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Why does my computer keep disappearing from the local network?



 
 
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  #46  
Old July 17th 19, 10:54 PM posted to alt.comp.os.windows-10
Paul[_32_]
external usenet poster
 
Posts: 11,873
Default Why does my computer [...] (Paul's network)

Carlos E.R. wrote:
On 17/07/2019 20.46, nospam wrote:
In article , Carlos E.R.
wrote:

all home routers come with 4 ports, right? No, they come with two.
Those four ports are in a switch that comes integrated with the router.
They are not 4 router ports.
usually the switch hardware allows putting those 4 ports on different
VLANs, unfortunately the firmware almost never supports that, unless you
replace it with openWRT etc
I did that flashing once. It worked terrible. Home routers have scarce
resources, such as little memory. The web page in the router I flashed
crashes when trying to configure some parts of the router, or takes half
an hour to refresh. Yes, that slow. So many features are not accessible
for configuration unless on text mode.

that doesn't mean all routers will result in the same experience.

the routers i've used openwrt on do not have any refresh delays or
crashes.

Other routers that came my way, the openwrt pages say that they are very
difficult to flash.

some are and some aren't, and openwrt isn't the only option either.

So I do not think I'll flash any router again... Impractical.

your loss.


Their loss.

It will not work unless I specifically buy a router with openWRT in
mind. And "soldering" is not an option I accept (and yes, I'm quite
competent at soldering). Yes, I am aware that the features offered and
the improved security is good to have. Such is life, we can not have
everything.


But you could shop for routers that have decent
RAM and ROM, knowing these attributes could make
repurposing of the device easier.

At least a couple of models that shipped, did so
with the feature set specifically defined to make
OpenWRT ot ddWRT installation easier. The manufacturer
thought they could sell more units, if they had
decent RAM and ROM. I don't think they do that
any more though.

Paul
Ads
  #47  
Old July 18th 19, 12:55 AM posted to alt.comp.os.windows-10
Carlos E.R.[_3_]
external usenet poster
 
Posts: 1,356
Default Why does my computer [...] (Paul's network)

On 17/07/2019 23.54, Paul wrote:
Carlos E.R. wrote:
On 17/07/2019 20.46, nospam wrote:
In article , Carlos E.R.
wrote:

all home routers come with 4 ports, right? No, they come with two.
Those four ports are in a switch that comes integrated with the
router.
They are not 4 router ports.
usually the switch hardware allows putting those 4 ports on different
VLANs, unfortunately the firmware almost never supports that,
unless you
replace it with openWRT etc
I did that flashing once. It worked terrible. Home routers have scarce
resources, such as little memory. The web page in the router I flashed
crashes when trying to configure some parts of the router, or takes
half
an hour to refresh. Yes, that slow. So many features are not accessible
for configuration unless on text mode.
that doesn't mean all routers will result in the same experience.

the routers i've used openwrt on do not have any refresh delays or
crashes.

Other routers that came my way, the openwrt pages say that they are
very
difficult to flash.
some are and some aren't, and openwrt isn't the only option either.

So I do not think I'll flash any router again... Impractical.
your loss.


Their loss.

It will not work unless I specifically buy a router with openWRT in
mind. And "soldering" is not an option I accept (and yes, I'm quite
competent at soldering). Yes, I am aware that the features offered and
the improved security is good to have. Such is life, we can not have
everything.


But you could shop for routers that have decent
RAM and ROM, knowing these attributes could make
repurposing of the device easier.


Absolutely.

But you see, when one thinks of flashing a router, it is because it
doesn't do its job already. Probably a bad router from the start. One
doesn't usually flash a good router.

Or an ISP router.


At least a couple of models that shipped, did so
with the feature set specifically defined to make
OpenWRT ot ddWRT installation easier. The manufacturer
thought they could sell more units, if they had
decent RAM and ROM. I don't think they do that
any more though.


Pity.

