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computers / comp.misc / Re: Network is unreachable - VM

SubjectAuthor
* Network is unreachable - VMAdrian
`* Re: Network is unreachable - VMMarco Moock
 `* Re: Network is unreachable - VMAdrian
  `* Re: Network is unreachable - VMMarco Moock
   +* Re: Network is unreachable - VMSH
   |+- Re: Network is unreachable - VMMarco Moock
   |`* Re: Network is unreachable - VMAdrian
   | `* Re: Network is unreachable - VMSH
   |  `* Re: Network is unreachable - VMAdrian
   |   `* Re: Network is unreachable - VMDan Purgert
   |    +* Re: Network is unreachable - VMMarco Moock
   |    |`* Re: Network is unreachable - VMDan Purgert
   |    | `- Re: Network is unreachable - VMMarco Moock
   |    `* Re: Network is unreachable - VMAdrian
   |     `* Re: Network is unreachable - VMMarco Moock
   |      `* Re: Network is unreachable - VMAdrian
   |       `* Re: Network is unreachable - VMMarco Moock
   |        `- Re: Network is unreachable - VMAdrian
   `* Re: Network is unreachable - VMAdrian
    `* Re: Network is unreachable - VMMarco Moock
     `* Re: Network is unreachable - VMAdrian
      `* Re: Network is unreachable - VMMarco Moock
       `* Re: Network is unreachable - VMAdrian
        +* Re: Network is unreachable - VMDan Purgert
        |+* Re: Network is unreachable - VMAdrian
        ||`- Re: Network is unreachable - VMMarco Moock
        |`- Re: Network is unreachable - VMMarco Moock
        +* Re: Network is unreachable - VMMarco Moock
        |`* Re: Network is unreachable - VMAdrian
        | `* Re: Network is unreachable - VMMarco Moock
        |  `* Re: Network is unreachable - VMAdrian
        |   `* Re: Network is unreachable - VMMarco Moock
        |    `* Re: Network is unreachable - VMAdrian
        |     `* Re: Network is unreachable - VMMarco Moock
        |      `* Re: Network is unreachable - VMAdrian
        |       `* Re: Network is unreachable - VMMarco Moock
        |        `* Re: Network is unreachable - VMAdrian
        |         +* Re: Network is unreachable - VMAndy Burns
        |         |`- Re: Network is unreachable - VMAdrian
        |         `* Re: Network is unreachable - VMMarco Moock
        |          `* Re: Network is unreachable - VMAdrian
        |           `* Re: Network is unreachable - VMMarco Moock
        |            `* Re: Network is unreachable - VMAdrian
        |             `* Re: Network is unreachable - VMMarco Moock
        |              `- Re: Network is unreachable - VMAdrian
        `* Re: Network is unreachable - VMAndy Burns
         `- Re: Network is unreachable - VMAdrian

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Re: Network is unreachable - VM

<tqp137$2tlc$18@dont-email.me>

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From: mo0...@posteo.de (Marco Moock)
Newsgroups: comp.misc
Subject: Re: Network is unreachable - VM
Date: Tue, 24 Jan 2023 17:30:31 +0100
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 by: Marco Moock - Tue, 24 Jan 2023 16:30 UTC

Am 24.01.2023 um 10:35:50 Uhr schrieb Adrian:

> This is not what I'm seeing. When I open up the settings and select
> network, I can see "Bridged Adapter", but the "Enable Network
> Adapter" box is greyed out. No option seems to allow me to tick/un
> tick that box.

Shut down the virtual machine. Enabling the NIC in VBox is like
connecting a PCI card to a physical system.
Don't confuse "Enable" with "Connected".

> RealtekPCIe GbE Family Controller (which is the default)
> Qualcomm QCA9565 802.11b/g/n Wireless Adapter
> VirtualBox Host-Only Ethernet Adapter
>
> There is no option to enter the NIC that I'm using (enp0s3)

en is Ethernet --> select the Realtek NIC.

