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Why does my computer keep disappearing from the local network?



 
 
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  #1  
Old July 14th 19, 04:19 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?

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.

Right now, when I check the network, there is no sign of it but some
times it shows up as a media device. This is the situation when I
check from either Corsair or Dell. I can easily bring it out of
hiding. All I have to do is reset the network from Corsair. But one or
two days later it has gone again.

I've now spent nearly two years struggling with this machine and as
far as I can tell both Corsair and Dell use the same settings. But
Dell behaves itself and Corsair continues to be a pig.

I have no idea of what setting is changing and no idea of where I
should be looking. Has anyone got any suggestions about what I should
be looking for?
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  #2  
Old July 14th 19, 10:31 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:
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.

Right now, when I check the network, there is no sign of it but some
times it shows up as a media device. This is the situation when I
check from either Corsair or Dell. I can easily bring it out of
hiding. All I have to do is reset the network from Corsair. But one or
two days later it has gone again.

I've now spent nearly two years struggling with this machine and as
far as I can tell both Corsair and Dell use the same settings. But
Dell behaves itself and Corsair continues to be a pig.

I have no idea of what setting is changing and no idea of where I
should be looking. Has anyone got any suggestions about what I should
be looking for?


I don't think you're going to fix it all that easily.

You can find articles like this:

https://www.thewindowsclub.com/netwo...-in-windows-10

netsh winsock reset

netsh int ip reset

(try enabling SMBV1 makes sense only if a WinXP machine is involved)

Function Discovery Resource Publication service
(likely similar to Bonjour or SSDP, another kind of nameserver)

On a non-domain (home user) setup, the computers hold
"Network Browser election" every 15 minutes or so. You
may as a consequence, see some funny stuff on multiples
of 15 minute (election) intervals. In Wireshark, you
can see election packets being exchanged. The purpose
of elections, is so on a non-domain LAN, one machine
is the Master and keeps the List.

You'll also notice, for a "real" LAN where something
stays running on the LAN all the time, that there
is "persistence" on detected names. A machine
that might only have been connected for one session,
you keep seeing its name in the Network Neighborhood.
The nameserving function, the winner keeps a record
of machines, and as long as there is one Browse Master
available on your LAN, it can be remembering stuff.

Now, out of all that guff, why would a machine disappear ?

Dunno.

The thing is, the Browse Master has its machine list,
and for some reason, has decided Corsair is no longer
responding, and hasn't been responding long enough,
to be removed from the list. I'm not even certain
it has any process to prune the list! It's that creaky.

Any time you boot or reset a machine, it will attempt
to contact the Browse Master and be added to the list.
So that's why it might recover. The trick would be,
to figure out how the Browse Master is losing contact
with that machine. While at the same time, *both*
machines make nominal responses to "elections".
The purpose of election, is so that only one
Browse Master exists, and the interval is such
that if the Browse Master is turned off, the
remaining machines elect a new Master.

Do these machines have multiple networks ?

Do you have a wired router connection, as well
as wireless that both machines participate in ?

I'm just trying to think of complicating factors
that other people might not have.

The legacy protocol (not the FDRP one) is pretty
simple, and likely written up somewhere. And you
can also see parts of it with Wireshark, like
if you wanted to keep a log of what was going on.
Not that I've ever tried to debug a problem like
a disappearing machine, with Wireshark. That would
take a hell of a long trace.

This tool will scan a subnet for machines.
And you could scan from Dell, and see if Corsair
is "visible" in a scan. I don't think this
just queries the Master, and this visits every
node you specify.

http://www.unixwiz.net/tools/nbtscan.html

nbtscan.exe 192.168.2.0/24

It will tell you what WORKGROUP each machine is
in, and can see machines in different workgroups.

Paul
  #3  
Old July 14th 19, 01:14 PM posted to alt.comp.os.windows-10
Carlos E.R.[_3_]
external usenet poster
 
Posts: 1,356
Default Why does my computer keep disappearing from the local network?

