My client called this morning. There was no Internet anymore. The router was installed back in 2015 and everything was working fine until sometime between midnight last night and 7:30am this morning when my client opened is business again.
When I connected with the ISP modem, everything was working fine and the 24 ports switch is working fine. Anyway, when I put in a temporary router, everything was working again, So, I know that the problem comes from the Cisco 881 Router.
I turned it off, I've pressed reset and on/off, pressed reset for 30 seconds and on/off and it always stays the same. When I look at the front LEDs, I see that the WAN LED is off (which is normal since there is no cable connected to it). All the other LED are on and solid (no blinking). The following LEDs are all solid green : OK, PPP, VPN and FE0 to FE3. The flollowing lights are all solid amber : PPOE 0 and 1. Please note that, right now, there are no cables connected to it (except power) but it was acting the same when there were ethernet cables connected to them (WAN, FE0, FE2 and FE3). FE1 was not used.
Any suggestions ? I believe that the router is broken and that I need to replace it. I just would like to confirm that before proceeding.
For the firware version, I can tell you that it's version 15.3.
Nope. This is not helpful.
Please post the complete output to the command "sh version".
Next, so if you have a console cable connected to the router, what happens when you reboot the router? Do you see the console terminal with inputs from the router? Well, we want to see them all.