Re: Network is unreachable - VM

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From: mo0...@posteo.de (Marco Moock)
Newsgroups: comp.misc
Subject: Re: Network is unreachable - VM
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 by: Marco Moock - Tue, 24 Jan 2023 16:31 UTC

Am 24.01.2023 um 15:32:16 Uhr schrieb Dan Purgert:

> It's been a long time since I've used vbox; but as I (probably
> incorrectly) recall; some of the "greyed out" things were only
> accessible if you were running the vbox UI as root (or in a more
> permissive vbox-something group).

The NIC can only be enabled (virtually connected to the system via PCI)
when the VM is switched off.

Re: Network is unreachable - VM

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From: mo0...@posteo.de (Marco Moock)
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Subject: Re: Network is unreachable - VM
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 by: Marco Moock - Tue, 24 Jan 2023 16:32 UTC

Am 24.01.2023 um 16:10:39 Uhr schrieb Adrian:

> The config
> options for the VM wrapper (for want of a better name) don't seem to
> be as extensive with VMWare, but the networking shows up as NAT.
> Network connection options are :
> Bridged
> Nat (selected)
> Host-only
> Custom
> Lan segment
>
> Am I right in drawing the conclusion that the problem isn't with the
> VM itself, but with the VM hosting software and the way it talks to
> the new router ?

Wrong, you have to set it to "Bridged", as I already told you many
times. Is it so hard to understand that NAT breaks certain things
because of its intended functionality?

Re: Network is unreachable - VM

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From: use...@andyburns.uk (Andy Burns)
Newsgroups: comp.misc
Subject: Re: Network is unreachable - VM
Date: Tue, 24 Jan 2023 17:05:55 +0000
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 by: Andy Burns - Tue, 24 Jan 2023 17:05 UTC

Adrian wrote:

> With Bridged Adapter selected, under Name, I have three options :
>
> RealtekPCIe GbE Family Controller (which is the default)
> Qualcomm QCA9565 802.11b/g/n Wireless Adapter
> VirtualBox Host-Only Ethernet Adapter

those look like windows style device names, presumably that's your host O/S?

> There is no option to enter the NIC that I'm using (enp0s3)

that looks like linux style device nsames, I presume thsat's your guest
O/S, the names won't be the same, the guest won't really know what
actual NICs the host has.

All looks relatively sane though ...

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From: bull...@ku.gro.lioff (Adrian)
Newsgroups: comp.misc
Subject: Re: Network is unreachable - VM
Date: Tue, 24 Jan 2023 18:29:57 +0000
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 by: Adrian - Tue, 24 Jan 2023 18:29 UTC

In message <tqp137$2tlc$18@dont-email.me>, Marco Moock <mo01@posteo.de>
writes
>Am 24.01.2023 um 10:35:50 Uhr schrieb Adrian:
>
>> This is not what I'm seeing. When I open up the settings and select
>> network, I can see "Bridged Adapter", but the "Enable Network
>> Adapter" box is greyed out. No option seems to allow me to tick/un
>> tick that box.
>
>Shut down the virtual machine. Enabling the NIC in VBox is like
>connecting a PCI card to a physical system.
>Don't confuse "Enable" with "Connected".
>
>> RealtekPCIe GbE Family Controller (which is the default)
>> Qualcomm QCA9565 802.11b/g/n Wireless Adapter
>> VirtualBox Host-Only Ethernet Adapter
>>
>> There is no option to enter the NIC that I'm using (enp0s3)
>
>en is Ethernet --> select the Realtek NIC.
>

VM closed down
Network connection set to Bridged Adapter and Realtek controller using
the Virtual Box control panel
VM restarted
I then pinged one of my Pis, and it took 23 seconds to tell me "Name or
service not known"
I also pinged an external site, and again, it took 23 seconds to tell me
"Name or service not known"

I've shutdown again, reset to NAT and rebooted.
I repeated the above, and this time it takes a fraction of a second to
get a response, In this case the Pi isn't found, the external site is.

I know you keep talking about the Bridge being the correct setting, but
the fact is that it doesn't work at all, whereas NAT (with what ever
flaws it may have) does to some extent. See also my other posting where
running with a VMWare controlled VM works fine with NAT.