On 14/07/2019 05.19, Eric Stevens wrote:
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.

Right now, when I check the network, there is no sign of it but some
times it shows up as a media device. This is the situation when I
check from either Corsair or Dell. I can easily bring it out of
hiding. All I have to do is reset the network from Corsair. But one or
two days later it has gone again.

I've now spent nearly two years struggling with this machine and as
far as I can tell both Corsair and Dell use the same settings. But
Dell behaves itself and Corsair continues to be a pig.

I have no idea of what setting is changing and no idea of where I
should be looking. Has anyone got any suggestions about what I should
be looking for?



You should find out first if the machine is really disconnected from the
network, or is its name not showing. For example, does it respond to
pings - by IP address, not name?

If you try open a resource on it, does it work? Or if one was opened
before (say, shared folder), does it keep working?

The problem is different one way or the other.

--
Cheers, Carlos.
  #4  
Old July 16th 19, 04:39 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 Sun, 14 Jul 2019 14:14:00 +0200, "Carlos E.R."
wrote:

On 14/07/2019 05.19, Eric Stevens wrote:
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.

Right now, when I check the network, there is no sign of it but some
times it shows up as a media device. This is the situation when I
check from either Corsair or Dell. I can easily bring it out of
hiding. All I have to do is reset the network from Corsair. But one or
two days later it has gone again.

I've now spent nearly two years struggling with this machine and as
far as I can tell both Corsair and Dell use the same settings. But
Dell behaves itself and Corsair continues to be a pig.

I have no idea of what setting is changing and no idea of where I
should be looking. Has anyone got any suggestions about what I should
be looking for?



You should find out first if the machine is really disconnected from the
network, or is its name not showing. For example, does it respond to
pings - by IP address, not name?

Corsair IPV4 169.254.1.22
Dell IPV4 192.168.1.1

Corsair ping Dell 32bytes 1ms TTL=64

Dell ping Corsair Request timed out
4 packest sent 0 received Lost 4

Corsair ping Corsair Destination host unreachable
4 packest sent 0 received Lost 4

Yet Corsair happily prints to (normally) either of the printers on the
network. It still prints to the Oki (see below).


Corsair Dell Oki Epson
| | Print Print|
| | | |
[=============Switch================]
|
[Modem]
|
Internet

If you try open a resource on it, does it work? Or if one was opened
before (say, shared folder), does it keep working?


At the moment Corsair can see Dell and its shared files and folders.
It can see the Oki printer, but not the Epson (It seems Epson
currently has the wrong driver. I must fix that). It also sees the
Google Dongle in the living room and somebody's cell phone.

The problem is different one way or the other.

  #5  
Old July 16th 19, 05:07 AM posted to alt.comp.os.windows-10
😉 Good Guy 😉
external usenet poster
 
Posts: 1,483
Default Why does my computer keep disappearing from the local network?

On 16/07/2019 04:39, Eric Stevens wrote:

Corsair IPV4 169.254.1.22
Dell IPV4 192.168.1.1



Is your router setup to provide IP addresses dynamically? I suspect it
is not setup correctly because if Corsair is on 169.254.x.X then clearly
it is not. The address 169.254.x.x is assigned by Windows when it
can't receive the 192.168.1.x address from the router.

Have you tried to see if the DNS Client is running in the services
panel? See this pictu

[ alt-no ] https://i.imgur.com/KNw0CDI.png


Both machines should be on the same network for machines to see each
other. Of course this is a simple situation so a simple statement from
me. I could give you a complete lecture on how IP addresses are
assigned and how they work in a global situation but this is beside the
point. For now just make sure both are on 192.169.1.x network on the
same router so that the addresses are given dynamically.



--
With over 999 million devices now running Windows 10, customer
satisfaction is higher than any previous version of windows.

