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

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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