Adrian
--
To Reply :
replace "bulleid" with "adrian" - all mail to bulleid is rejected
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Re: Network is unreachable - VM

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From: bull...@ku.gro.lioff (Adrian)
Newsgroups: comp.misc
Subject: Re: Network is unreachable - VM
Date: Tue, 24 Jan 2023 18:32:45 +0000
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 by: Adrian - Tue, 24 Jan 2023 18:32 UTC

In message <k3ahfmF6mviU1@mid.individual.net>, Andy Burns
<usenet@andyburns.uk> writes
>Adrian wrote:
>
>> With Bridged Adapter selected, under Name, I have three options :
>> RealtekPCIe GbE Family Controller (which is the default)
>> Qualcomm QCA9565 802.11b/g/n Wireless Adapter
>> VirtualBox Host-Only Ethernet Adapter
>
>those look like windows style device names, presumably that's your host O/S?
>
>> There is no option to enter the NIC that I'm using (enp0s3)
>
>that looks like linux style device nsames, I presume thsat's your guest
>O/S, the names won't be the same, the guest won't really know what
>actual NICs the host has.
>

Yes, W10/64 for the host and CentOS 7.9 for the VM.

>All looks relatively sane though ...
>

Apart from the fact that it doesn't seem to want to play nicely.

Adrian
--
To Reply :
replace "bulleid" with "adrian" - all mail to bulleid is rejected
Sorry for the rigmarole, If I want spam, I'll go to the shops
Every time someone says "I don't believe in trolls", another one dies.

Re: Network is unreachable - VM

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From: mo0...@posteo.de (Marco Moock)
Newsgroups: comp.misc
Subject: Re: Network is unreachable - VM
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 by: Marco Moock - Wed, 25 Jan 2023 08:06 UTC

Am 24.01.2023 um 18:29:57 Uhr schrieb Adrian:

> I then pinged one of my Pis, and it took 23 seconds to tell me "Name
> or service not known"
> I also pinged an external site, and again, it took 23 seconds to tell
> me "Name or service not known"

Please show the output of

cat /etc/resolv.conf
resolvectl

Re: Network is unreachable - VM

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From: bull...@ku.gro.lioff (Adrian)
Newsgroups: comp.misc
Subject: Re: Network is unreachable - VM
Date: Thu, 26 Jan 2023 09:51:51 +0000
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logging-data="1207083"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+YUSBbuOKKy2T1whjn68cwQyp1KNZO/MY="
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 by: Adrian - Thu, 26 Jan 2023 09:51 UTC

In message <tqqnu2$iep2$17@dont-email.me>, Marco Moock <mo01@posteo.de>
writes
>Am 24.01.2023 um 18:29:57 Uhr schrieb Adrian:
>
>> I then pinged one of my Pis, and it took 23 seconds to tell me "Name
>> or service not known"
>> I also pinged an external site, and again, it took 23 seconds to tell
>> me "Name or service not known"
>
>Please show the output of
>
>cat /etc/resolv.conf
>resolvectl
>

$ cat /etc/resolv.conf
# Generated by NetworkManager
search localdomain
nameserver 217.169.20.20
nameserver 217.169.20.21

$ resolvectl
-bash: resolvectl: command not found

Adrian
--
To Reply :
replace "bulleid" with "adrian" - all mail to bulleid is rejected
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Re: Network is unreachable - VM

<tqtj1r$13du4$8@dont-email.me>

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Path: i2pn2.org!i2pn.org!eternal-september.org!reader01.eternal-september.org!.POSTED!not-for-mail
From: mo0...@posteo.de (Marco Moock)
Newsgroups: comp.misc
Subject: Re: Network is unreachable - VM
Date: Thu, 26 Jan 2023 11:01:31 +0100
Organization: A noiseless patient Spider
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 by: Marco Moock - Thu, 26 Jan 2023 10:01 UTC

Am 26.01.2023 schrieb Adrian <bulleid@ku.gro.lioff>:

> $ cat /etc/resolv.conf
> # Generated by NetworkManager
> search localdomain
> nameserver 217.169.20.20
> nameserver 217.169.20.21

Please also
cat /etc/nsswitch.conf

If you want to use .local, is avahi installed and running?

