I just saw this long thread ... missed all the fun!

On Tuesday, 31 December 2019 01:25:32 GMT Dale wrote:
> Adam Carter wrote:
> > On Tue, Dec 31, 2019 at 11:08 AM Dale <rdalek1...@gmail.com
> > 
> > <mailto:rdalek1...@gmail.com>> wrote:
> >     Dale wrote:
> >     > Grant Taylor wrote:
> >     >> On 12/30/19 1:04 PM, Dale wrote:
> >     >>> Is there a way to find the IP for this thing?
> > 
> > Its using 192.168.254.254. Since fireball is in 192.168.2.0/24
> > <http://192.168.2.0/24>, its on a different subnet and therefore cant
> > arp it.
> > 
> > Try setting fireball to say 192.168.254.253/24
> > <http://192.168.254.253/24> then try pinging 192.168.254.254
> 
> I found the offending entry.  When you posted that, I was confused for a
> minute.  When I found the setting, it hit me.  My old modem is on
> 192.168.1.* and my router is on 192.168.2.*.  I commented those out so
> it could grab whatever IP it wanted.  It WORKED!!  I could access the
> modem.  

As was mentioned your PC has to be in the same subnet to be able to access the 
router.


> I found out the name and such from the previous user.  I
> couldn't see the password tho.  Anyway, it seems this is locked to
> Frontier ISP.  I put in the right user name/password and it wouldn't
> connect.  It tried but no joy. 

When you reset the firmware all settings are *supposed* to be wiped out.  
However, this is a router which is controlled by the ISP via a provisioning 
server.  Either certain settings have been hardcoded in the ISP released 
firmware, or more likely you have not reset it correctly/completely.  The 
power LED will blink red when you hold down the reset button during the boot 
stage of the router.  It's a good idea to hold the button pressed and keep it 
depressed for up to a minute, as you power cycle it.

More options here:

https://www.mobilereset99.com/reset-netgear-b90-755025-15-router/

NOTE: When you succeed in resetting the router, its subnet/IP will change and 
therefore you should check your PC's IP address matches the router's address 
space.


> Before I bought this, it was claimed that this should work with AT&T but
> unless I got something wrong, it doesn't.  Shame really, pretty nice
> modem.  The screens give pretty nicely laid out info about things too. 
> 
> Unless someone can figure out how to make this Frontier based modem work
> with AT&T, I guess this is a door stop. 

AT&T was issuing these routers to customers and was provisioning firmware 
updates via their control servers.  I don't know if they still do so.  
Contacting AT&T support may get you some info on their default username/passwd 
settings.  However, I would think if you reset the router successfully without 
it being connected to the Internet, you'll be able to login into it with 
username=admin and blank passwd.

If AT&T have decommissioned their provisioning servers they may be able to 
provide you with their latest firmware to flash it manually.

-- 
Regards,
Mick

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