My Home LAN Partially Quit
 

Home Lan

Back bedroom: AT&T wifi router internet connection. Desktop and NAS1,
Switch to printer.

Front room: Cat5 from Back Bedroom AT&T WiFi to switch in front room.
Switch to Desktop, NAS2 and laptop.

Side room: wifi to laptop.

All was working until ...

Front room UPS powering switch and NAS2 died.
So unplugged from UPS and installed a working UPS.
All lights came on.

But, NAS1 and NAS2 not found.
All PCs can see each other.
All can access Internet. Some via CAT5 others via WiFi.

Recycled power on NAS1 and NAS2. NOGO !

Recycled power on AT&T router thinking NASes lost their IP Address.
NAS1 and NAS2 appeared on what I was sitting at for around 5 minutes
then disappeared totally from all PCs.

What is going on and how do I fix ?

My Home LAN Partially Quit
 

On Tue, 14 Nov 2017 07:58:26 -0800, Lana wrote:

Home Lan

Back bedroom: AT&T wifi router internet connection. Desktop and NAS1,
Switch to printer.

Front room: Cat5 from Back Bedroom AT&T WiFi to switch in front room.
Switch to Desktop, NAS2 and laptop.

Side room: wifi to laptop.

All was working until ...

Front room UPS powering switch and NAS2 died.
So unplugged from UPS and installed a working UPS.
All lights came on.

But, NAS1 and NAS2 not found.
All PCs can see each other.
All can access Internet. Some via CAT5 others via WiFi.

Recycled power on NAS1 and NAS2. NOGO !

Recycled power on AT&T router thinking NASes lost their IP Address.
NAS1 and NAS2 appeared on what I was sitting at for around 5 minutes
then disappeared totally from all PCs.

What is going on and how do I fix ?

What do the router(s) logs say ?
What does ipconfig from each device (computer) say ?
[]'s
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