Re: Network is unreachable - VM

<GsrjoCO50n0jFwlq@ku.gro.lloiff>

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From: bull...@ku.gro.lioff (Adrian)
Newsgroups: comp.misc
Subject: Re: Network is unreachable - VM
Date: Thu, 26 Jan 2023 13:16:41 +0000
Organization: Occasionally
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 by: Adrian - Thu, 26 Jan 2023 13:16 UTC

In message <tqtj1r$13du4$8@dont-email.me>, Marco Moock <mo01@posteo.de>
writes
>Am 26.01.2023 schrieb Adrian <bulleid@ku.gro.lioff>:
>
>> $ cat /etc/resolv.conf
>> # Generated by NetworkManager
>> search localdomain
>> nameserver 217.169.20.20
>> nameserver 217.169.20.21
>
>Please also
>cat /etc/nsswitch.conf
>

#
# /etc/nsswitch.conf
# # An example Name Service Switch config file. This file should be
# sorted with the most-used services at the beginning.
# # The entry '[NOTFOUND=return]' means that the search for an
# entry should stop if the search in the previous entry turned
# up nothing. Note that if the search failed due to some other reason
# (like no NIS server responding) then the search continues with the
# next entry.
# # Valid entries include:
# # nisplus Use NIS+ (NIS version 3)
# nis Use NIS (NIS version 2), also called YP
# dns Use DNS (Domain Name Service)
# files Use the local files
# db Use the local database (.db) files
# compat Use NIS on compat mode
# hesiod Use Hesiod for user lookups
# [NOTFOUND=return] Stop searching if not found so far
#

# To use db, put the "db" in front of "files" for entries you want to be
# looked up first in the databases
# # Example:
#passwd: db files nisplus nis
#shadow: db files nisplus nis
#group: db files nisplus nis

passwd: files sss
shadow: files sss
group: files sss
#initgroups: files sss

#hosts: db files nisplus nis dns
hosts: files dns myhostname

# Example - obey only what nisplus tells us...
#services: nisplus [NOTFOUND=return] files
#networks: nisplus [NOTFOUND=return] files
#protocols: nisplus [NOTFOUND=return] files
#rpc: nisplus [NOTFOUND=return] files
#ethers: nisplus [NOTFOUND=return] files
#netmasks: nisplus [NOTFOUND=return] files

bootparams: nisplus [NOTFOUND=return] files

ethers: files
netmasks: files
networks: files
protocols: files
rpc: files
services: files sss

netgroup: nisplus sss

publickey: nisplus

automount: files nisplus sss
aliases: files nisplus

>If you want to use .local, is avahi installed and running?
>

avahi is not installed. I am not bothered whether I use name or
name.local to ping / ssh, but I would like to be able to use at least
one of them.

Additional info.

Today is Thursday. Late on Tuesday evening, my entire Internet
connection dropped out and would not reconnect. Wednesday morning I
tried my old router, and that didn't make any difference, leading to the
conclusion that the fault was beyond my infrastructure. I spoke to my
ISP on Wednesday morning, who confirmed that the link was down, but the
line appeared OK. To doubly confirm that it wasn't my kit (phone
engineers charge if it is), they sent me a new router which arrived this
morning (well done Royal Mail). For as yet unexplained reasons, the
link came back up last night.

I plugged in the new new router this morning, and after giving it a few
minutes to settle down, I fired up the VM. I was able to ping external
sites, and LAN machines. The LAN machines were reachable using name and
name.local. This was without making any changes to the router, or the
VM or VM hosting software.

Adrian
--
To Reply :
replace "bulleid" with "adrian" - all mail to bulleid is rejected
Sorry for the rigmarole, If I want spam, I'll go to the shops
Every time someone says "I don't believe in trolls", another one dies.

Re: Network is unreachable - VM

<tqu64e$181pu$2@dont-email.me>

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From: mo0...@posteo.de (Marco Moock)
Newsgroups: comp.misc
Subject: Re: Network is unreachable - VM
Date: Thu, 26 Jan 2023 16:27:10 +0100
Organization: A noiseless patient Spider
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 by: Marco Moock - Thu, 26 Jan 2023 15:27 UTC

Am 26.01.2023 schrieb Adrian <bulleid@ku.gro.lioff>:

> hosts: files dns myhostname

no mDNS enabled, mDNS lookup (default for .local) WILL NOT WORK.