  #6  
Old July 16th 19, 05:20 AM posted to alt.comp.os.windows-10
nospam
external usenet poster
 
Posts: 4,718
Default Why does my computer keep disappearing from the local network?

In article , Eric Stevens
wrote:

Corsair IPV4 169.254.1.22


it failed to get an ip address via dhcp.

Dell IPV4 192.168.1.1


that should be the ip address of your router, not the dell.
  #7  
Old July 16th 19, 05:23 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 Sun, 14 Jul 2019 14:14:00 +0200, "Carlos E.R."
wrote:

On 14/07/2019 05.19, Eric Stevens wrote:
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.

Right now, when I check the network, there is no sign of it but some
times it shows up as a media device. This is the situation when I
check from either Corsair or Dell. I can easily bring it out of
hiding. All I have to do is reset the network from Corsair. But one or
two days later it has gone again.

I've now spent nearly two years struggling with this machine and as
far as I can tell both Corsair and Dell use the same settings. But
Dell behaves itself and Corsair continues to be a pig.

I have no idea of what setting is changing and no idea of where I
should be looking. Has anyone got any suggestions about what I should
be looking for?


You should find out first if the machine is really disconnected from the
network, or is its name not showing. For example, does it respond to
pings - by IP address, not name?

Corsair IPV4 169.254.1.22
Dell IPV4 192.168.1.1

Corsair ping Dell 32bytes 1ms TTL=64

Dell ping Corsair Request timed out
4 packest sent 0 received Lost 4

Corsair ping Corsair Destination host unreachable
4 packest sent 0 received Lost 4

Yet Corsair happily prints to (normally) either of the printers on the
network. It still prints to the Oki (see below).


Corsair Dell Oki Epson
| | Print Print|
| | | |
[=============Switch================]
|
[Modem]
|
Internet

If you try open a resource on it, does it work? Or if one was opened
before (say, shared folder), does it keep working?


At the moment Corsair can see Dell and its shared files and folders.
It can see the Oki printer, but not the Epson (It seems Epson
currently has the wrong driver. I must fix that). It also sees the
Google Dongle in the living room and somebody's cell phone.
The problem is different one way or the other.


Corsair is using an APIPA address. It should be
using DHCP to "automatically" get an IP address
from the router.

Your picture doesn't have a router. Perhaps
the switch is a router box with four Ethernet ports
on the back ? You can also get switch boxes without
any routing at all.

Something authenticates with the Internet. Maybe
that device has a web server. Maybe there is a
page in the setup of that device, concerning
"DHCP" and "range of DHCP addresses".

For example, I could define DHCP addresses

192.168.1.20 --- 192.168.1.40

which could be entered as

20 addresses, starting at 192.168.1.20

You would want sufficient addresses, so that the two
computers (and any virtual machines) would always
get a DHCP address.

Corsair should be doing this, and "consulting" the
DHCP serving device upstream of it. I doubt you've
changed this dialog, so this doesn't explain what is wrong.

https://www.dummies.com/wp-content/u...101.image0.jpg

Your post provides evidence that packets are flowing,
so the cable isn't snapped or fallen off.

What else can we blame ? MAC filtering ?
Or, there really isn't a router ?

And the Dell box has received a rather weird
private address. Normally 192.168.1.1 might be
the gateway on the router, and the addresses
given out via DHCP would be set to some higher value.
So somehow the Dell got 192.168.1.1. Suspicious!

While the Dell "looks normal", what happened on
Dell is also a symptom.

I think I want to see "Make and Model" for switch
and modem now. So we can discuss how something
naughty is going on. Once you give the make and
model, we'll be able to tell you what they are.

Maybe there is a box missing from the diagram ?

Paul
  #8  
Old July 16th 19, 05:44 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 Tue, 16 Jul 2019 15:39:34 +1200, Eric Stevens
wrote:

On Sun, 14 Jul 2019 14:14:00 +0200, "Carlos E.R."
wrote:

On 14/07/2019 05.19, Eric Stevens wrote:
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.