Doesn't anybody sell new routers with openwrt firmware out of the shop?


--
Cheers, Carlos.
  #48  
Old July 18th 19, 01:43 AM posted to alt.comp.os.windows-10
Eric Stevens
external usenet poster
 
Posts: 911
Default Why does my computer keep disappearing from the local network?

On Wed, 17 Jul 2019 02:29:15 -0400, ...w¡ñ§±¤ñ
wrote:

Eric Stevens wrote:
On Tue, 16 Jul 2019 19:56:08 -0400, "...winston"
wrote:

"Eric Stevens" wrote in message
...

I have two computers, 'Corsair' and 'Dell' on an ethernet network
sharing two printers modem. Both computers are running Windows 10 Pro.
Both printers have Internet connections. Corsai has always been a
pain in the plectrum and one of its habits is to keep disappearing
from the network.

It may help to have some commonality across both devices.

Windows 10 (both devices)


Window 10 Pro 1903, both devices.

- Ensure you have a common Windows logon username/password profile on each
device(same name, same password)


I believe I do but my the next question in my series if I ever get
there is why Corsair has from time to time rejected any attempt of
mine to access shared folders and tells me I am not authorised.
Meantime Dell is happy to accept me. But lets not get into that for
the timebeing.

- Do not configure either device to auto logon


Nope.

- Ensure sharing is configured(since you can connect, it most likely it is)
with folders(shared on each device)


Already done.

- Ensure each device is configured for the same work group


There is a problem in that area. Smetimes they are the same. Sometimes
they are not. At the moment they are not.


Both now belonging to the same workgroup.

- Different Computer name on each device(if you've configured both with the
same name, change one)


Corsair and Dell, as per this thread.

= Remember the ComputerName for each device(you'll need it later)
e.g. One Computername Corsair, the other Computername Dell. For
networking purposes when a need to enter the computer name it would be
entered as \\Corsair and \\Dell (remember this, it might come in handy)

Done that previously.

Services(set all below to automatic, IWin10 may reset one of more of the
first two items to Auto(Triggered), if so reset it to Automatic. All these
services started


Comments below relate to Corsair.


Both have now been brought into line.

- Function Discovery Provider Host

Running, manual

Now Auto.

- Function Discovery Resource Publication

Running, Manual(triggered)

Now shows Automatic in Properties but persists in Automatic(triggered)
in Services menu.

- SSDP Discovery

Not running, manual


Now running, Auto

- UnPnP Device Host

Not running, Manual


Now running, Auto

Windows Features and Programs
- SMB 1.0/CIFS File Sharing Support
Uncheck(if present) SMB 1.0/CIFS Automatic Removal
Check SMB 1.0/CIFS Client and SMB 1.0/CIFS Server
= The first(auto removal) is design intent, the latter two not
enabled -all due to security risk.
If willing to ignore the risk, since these features may need to be enabled
disable and enable as noted


SMB1 is now enabled and autoremoval disabled.

https://wdc.custhelp.com/app/answers...-on-windows-10
"SMB 1.0/CIFS File Sharing Support has been disabled on Windows 10
Windows 10 Fall Creators Update version 1709 and higher."

Windows Credentials
On each device create a Windows Credential for the each ComputerName using
the common username/password(suggesting at the beginning of this post, 1st
item under 'Window 10(both devices)'
e.g. If the common Windows Logon is Cameo(username) and password then create
a credential for that \\ComputerName Enter the \\Computername in the
Network field then enter the username Cameo and password in the dialog
creation box. Repeat this process on both machines until you have 2 Windows
Credentials created on each device(one for each \\ComputerName and both with
same username/pw)


I have done this in the past but Corsair has just had W10 1903
reinstalled and I haven't got that far as yet.

Win10 can still be persnickety about connecting due to device other device
not on, sleeping, hibernating, wifi power management turning off wifi.


At the moment both Corsair and Dell are permanently awake.

