On 16/01/17 03:15, Jeff Clay wrote:
I’m trying to install FreeIPA on CentOS 7. The server I’m using is a Google 
Cloud Compute Engine instance. For some reason, they assign all instances a /32 
bit netmask on the internal interface even though you have your own private /20 
subnet.
When installing freeipa on these vm's, you get the error "Error: Invalid IP 
Address 10.128.0.5: cannot use IP network address 10.128.0.5”

Here are the settings for the interface.
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1460
        inet 10.128.0.5  netmask 255.255.255.255  broadcast 10.128.0.5
        ether 42:01:0a:80:00:05  txqueuelen 1000  (Ethernet)
        RX packets 17904  bytes 116212393 (110.8 MiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 19001  bytes 3287390 (3.1 MiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

How can I bypass that error and should /32 mask detection really be there?

Thanks,

Hello Jeff,
this issue was already fixed upstream [1]. The fix is part of 4.4.2 release. I'm afraid it's not available in CentOS yet. The easiest way would be to wait for the release to get to the CentOS or use Fedora instead.

[1] https://fedorahosted.org/freeipa/ticket/5814
--
David Kupka

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