Right now, when I check the network, there is no sign of it but some
times it shows up as a media device. This is the situation when I
check from either Corsair or Dell. I can easily bring it out of
hiding. All I have to do is reset the network from Corsair. But one or
two days later it has gone again.

I've now spent nearly two years struggling with this machine and as
far as I can tell both Corsair and Dell use the same settings. But
Dell behaves itself and Corsair continues to be a pig.

I have no idea of what setting is changing and no idea of where I
should be looking. Has anyone got any suggestions about what I should
be looking for?



You should find out first if the machine is really disconnected from the
network, or is its name not showing. For example, does it respond to
pings - by IP address, not name?

Corsair IPV4 169.254.1.22
Dell IPV4 192.168.1.1

Corsair ping Dell 32bytes 1ms TTL=64

Dell ping Corsair Request timed out
4 packest sent 0 received Lost 4

Corsair ping Corsair Destination host unreachable
4 packest sent 0 received Lost 4

Yet Corsair happily prints to (normally) either of the printers on the
network. It still prints to the Oki (see below).


Corsair Dell Oki Epson
| | Print Print|
| | | |
[=============Switch================]
|
[Modem]
|
Internet

If you try open a resource on it, does it work? Or if one was opened
before (say, shared folder), does it keep working?


At the moment Corsair can see Dell and its shared files and folders.
It can see the Oki printer, but not the Epson (It seems Epson
currently has the wrong driver. I must fix that). It also sees the
Google Dongle in the living room and somebody's cell phone.


Now fixed the Epson driver problem. Microsoft insists on using a
cardboard replica of the real thing.

The problem is different one way or the other.

  #9  
Old July 16th 19, 05:51 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 Tue, 16 Jul 2019 05:07:24 +0100, ? Good Guy ?
wrote:

On 16/07/2019 04:39, Eric Stevens wrote:

Corsair IPV4 169.254.1.22
Dell IPV4 192.168.1.1



Is your router setup to provide IP addresses dynamically? I suspect it
is not setup correctly because if Corsair is on 169.254.x.X then clearly
it is not. The address 169.254.x.x is assigned by Windows when it
can't receive the 192.168.1.x address from the router.


I will get back to you on this one. I want to carry out a simple test.

Have you tried to see if the DNS Client is running in the services
panel? See this pictu

[ alt-no ] https://i.imgur.com/KNw0CDI.png

DNS Client The DNS Cli... Running Automatic Network Se...

Both machines should be on the same network for machines to see each
other. Of course this is a simple situation so a simple statement from
me. I could give you a complete lecture on how IP addresses are
assigned and how they work in a global situation but this is beside the
point. For now just make sure both are on 192.169.1.x network on the
same router so that the addresses are given dynamically.

  #10  
Old July 16th 19, 06:10 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 Tue, 16 Jul 2019 00:20:44 -0400, nospam
wrote:

In article , Eric Stevens
wrote:

Corsair IPV4 169.254.1.22


it failed to get an ip address via dhcp.

Dell IPV4 192.168.1.1


that should be the ip address of your router, not the dell.


Networking is something I know little about. To avoid confusion here
is the current network information from Corsair
https://www.dropbox.com/s/fgm16wxgxk...twork.JPG?dl=0
and from Dell
https://www.dropbox.com/s/93p5nuet1o...twork.JPG?dl=0

I notice that the IP4 address has changed for both Dell and Corsair
since earlier in the day.

I snipped both screen shots and left them on the respective desk tops.
Corsair had no trouble getting the snapshot from Dell. Its working the
other way that things seem to be blind.
  #11  
Old July 16th 19, 06:34 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 Tue, 16 Jul 2019 00:23:18 -0400, Paul
wrote:

Eric Stevens wrote:
On Sun, 14 Jul 2019 14:14:00 +0200, "Carlos E.R."
wrote:

On 14/07/2019 05.19, Eric Stevens wrote:
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.