For the most part, the devices will be accessible on each device and appear
in File Explorer/Network...if not shown in File Explorer under Network, just
enter the \\Computername in the File Explorer address field to access and
populate the shared folders in File Explorer's Navigation and Display pane.

It hasn't worked in the past. I will try it shortly.


It's needed now (see below) and it works from Dell looking towards
Corsair.

Workgroup name

- you set the Workgroup name for each device. Once set it remains
constant. Set it the same on each device. Thereafter Windows just reads
what you've set.
Settings/System/About/System Info/Change Settings/Change/enter the
same workgroup name on each device
- the default name is Workgroup(change it to something you like or
leave as is but ensure it is the same on both devices. It doesn't change
once set.


Both set to same workgroup.

Services - see previous response(set them all to automatic) and
identical on both devices


Done, as above.

SMB 1.0/CIFS disabled on 1709 and higher
- ignore it, configure as previously notified. If not present add the
feature via Windows Features.
- as of 1803 SMB1 was no longer auto disabled - add the feature and
restart the computer.
- If you wish to see the devices in File Explorer/Network its necessary
because the Computer Browser service relies on SMB1.
https://www.tenforums.com/tutorials/107605-enable-disable-smb1-file-sharing-protocol-windows.html#option3

\\ComputerName entry in File Explorer Address bar(didn't work in the past)
- configure the devices as previously suggested, then you can 'try it'

...and to restart the device after making major changes like the above.


Done

Windows Credentials
- when you get around to it, do so


Done. While the data is the same the menu display on Dell is more
extensive than on Corsair. We may have to come back to this later.

Common username and pw(i.e. Windows logon) on each device
- if you believe you do, verify
- the common username/pw on each device can be a Local account or a
Microsoft account(I prefer a Local and one configured as an Admin account)
- If you wish to access other machines on the network it might be a
good idea to ensure the common account is an Admin account.


Only have two machines and am presently using MS account.

Network
- ensure you network is configured in Windows as Private Network(both
both Lan[Ethernet] and Wifi) - Settings/Network and Internet/Change
Connection Properties (or in the same location, click Ethernet and/or
Wifi, click on the connection and set to Private)
- Private Network:
Ensure Network Discovery is enabled and auto setup checked
Ensure File and Printer sharing is enabled
- Guest of Public
The only option that should be checked is 'Turn on File/Printer
sharing'
- All Networks
Enable Public Folder sharing/Turn on sharing
Enable 128-bit encryption
Enable password protected sharing


That's how they always have been set.

The current situation is:

1. When I updated to 1903 both computers were switched to login
authentication by pin rathere than password. After these various
changes they have both gone back to password (which I prefer). After
1903 Dell developed a strong reluctance to acknowledge the keyboard
for password. That was fixed by a short update a few days later. Now
it's gone back to being difficult. All this is irrelevant to the
present problem but I am telling you FYI.

2. Corsair can now see itself and continues to communicate with Dell.
It can see both printers although it thinks my old Oki is a computer.
It no longer shows the Google dongle on the TV set or adjacent
cellphones.

3. Dell does not show Corsair in the network explorer window. If I ask
for \\Corsair it does pop up complete with shared folders.

4. As previously, Corsair rejects "... you do not have authority ...,
any attempt to access shared folders from Dell. I have long thought
that this is something to do with usernames and credentials but I want
to get the networking sorted out first.

Ain't Windows wunnerful (and many thanks for your help so far).
--
...w¡ñ§±¤ñ
msft mvp 2007-2019





Regards,


Eric Stevens
  #49  
Old July 18th 19, 01:53 AM posted to alt.comp.os.windows-10
nospam
external usenet poster
 
Posts: 4,718
Default Why does my computer [...] (Paul's network)

In article , Carlos E.R.
wrote:

Doesn't anybody sell new routers with openwrt firmware out of the shop?


some do, and for most routers on the supported list, it's very easy to
install, without any need to solder anything.
  #50  
Old July 18th 19, 02:34 AM posted to alt.comp.os.windows-10
Carlos E.R.[_3_]
external usenet poster
 
Posts: 1,356
Default Why does my computer [...] (Paul's network)

On 18/07/2019 02.53, nospam wrote:
In article , Carlos E.R.
wrote:

Doesn't anybody sell new routers with openwrt firmware out of the shop?


some do,


Who? What brand sells with openwrt already installed?

and for most routers on the supported list, it's very easy to
install, without any need to solder anything.



