8.4.4
>     But I found all the containers can not access wider Internet, I have
> tried fedora's docker, and official
>     docker-engine, they all do not work.
>
>     I am using default docker0 bridge, and my network configuration is:
>         Host OS(192.168.200.1) <--> VMware NAT(192.168.200.2) <--> Fedora
> Guest(192.168.200.137) <--> docker0(172.17.42.1) <--> container(172.17.0.4)
>
>     I can run ping from container with 172.17.42.1 AND 192.168.200.137 OK,
> but I can not access 192.168.200.2 and later networks.
>
>     I also installed other OS(debian) with the same VMWare configuration,
> the network works fine. So I figure whether it is fedora's problem.
>
>     Does the Vmware+fedora22 can fully support docker network and
> functions ?
>
>
> [root在localhost ~]# route
> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use
> Iface
> default         gateway         0.0.0.0         UG    0      0        0
> eth0
> 172.17.0.0      0.0.0.0         255.255.0.0     U     0      0        0
> docker0
> 192.168.122.0   0.0.0.0         255.255.255.0   U     0      0        0
> virbr0
> 192.168.200.0   0.0.0.0         255.255.255.0   U     0      0        0
> eth0
> --
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>