> avahi is not installed. I am not bothered whether I use name or
> name.local to ping / ssh, but I would like to be able to use at least
> one of them.

..local is intended for mDNS, so install avahi to be able to resolve
these names properly.

Re: Network is unreachable - VM

<omFIKJTBIq0jFwx5@ku.gro.lloiff>

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From: bull...@ku.gro.lioff (Adrian)
Newsgroups: comp.misc
Subject: Re: Network is unreachable - VM
Date: Thu, 26 Jan 2023 15:53:37 +0000
Organization: Occasionally
Lines: 28
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 by: Adrian - Thu, 26 Jan 2023 15:53 UTC

In message <tqu64e$181pu$2@dont-email.me>, Marco Moock <mo01@posteo.de>
writes
>Am 26.01.2023 schrieb Adrian <bulleid@ku.gro.lioff>:
>
>> hosts: files dns myhostname
>
>no mDNS enabled, mDNS lookup (default for .local) WILL NOT WORK.
>
>> avahi is not installed. I am not bothered whether I use name or
>> name.local to ping / ssh, but I would like to be able to use at least
>> one of them.
>
>.local is intended for mDNS, so install avahi to be able to resolve
>these names properly.
>

avahi installed.

systemctl status shows avahi-daemon running.

However, I still don't see any difference in the nsswitch.conf file.

Adrian
--
To Reply :
replace "bulleid" with "adrian" - all mail to bulleid is rejected
Sorry for the rigmarole, If I want spam, I'll go to the shops
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Re: Network is unreachable - VM

<tr004n$1jj6u$2@dont-email.me>

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From: mo0...@posteo.de (Marco Moock)
Newsgroups: comp.misc
Subject: Re: Network is unreachable - VM
Date: Fri, 27 Jan 2023 08:57:11 +0100
Organization: A noiseless patient Spider
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 by: Marco Moock - Fri, 27 Jan 2023 07:57 UTC

Am 26.01.2023 schrieb Adrian <bulleid@ku.gro.lioff>:

> systemctl status shows avahi-daemon running.
>
> However, I still don't see any difference in the nsswitch.conf file.

Use Wireshark/other network sniffer and filter for mDNS.
Do you see any queries?

Re: Network is unreachable - VM

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From: bull...@ku.gro.lioff (Adrian)
Newsgroups: comp.misc
Subject: Re: Network is unreachable - VM
Date: Fri, 27 Jan 2023 15:54:08 +0000
Organization: Occasionally
Lines: 52
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 by: Adrian - Fri, 27 Jan 2023 15:54 UTC

In message <tr004n$1jj6u$2@dont-email.me>, Marco Moock <mo01@posteo.de>
writes
>Am 26.01.2023 schrieb Adrian <bulleid@ku.gro.lioff>:
>
>> systemctl status shows avahi-daemon running.
>>
>> However, I still don't see any difference in the nsswitch.conf file.
>
>Use Wireshark/other network sniffer and filter for mDNS.
>Do you see any queries?
>
$ tshark &
$ ping -c 1 ffoilpi1.local
1 0.000000000 10.0.2.15 -> 217.169.20.20 DNS 74 Standard query
0x9a2c A ffoilpi1.local
2 0.010826823 217.169.20.20 -> 10.0.2.15 DNS 149 Standard query
response 0x9a2c No such name
3 0.011020038 10.0.2.15 -> 217.169.20.20 DNS 86 Standard query
0xa333 A ffoilpi1.local.localdomain
4 0.021736697 217.169.20.20 -> 10.0.2.15 DNS 161 Standard query
response 0xa333 No such name
5 5.007164148 CadmusCo_6f:0b:15 -> RealtekU_12:35:02 ARP 42 Who has
10.0.2.2? Tell 10.0.2.15
6 5.007480484 RealtekU_12:35:02 -> CadmusCo_6f:0b:15 ARP 60 10.0.2.2
is at 52:54:00:12:35:02