--
Cheers, Carlos.
  #51  
Old July 18th 19, 03:11 AM posted to alt.comp.os.windows-10
nospam
external usenet poster
 
Posts: 4,718
Default Why does my computer [...] (Paul's network)

In article , Carlos E.R.
wrote:

Doesn't anybody sell new routers with openwrt firmware out of the shop?


some do,


Who? What brand sells with openwrt already installed?


https://www.gl-inet.com

https://chaneve.aliexpress.com/store...outer/1495770_
502387049.html

https://www.kuwfi.shop/product/KuWFi...al-Enterprise-
CPE-Router-External-antenna-Router-Extender-strong-signal-OpenWRT-Car-WI
FI-Router-with-USB-Port-SIM-Card-Slot-with-4pcs-5dbi-antenna-2163.html

https://www.aliexpress.com/item/DIY-...AN-300Mbps-Wi-
Fi-Wireless-Router-WiFi-Repeater-Roteador-Support-USB-3G/32272246018.htm
l


it's also not difficult to install.
  #52  
Old July 18th 19, 05:00 AM posted to alt.comp.os.windows-10
Eric Stevens
external usenet poster
 
Posts: 911
Default Why does my computer keep disappearing from the local network?

On Wed, 17 Jul 2019 13:44:29 -0400, Paul
wrote:

Eric Stevens wrote:
On Tue, 16 Jul 2019 22:59:25 -0400, Paul
wrote:

Eric Stevens wrote:
On Tue, 16 Jul 2019 14:02:00 -0400, nospam
wrote:

because he has more hardwired devices than available ports on the
router, or he wants to run one cable to another room which has multiple
devices, rather than run multiple cables to each device.
That's the explanation. Two computers and two printers upstairs.
Router/modem at the fibre termination downstairs.
So how is our network diagram now, for accuracy.

Are we missing anything in the diagram ?

Nope. With a bit more information it's still:



Corsair Dell Oki Epson
| | Print Print
| | | |
[=======Switch Netgear GS105.===========]
|
[NetComm NF4V Router/Modem]
|
Internet


I wonder who they wrote the user manual for, on the NF4V ?

https://support.netcommwireless.com/...User-Guide.pdf

The manual is written as if IPV4 doesn't even exist.

That's an Australian manual and appears to be the same as mine.

A Ctrl-f turns up "IPV4" in several places.
  #53  
Old July 18th 19, 05:42 AM posted to alt.comp.os.windows-10
Paul[_32_]
external usenet poster
 
Posts: 11,873
Default Why does my computer keep disappearing from the local network?

Eric Stevens wrote:
On Wed, 17 Jul 2019 13:44:29 -0400, Paul
wrote:

Eric Stevens wrote:
On Tue, 16 Jul 2019 22:59:25 -0400, Paul
wrote:

Eric Stevens wrote:
On Tue, 16 Jul 2019 14:02:00 -0400, nospam
wrote:

because he has more hardwired devices than available ports on the
router, or he wants to run one cable to another room which has multiple
devices, rather than run multiple cables to each device.
That's the explanation. Two computers and two printers upstairs.
Router/modem at the fibre termination downstairs.
So how is our network diagram now, for accuracy.

Are we missing anything in the diagram ?

