Network connection issues on Oracle Linux 6.5 VM

Posted on 2014-11-10
Last Modified: 2014-11-15
I took a snapshot of this VM(Oracle Linux 6.5) last month when all the installation was done. The nework connections was working when I took the snapshot. Now when I rolled it back to that snapshot, it says no network connections. All the network configuration is still there.
By the way, it shows IP Address: fe80::250::56ff:Fead:xxxx now from the vSphere client guest view.
How to fix it?
Question by:mrong
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LVL 17

Expert Comment

by:James H
ID: 40432922
Restart VMTools. If that doesn't work then go in and disable IPv6.
Did you install the GUI with Linux or only CLI?

Author Comment

ID: 40432950
GUI with Linux installed.
How to disable IPv6?

Author Comment

ID: 40432952
Restart VMTools means restart the guest VM?
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LVL 17

Accepted Solution

James H earned 500 total points
ID: 40432985
In the GUI, you will see the network connection on the top right. Right click on that and choose "Edit Connections..."
From there you will see a Wired connection "Auth eth0", click on that and click on the edit button. A window will appear and you will see an IPv6 setting tab, click there and change the method (drop down box) to "Ignore".

I would then reboot VM and try again.

Author Comment

ID: 40433010
It stated "Ignore" in IPv6 settings. I just ran VMWare updates (current VM version: vmx-10)and reboot the guest but still same issue.

Author Comment

ID: 40433031
still saying "No network connection"
LVL 17

Expert Comment

by:James H
ID: 40433341
In the setting of the VM itself, it the vNIC set to be connected and connect on power on.
LVL 62

Expert Comment

ID: 40433934
Do you have any network card installed?
By default oracle linux comes up with network down. You need to edit /etc/sysconfig/network-scripts/ifcfg-eth0 and change ONBOOT to yes, Then network will come up (service network restart // can save a reboot)

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