$ tshark &
$ ping -c 1 ffoilpi1
1 0.000000000 10.0.2.15 -> 217.169.20.20 DNS 74 Standard query
0x9a2c A ffoilpi1.local
2 0.010826823 217.169.20.20 -> 10.0.2.15 DNS 149 Standard query
response 0x9a2c No such name
3 0.011020038 10.0.2.15 -> 217.169.20.20 DNS 86 Standard query
0xa333 A ffoilpi1.local.localdomain
4 0.021736697 217.169.20.20 -> 10.0.2.15 DNS 161 Standard query
response 0xa333 No such name
5 5.007164148 CadmusCo_6f:0b:15 -> RealtekU_12:35:02 ARP 42 Who has
10.0.2.2? Tell 10.0.2.15
6 5.007480484 RealtekU_12:35:02 -> CadmusCo_6f:0b:15 ARP 60 10.0.2.2
is at 52:54:00:12:35:02

That appears to be going straight out to the Internet to do a lookup, so
it is hardly surprising that I can't get a result. Why doesn't it check
with the router for local names ?

Adrian
--
To Reply :
replace "bulleid" with "adrian" - all mail to bulleid is rejected
Sorry for the rigmarole, If I want spam, I'll go to the shops
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Re: Network is unreachable - VM

<k3ilf5Fqp8uU1@mid.individual.net>

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From: use...@andyburns.uk (Andy Burns)
Newsgroups: comp.misc
Subject: Re: Network is unreachable - VM
Date: Fri, 27 Jan 2023 19:02:58 +0000
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 by: Andy Burns - Fri, 27 Jan 2023 19:02 UTC

Adrian wrote:

> Why doesn't it check with the router for local names ?

Because not all routers provide local DNS

Re: Network is unreachable - VM

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From: mo0...@posteo.de (Marco Moock)
Newsgroups: comp.misc
Subject: Re: Network is unreachable - VM
Date: Fri, 27 Jan 2023 20:09:29 +0100
Organization: A noiseless patient Spider
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 by: Marco Moock - Fri, 27 Jan 2023 19:09 UTC

Am 27.01.2023 um 15:54:08 Uhr schrieb Adrian:

> That appears to be going straight out to the Internet to do a lookup,
> so it is hardly surprising that I can't get a result. Why doesn't it
> check with the router for local names ?

Check nsswitch.conf.
mdns must be present here for hosts.

See here for examples:
https://atwillys.de/content/linux/mdns-on-debian-ubuntu-installation/

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From: bull...@ku.gro.lioff (Adrian)
Newsgroups: comp.misc
Subject: Re: Network is unreachable - VM
Date: Fri, 27 Jan 2023 23:33:14 +0000
Organization: Occasionally
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 by: Adrian - Fri, 27 Jan 2023 23:33 UTC

In message <k3ilf5Fqp8uU1@mid.individual.net>, Andy Burns
<usenet@andyburns.uk> writes
>Adrian wrote:
>
>> Why doesn't it check with the router for local names ?
>
>Because not all routers provide local DNS

Except, I'm running CentOS under two different VM set ups, OpenBox and
VMware. With the VMWare machine, it works, with the OpenBox it doesn't.
And all three work fine for everything else (various RPis, a Win10 box
and a Ubuntu box).

Perhaps wrongly, I'm thinking that there is some odd feature with the VM
software / router combination (it all works fine with two other
routers).

Adrian
--
To Reply :
replace "bulleid" with "adrian" - all mail to bulleid is rejected
Sorry for the rigmarole, If I want spam, I'll go to the shops
Every time someone says "I don't believe in trolls", another one dies.