Nope. With a bit more information it's still:



Corsair Dell Oki Epson
| | Print Print
| | | |
[=======Switch Netgear GS105.===========]
|
[NetComm NF4V Router/Modem]
|
Internet

I wonder who they wrote the user manual for, on the NF4V ?

https://support.netcommwireless.com/...User-Guide.pdf

The manual is written as if IPV4 doesn't even exist.

That's an Australian manual and appears to be the same as mine.

A Ctrl-f turns up "IPV4" in several places.


Why is there only a DHCPv6 and no setting for
DHCP for IPV4 ?

Sure, it does have a status for something V4 related,
but that's not a lot of good if you can't compare
that information to what you originally set
for the range.

Now, I've seen some pretty strange manuals, and the
strange stuff happens when the document author
"tries to use the fewest bytes possible to make a PDF".

I've seen pictures of router web interfaces, where
the resolution was dropped to the point the picture
was completely illegible. Picture after picture
after picture, just a blur. And you just know
the dude who did that got an "attaboy" from the
boss for making the manual as small as possible.

Paul
  #54  
Old July 18th 19, 07:40 AM posted to alt.comp.os.windows-10
Eric Stevens
external usenet poster
 
Posts: 911
Default Why does my computer keep disappearing from the local network?

On Thu, 18 Jul 2019 00:42:57 -0400, Paul
wrote:

Eric Stevens wrote:
On Wed, 17 Jul 2019 13:44:29 -0400, Paul
wrote:

Eric Stevens wrote:
On Tue, 16 Jul 2019 22:59:25 -0400, Paul
wrote:

Eric Stevens wrote:
On Tue, 16 Jul 2019 14:02:00 -0400, nospam
wrote:

because he has more hardwired devices than available ports on the
router, or he wants to run one cable to another room which has multiple
devices, rather than run multiple cables to each device.
That's the explanation. Two computers and two printers upstairs.
Router/modem at the fibre termination downstairs.
So how is our network diagram now, for accuracy.

Are we missing anything in the diagram ?

Nope. With a bit more information it's still:



Corsair Dell Oki Epson
| | Print Print
| | | |
[=======Switch Netgear GS105.===========]
|
[NetComm NF4V Router/Modem]
|
Internet
I wonder who they wrote the user manual for, on the NF4V ?

https://support.netcommwireless.com/...User-Guide.pdf

The manual is written as if IPV4 doesn't even exist.

That's an Australian manual and appears to be the same as mine.

A Ctrl-f turns up "IPV4" in several places.


Why is there only a DHCPv6 and no setting for
DHCP for IPV4 ?


The modem was supplied by my ISP configured to suit their end of the
system. I will telephone their help desk in the morning (it's now
evening here) and ask them what I can do about it. This is the manual,
if it is the same as mine, which gave me the wrong address for logging
into the router.

Sure, it does have a status for something V4 related,
but that's not a lot of good if you can't compare
that information to what you originally set
for the range.




Now, I've seen some pretty strange manuals, and the
strange stuff happens when the document author
"tries to use the fewest bytes possible to make a PDF".

I've seen pictures of router web interfaces, where
the resolution was dropped to the point the picture
was completely illegible. Picture after picture
after picture, just a blur. And you just know
the dude who did that got an "attaboy" from the
boss for making the manual as small as possible.

Paul

  #55  
Old July 18th 19, 02:39 PM posted to alt.comp.os.windows-10
Mark Lloyd[_2_]
external usenet poster
 
Posts: 1,756
Default Why does my computer [...] (Paul's network)

On 7/17/19 11:59 AM, nospam wrote:
In article , Carlos E.R.
wrote:

Wait, all home routers come with 4 ports, right? No, they come with two.


most have four lan & one wan.
some have less and some have more.

Those four ports are in a switch that comes integrated with the router.
They are not 4 router ports.


that depends on the router and how it's configured.

That said, there are tricks.


no tricks needed.


The WiFi radio(s) are actually separate router ports, so the router does
have 3 (or 4) ports.