Right now, when I check the network, there is no sign of it but some
times it shows up as a media device. This is the situation when I
check from either Corsair or Dell. I can easily bring it out of
hiding. All I have to do is reset the network from Corsair. But one or
two days later it has gone again.

I've now spent nearly two years struggling with this machine and as
far as I can tell both Corsair and Dell use the same settings. But
Dell behaves itself and Corsair continues to be a pig.

I have no idea of what setting is changing and no idea of where I
should be looking. Has anyone got any suggestions about what I should
be looking for?

You should find out first if the machine is really disconnected from the
network, or is its name not showing. For example, does it respond to
pings - by IP address, not name?

Corsair IPV4 169.254.1.22
Dell IPV4 192.168.1.1

Corsair ping Dell 32bytes 1ms TTL=64

Dell ping Corsair Request timed out
4 packest sent 0 received Lost 4

Corsair ping Corsair Destination host unreachable
4 packest sent 0 received Lost 4

Yet Corsair happily prints to (normally) either of the printers on the
network. It still prints to the Oki (see below).


Corsair Dell Oki Epson
| | Print Print|
| | | |
[=============Switch================]
|
[Modem]
|
Internet

If you try open a resource on it, does it work? Or if one was opened
before (say, shared folder), does it keep working?


At the moment Corsair can see Dell and its shared files and folders.
It can see the Oki printer, but not the Epson (It seems Epson
currently has the wrong driver. I must fix that). It also sees the
Google Dongle in the living room and somebody's cell phone.
The problem is different one way or the other.


Corsair is using an APIPA address. It should be
using DHCP to "automatically" get an IP address
from the router.

Your picture doesn't have a router. Perhaps
the switch is a router box with four Ethernet ports
on the back ? You can also get switch boxes without
any routing at all.

The switch is a Netgear GS105.
What I have labled as a [Modem] is a NetComm VSL/ADSL WiFi Gigabit
Modem Router.

I've tried entering the Router to see how it is presently configure
but it is not presently responding to my attempts get in with
192.168.20.1. I will reset things and try again later.

Something authenticates with the Internet. Maybe
that device has a web server. Maybe there is a
page in the setup of that device, concerning
"DHCP" and "range of DHCP addresses".

For example, I could define DHCP addresses

192.168.1.20 --- 192.168.1.40

which could be entered as

20 addresses, starting at 192.168.1.20

You would want sufficient addresses, so that the two
computers (and any virtual machines) would always
get a DHCP address.

Corsair should be doing this, and "consulting" the
DHCP serving device upstream of it. I doubt you've
changed this dialog, so this doesn't explain what is wrong.

https://www.dummies.com/wp-content/u...101.image0.jpg

Your post provides evidence that packets are flowing,
so the cable isn't snapped or fallen off.

What else can we blame ? MAC filtering ?
Or, there really isn't a router ?

And the Dell box has received a rather weird
private address. Normally 192.168.1.1 might be
the gateway on the router, and the addresses
given out via DHCP would be set to some higher value.
So somehow the Dell got 192.168.1.1. Suspicious!

While the Dell "looks normal", what happened on
Dell is also a symptom.

I think I want to see "Make and Model" for switch
and modem now. So we can discuss how something
naughty is going on. Once you give the make and
model, we'll be able to tell you what they are.

Maybe there is a box missing from the diagram ?

Paul

  #12  
Old July 16th 19, 10:03 AM posted to alt.comp.os.windows-10
Carlos E.R.[_3_]
external usenet poster
 
Posts: 1,356
Default Why does my computer keep disappearing from the local network?

On 16/07/2019 07.10, Eric Stevens wrote:
On Tue, 16 Jul 2019 00:20:44 -0400, nospam
wrote:

In article , Eric Stevens
wrote:

Corsair IPV4 169.254.1.22


it failed to get an ip address via dhcp.