Re: Network is unreachable - VM

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From: bull...@ku.gro.lioff (Adrian)
Newsgroups: comp.misc
Subject: Re: Network is unreachable - VM
Date: Fri, 27 Jan 2023 23:50:41 +0000
Organization: Occasionally
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 by: Adrian - Fri, 27 Jan 2023 23:50 UTC

In message <tr17h9$1q8qg$1@dont-email.me>, Marco Moock <mo01@posteo.de>
writes
>Am 27.01.2023 um 15:54:08 Uhr schrieb Adrian:
>
>> That appears to be going straight out to the Internet to do a lookup,
>> so it is hardly surprising that I can't get a result. Why doesn't it
>> check with the router for local names ?
>
>Check nsswitch.conf.
>mdns must be present here for hosts.
>
>See here for examples:
>https://atwillys.de/content/linux/mdns-on-debian-ubuntu-installation/
>

I've altered the nsswitch.conf file as referenced on that page,
restarted the avahi daemon, and that has made matters worse :

$ ping -c 1 ffoilpi1.local
ping: ffoilpi1.local: System error

Prior to making that change, I compared the nsswitch.conf files on both
my CentOS VMs. They both had the same entry :
$ grep -i dns /etc/nsswitch.conf
hosts: files dns myhostname

One works fine (seemingly without mdns), the other one doesn't.

Adrian
--
To Reply :
replace "bulleid" with "adrian" - all mail to bulleid is rejected
Sorry for the rigmarole, If I want spam, I'll go to the shops
Every time someone says "I don't believe in trolls", another one dies.

Re: Network is unreachable - VM

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From: mo0...@posteo.de (Marco Moock)
Newsgroups: comp.misc
Subject: Re: Network is unreachable - VM
Date: Sat, 28 Jan 2023 10:51:11 +0100
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 by: Marco Moock - Sat, 28 Jan 2023 09:51 UTC

Am 27.01.2023 um 23:50:41 Uhr schrieb Adrian:

> hosts: files dns myhostname

No mdns

> One works fine (seemingly without mdns), the other one doesn't.

Does it query via mDNS?

Re: Network is unreachable - VM

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From: bull...@ku.gro.lioff (Adrian)
Newsgroups: comp.misc
Subject: Re: Network is unreachable - VM
Date: Sat, 28 Jan 2023 13:49:29 +0000
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 by: Adrian - Sat, 28 Jan 2023 13:49 UTC

In message <tr2r6f$25kfe$5@dont-email.me>, Marco Moock <mo01@posteo.de>
writes
>Am 27.01.2023 um 23:50:41 Uhr schrieb Adrian:

>> One works fine (seemingly without mdns), the other one doesn't.
>
>Does it query via mDNS?
>

With the "working" VM, Not so far as I can tell. Unfortunately, when I
try to run tshark, I get :

Capturing on 'nflog'

and I've not been able to work out how I can see the output, so I'm
unable to see what it is doing. Whereas on the "non-working" VM tshark
gives me output (as posted up thread).

Adrian
--
To Reply :
replace "bulleid" with "adrian" - all mail to bulleid is rejected
Sorry for the rigmarole, If I want spam, I'll go to the shops
Every time someone says "I don't believe in trolls", another one dies.

Re: Network is unreachable - VM

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From: mo0...@posteo.de (Marco Moock)
Newsgroups: comp.misc
Subject: Re: Network is unreachable - VM
Date: Sat, 28 Jan 2023 15:23:57 +0100
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 by: Marco Moock - Sat, 28 Jan 2023 14:23 UTC

Am 28.01.2023 um 13:49:29 Uhr schrieb Adrian:

> and I've not been able to work out how I can see the output, so I'm
> unable to see what it is doing. Whereas on the "non-working" VM
> tshark gives me output (as posted up thread).

Do you have any filters on tshark?

Re: Network is unreachable - VM

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From: bull...@ku.gro.lioff (Adrian)
Newsgroups: comp.misc
Subject: Re: Network is unreachable - VM
Date: Sat, 28 Jan 2023 15:09:53 +0000
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 by: Adrian - Sat, 28 Jan 2023 15:09 UTC

In message <tr3b5t$26rmk$6@dont-email.me>, Marco Moock <mo01@posteo.de>
writes
>Am 28.01.2023 um 13:49:29 Uhr schrieb Adrian:
>
>> and I've not been able to work out how I can see the output, so I'm
>> unable to see what it is doing. Whereas on the "non-working" VM
>> tshark gives me output (as posted up thread).
>
>Do you have any filters on tshark?
>

Not knowingly. On VMs, I run :

$ tshark > ts.txt &
$ <command>
$ kill %1

One gives me answers, the other an unhelpful message.

Adrian
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