--
Mark Lloyd
http://notstupid.us/

"The Bible is a wonderful source of inspiration for those who don't
understand it." George Santayana (1863-1952) U.S. philosopher, writer,
professor]
  #56  
Old July 18th 19, 02:58 PM posted to alt.comp.os.windows-10
Carlos E.R.[_3_]
external usenet poster
 
Posts: 1,356
Default Why does my computer [...] (Paul's network)

On 18/07/2019 04.11, nospam wrote:
In article , Carlos E.R.
wrote:

Doesn't anybody sell new routers with openwrt firmware out of the shop?

some do,


Who? What brand sells with openwrt already installed?


https://www.gl-inet.com


«GL.iNet is a leading developer of reliable networking devices. We offer
a great selection of WiFi routers featured pre-installed OpenWrt and
powered by cutting-edge technology to offer our customers an
unparalleled level of network security and optimized network control. We
partnered with like-minded companies around the globe to provide
products of exceptional quality and support services. Our vision is to
build a smarter lifestyle with our products.»

Ok, that's one. Amazon sells it here, but not "shops".


https://chaneve.aliexpress.com/store...outer/1495770_
502387049.html


Never heard that name... Unfortunately, I don't like Aliexpress.


https://www.kuwfi.shop/product/KuWFi...al-Enterprise-
CPE-Router-External-antenna-Router-Extender-strong-signal-OpenWRT-Car-WI
FI-Router-with-USB-Port-SIM-Card-Slot-with-4pcs-5dbi-antenna-2163.html


Main Features:
QCA9531 chipset support Openwrt version (Build in)

Amazon sells some.



I'm not sure if "support Openwrt" means it already comes with it
installed. I have been bitten before with the wording "supports".



https://www.aliexpress.com/item/DIY-...AN-300Mbps-Wi-
Fi-Wireless-Router-WiFi-Repeater-Roteador-Support-USB-3G/32272246018.htm
l


Chinese...



it's also not difficult to install.




They are all unknown brands. But yes, there are some makes that include
openWRT or facilitate it. That's something.



--
Cheers, Carlos.
  #57  
Old July 18th 19, 03:01 PM posted to alt.comp.os.windows-10
Carlos E.R.[_3_]
external usenet poster
 
Posts: 1,356
Default Why does my computer [...] (Paul's network)

On 18/07/2019 15.39, Mark Lloyd wrote:
On 7/17/19 11:59 AM, nospam wrote:
In article , Carlos E.R.
wrote:

Wait, all home routers come with 4 ports, right? No, they come with two.


most have four lan & one wan.
some have less and some have more.

Those four ports are in a switch that comes integrated with the router.
They are not 4 router ports.


that depends on the router and how it's configured.

That said, there are tricks.


no tricks needed.


The WiFi radio(s) are actually separate router ports, so the router does
have 3 (or 4) ports.


Well, yes. But the firmware puts it transparently on the same network as
the ethernet, we can not set it on a different IP range. Of course, that
is what most people want.

Maybe installing alternative firmware would allow it.

--
Cheers, Carlos.
  #58  
Old July 18th 19, 03:31 PM posted to alt.comp.os.windows-10
nospam
external usenet poster
 
Posts: 4,718
Default Why does my computer [...] (Paul's network)

In article , Carlos E.R.
wrote:

Doesn't anybody sell new routers with openwrt firmware out of the shop?

some do,

Who? What brand sells with openwrt already installed?


https://www.gl-inet.com


«GL.iNet is a leading developer of reliable networking devices. We offer
a great selection of WiFi routers featured pre-installed OpenWrt and
powered by cutting-edge technology to offer our customers an
unparalleled level of network security and optimized network control. We
partnered with like-minded companies around the globe to provide
products of exceptional quality and support services. Our vision is to
build a smarter lifestyle with our products.»