Dell IPV4 192.168.1.1


that should be the ip address of your router, not the dell.


Networking is something I know little about. To avoid confusion here
is the current network information from Corsair
https://www.dropbox.com/s/fgm16wxgxk...twork.JPG?dl=0
and from Dell


192.168.1.8

https://www.dropbox.com/s/93p5nuet1o...twork.JPG?dl=0


192.168.1.16


I notice that the IP4 address has changed for both Dell and Corsair
since earlier in the day.

I snipped both screen shots and left them on the respective desk tops.
Corsair had no trouble getting the snapshot from Dell. Its working the
other way that things seem to be blind.


Yes, but it makes a difference the network dying from name disappearing
on other computers. Different problem.

--
Cheers, Carlos.
  #13  
Old July 16th 19, 10:07 AM posted to alt.comp.os.windows-10
Carlos E.R.[_3_]
external usenet poster
 
Posts: 1,356
Default Why does my computer keep disappearing from the local network?

On 16/07/2019 07.34, Eric Stevens wrote:
On Tue, 16 Jul 2019 00:23:18 -0400, Paul
wrote:

Eric Stevens wrote:



Your picture doesn't have a router. Perhaps
the switch is a router box with four Ethernet ports
on the back ? You can also get switch boxes without
any routing at all.

The switch is a Netgear GS105.
What I have labled as a [Modem] is a NetComm VSL/ADSL WiFi Gigabit
Modem Router.

I've tried entering the Router to see how it is presently configure
but it is not presently responding to my attempts get in with
192.168.20.1. I will reset things and try again later.


It is on 192.169.1.1, according to the the photo you posted 20 minutes
before.

--
Cheers, Carlos.
  #14  
Old July 16th 19, 11:00 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 Tue, 16 Jul 2019 17:34:47 +1200, Eric Stevens
wrote:


I've tried entering the Router to see how it is presently configure
but it is not presently responding to my attempts get in with
192.168.20.1. I will reset things and try again later.


That referred to trying to access the router from Corsair. I've since
tried to contact it from Dell, with no more luck. Everything I've read
says that 192.168.1.1 is the correct address.

I can't remembere quite what I did when I received the router: it was
sent to me by Internet provider to replace an earlier less than
satisfactory router. I may have just plugged it in and set it running.
Unlike my earlier router my IP can deal with problems from their end
of the line. Could they have configured it so that I couldn't get at
it from my end? It seems unlikely but I will print and read the manual
and may be talk to their help desk. No doubt more tomorrow.
  #15  
Old July 16th 19, 01:26 PM posted to alt.comp.os.windows-10
Carlos E.R.[_3_]
external usenet poster
 
Posts: 1,356
Default Why does my computer keep disappearing from the local network?

On 16/07/2019 12.00, Eric Stevens wrote:
On Tue, 16 Jul 2019 17:34:47 +1200, Eric Stevens
wrote:


I've tried entering the Router to see how it is presently configure
but it is not presently responding to my attempts get in with
192.168.20.1. I will reset things and try again later.


That referred to trying to access the router from Corsair. I've since
tried to contact it from Dell, with no more luck. Everything I've read
says that 192.168.1.1 is the correct address.

I can't remembere quite what I did when I received the router: it was
sent to me by Internet provider to replace an earlier less than
satisfactory router. I may have just plugged it in and set it running.
Unlike my earlier router my IP can deal with problems from their end
of the line. Could they have configured it so that I couldn't get at
it from my end? It seems unlikely but I will print and read the manual
and may be talk to their help desk. No doubt more tomorrow.


They can certainly block you from re-configuring it. My ISP does that,
because they maintain it. But there is an option to obtain local access
to it (which I did, because I need more customized control than what
they offer).

But they will not block pinging the router.

--
Cheers, Carlos.
 




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