I have a question about the network and Centos 7
I am experimenting with two C7 installations:
- On relatively new hardware, configured with fixed IP address in IPV4 only
- on top of Windows, using VMWare, sharing my windows connection via
Vmware's bridge with IPV4 only.
On both configurations, I run a script every five minutes to test the
network. The sequence is as follows:
- Find the default interface using "ip route"
- Find that interface's IP address by scanning the output of "ip
route" for a match in interface.
If the above tests fail to resolve, I issue "systemctl restart
network", and post a mail message to myself. When this happens, the
network does indeed come back correctly.
I do the same sequence on Centos 6 installations, (using "system
network restart").
I find that on Centos 6, I almost never get notified that the restart
occurred (except when there's a real reason).
On Centos 7, however, I find that about once a day or so, I get
notified, even though there's nothing that has changed.
On Centos 6, I left the avahi daemon running. On Centos 7, I
disabled avahi (because with it enabled, I was getting this failure
once every few hours).
Are there any clues in the above? On C7, the "messages" log has
nothing that I can associate with the failure.
David
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