Ok, that's one. Amazon sells it here, but not "shops".


gl-inet sells direct too.

i have several gl-inet routers. they're very good and very cheap.

openwrt is preinstalled, along with their own much easier to use ui on
top. openwrt is still there underneath and can be used either via luci
or the command line (or both) if desired.

it also includes vpn support (both openvpn and wireguard), making it an
excellent travel router, and some models have a micro-sd slot, which
can be used as a portable file server, also useful while traveling.

optionally, a 'clean' openwrt-only version without their customizations
can be installed (although there's no advantage in doing so).




They are all unknown brands. But yes, there are some makes that include
openWRT or facilitate it. That's something.


they're not unknown, they're just not mainstream brands.

gl-inet is quite popular. in fact, they sold out of several models just
before the chinese new year, and it took several weeks until they were
available again.
  #59  
Old July 18th 19, 05:28 PM posted to alt.comp.os.windows-10
...w¡ñ§±¤ñ
external usenet poster
 
Posts: 79
Default Why does my computer keep disappearing from the local network?

Eric Stevens wrote:

The current situation is:

1. When I updated to 1903 both computers were switched to login
authentication by pin rathere than password. After these various
changes they have both gone back to password (which I prefer). After
1903 Dell developed a strong reluctance to acknowledge the keyboard
for password. That was fixed by a short update a few days later. Now
it's gone back to being difficult. All this is irrelevant to the
present problem but I am telling you FYI.

Windows 10 does provide the ability to disable 'Pin' logon
authentication. Once done the default prompt will be for the 'Password'

2. Corsair can now see itself and continues to communicate with Dell.
It can see both printers although it thinks my old Oki is a computer.
It no longer shows the Google dongle on the TV set or adjacent
cellphones.

Sometimes removing the device, shutdown, restart will resolve a device
being as a diffferent hardware(e.g. printer as pc, keyboard as usb
drive, etc.)

3. Dell does not show Corsair in the network explorer window. If I ask
for \\Corsair it does pop up complete with shared folders.

That's better than having to flush and reset dns in a command prompt,
which for the most part isn't a real solution in this case.

It could also be related to timing relative to device handshaking to
connect with each other. Networking on Windows was never perfect and
with Win10 it can be even more a pita.

4. As previously, Corsair rejects "... you do not have authority ...,
any attempt to access shared folders from Dell. I have long thought
that this is something to do with usernames and credentials but I want
to get the networking sorted out first.

It could be authentication related....that message in most cases is
generic for a multiple items.
If the device is seeing the other device in File Explorer(Network
listing[left hand folder Navigation pane] or in File Explorer main
display pane(center window between Navigation and Preview Pane) then
that message is almost always related to the file sharing configuration
and/or permission or network private and/or all network setting)

--
....w¡ñ§±¤ñ
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  #60  
Old July 18th 19, 07:16 PM posted to alt.comp.os.windows-10
Char Jackson
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Posts: 10,449
Default Why does my computer [...] (Paul's network)

On Thu, 18 Jul 2019 08:39:47 -0500, Mark Lloyd wrote:

On 7/17/19 11:59 AM, nospam wrote:
In article , Carlos E.R.
wrote:

Wait, all home routers come with 4 ports, right? No, they come with two.


most have four lan & one wan.
some have less and some have more.

Those four ports are in a switch that comes integrated with the router.
They are not 4 router ports.


that depends on the router and how it's configured.

That said, there are tricks.


no tricks needed.


The WiFi radio(s) are actually separate router ports, so the router does
have 3 (or 4) ports.


I haven't seen a design like that, and indeed, it doesn't make much
sense. Instead, the radio(s) are typically bridged to the Ethernet
switch, sometimes using VLAN tagging to support 'client isolation', and
then that whole mess gets bridged to the router. The actual router is
usually (I haven't seen any exceptions) a single port design, with WAN
and LAN traffic separated (again) by VLAN tags. Maybe this is too far
into the weeds to be useful, though. Physically, almost everything is
packed into a single (Broadcom, for example) chip.

 




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