Re: Establishing connection with Oracle VM server in virtual box using putty

Thanks Frank for responding.

I was able to resolve the issue by enabling the "Host-only" adapter for the network 2 and explicitly enabling it within the VM. In my first attempt, I changed the Adapter 1 setting from NAT to "Host Only Adapter" which was giving me issues. So far after this change it looks to be stable and i don't have any connectivity issues.

Thanks again!

Thanks,
Rakesh T

On Fri, Aug 28, 2020 at 2:43 PM Frank Gordon <frankagordon_at_gmail.com> wrote:

> Hello,
>
>
> I've never seen anything like this before.
> The MAC address is being reported as the IP address.
> Are you using a dynamic IP address or are you hardcoding an IP address?
> What does the configuration file for the network interface look like?
> What is the output "journalctl -xe"
>
> My guess is that the "lease" on the IP address runs out ...
>
> Regards,
> Frank
>
>
> On Fri, Aug 28, 2020 at 4:40 AM Rakesh T <aryan.goti_at_gmail.com> wrote:
>
>> Missed to ask the actual question ..:).. Has anyone experienced this
>> problem before / have sme solution to this?
>>
>> Thanks,
>> Rakesh T
>>
>>
>> On Fri, Aug 28, 2020 at 9:00 AM Rakesh T <aryan.goti_at_gmail.com> wrote:
>>
>>> Hi All,
>>>
>>> I have a Oracle VM developer machine (running OEL7.6) running on top of
>>> Windows 10. In an attempt to establish connection with the VM server using
>>> putty from my desktop, I changed the "Adapter 1" network settings to host
>>> only adapter and after starting the machine I was able to get an IP address
>>> in eth0, and thereby I was able to establish connection using putty. But
>>> after say a few minutes (3 to 4 minutes) I am losing the connection with
>>> the VM server, and when I check the eth0 configuration, I see some strange
>>> address i.e. "08:00:27:ec:1d:e8" getting reported.
>>>
>>> After changing adapter 1 to host only adapter.
>>> =================================
>>> eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
>>> inet 192.168.56.101 netmask 255.255.255.0 broadcast
>>> 192.168.56.255<<<<<<<<<<<<<<<<<<<<<<<<< IP address reflecting
>>> ether 08:00:27:ec:1d:e8 txqueuelen 1000 (Ethernet)
>>> RX packets 17 bytes 2352 (2.2 KiB)
>>> RX errors 0 dropped 0 overruns 0 frame 0
>>> TX packets 22 bytes 3503 (3.4 KiB)
>>> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>>>
>>> After few minutes
>>> ====================
>>> eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
>>> ether 08:00:27:ec:1d:e8 txqueuelen 1000
>>> (Ethernet)<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<
>>> RX packets 681 bytes 61970 (60.5 KiB)
>>> RX errors 0 dropped 0 overruns 0 frame 0
>>> TX packets 405 bytes 75946 (74.1 KiB)
>>> TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
>>>
>>> [root_at_localhost ~]# service network restart
>>> Restarting network (via systemctl): Job for network.service failed
>>> because the control process exited with error code. See "systemctl status
>>> network.service" and "journalctl -xe" for details.
>>> [FAILED]
>>> [root_at_localhost ~]#
>>>
>>>
>>>
>>> Thanks,
>>> Rakesh T
>>>
>>
>
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>

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