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Internet Access Problem

Started by"Stephen P. Molnar" <s.molnar@sbcglobal.net>
First post2024-04-11 16:00 +0200
Last post2024-04-12 16:20 +0200
Articles 3 — 3 participants

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  Internet Access Problem "Stephen P. Molnar" <s.molnar@sbcglobal.net> - 2024-04-11 16:00 +0200
    Re: Internet Access Problem Marco Moock <mm@dorfdsl.de> - 2024-04-11 16:10 +0200
    Re: Internet Access Problem Max Nikulin <manikulin@gmail.com> - 2024-04-12 16:20 +0200

#268808 — Internet Access Problem

From"Stephen P. Molnar" <s.molnar@sbcglobal.net>
Date2024-04-11 16:00 +0200
SubjectInternet Access Problem
Message-ID<Is385-5zHD-11@gated-at.bofh.it>

[Multipart message — attachments visible in raw view] — view raw

I am running Bullseye and attempting to use QEMU/KVM virt-manager, on 
the computers on my LAN rather than Oracle VM VirtualBox.

I particularly would like to be able to run Windows 10 as there in one 
application that I need for my molecular modeling research that is not 
available for Linux.

I followed the How To (HowTo.txt, attached) without any warning or error 
messages. However, when I pinged yahoo.com. I got the result:

Reply from 169.234.75.136: Destination host unreachable.

It is my understanding the internet should be reachable from Windows 10 
from the default connection.

The default virt-manger xml file and the host i pa results are also 
attached.

I would appreciate any sort of insight as to what might have gone wrong.

Thanks in advance.

-- 
Stephen P. Molnar, Ph.D.
https://insilicochemistry.net
(614)312-7528 (c)
Skype:  smolnar1


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#268813

FromMarco Moock <mm@dorfdsl.de>
Date2024-04-11 16:10 +0200
Message-ID<Is3hM-5A0m-3@gated-at.bofh.it>
In reply to#268808
Am 11.04.2024 um 09:53:30 Uhr schrieb Stephen P. Molnar:

> I followed the How To (HowTo.txt, attached) without any warning or
> error messages. However, when I pinged yahoo.com. I got the result:
> 
> Reply from 169.234.75.136: Destination host unreachable.

You have to specify how your network is being attached to the VM. I
recommend a network bridge to your NIC, so the virtual PC is a normal
client in your network.

-- 
Gruß
Marco

Send unsolicited bulk mail to 1712822010muell@cartoonies.org

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#268825

FromMax Nikulin <manikulin@gmail.com>
Date2024-04-12 16:20 +0200
Message-ID<IspUZ-5O05-1@gated-at.bofh.it>
In reply to#268808
On 11/04/2024 20:53, Stephen P. Molnar wrote:
> I am running Bullseye and attempting to use QEMU/KVM virt-manager, on 
> the computers on my LAN rather than Oracle VM VirtualBox.
[...]
> However, when I pinged yahoo.com. I got the result:
> 
> Reply from 169.234.75.136: Destination host unreachable.

If the VM for some reason is configured with "user" network instead of 
vibr0 then it is expected:

https://wiki.qemu.org/Documentation/Networking
> Note - if you are using the (default) SLiRP user networking, then ping
> (ICMP) will not work, though TCP and UDP will. Don't try to use ping to
> test your QEMU network configuration!

Regular user running VM does not have enough privileges to send ICMP 
packets.

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