EA2700 Wireless Dual-Band Router

I just had a strange thing happen to my EA2700 Router. I connected my Cable Modem to an "Old" Apple AirPort Base Station with an eMac PC to test it online.
After I switched the Cable Modem back to my EA2700, the START IP ADDRESS on the EA2700 had changed;
From : 192.168.x.1 - to - 10.160.76.223! and I couldn't get the router to RESET back to Factory Default Settings with the rear reset button, no matter what I did (powered ON Reset or Power UP Reset).
I finally had to sign into it with the 10.160.76.223IP, and change it back to 192.168.x.1 for all my PC's, printers and other devices to work again. I checked to see if there is a FIRMWARE update for the Non-Cloud version of the EA2700, but NADA.
By the way, the CLOUD version DOES have Firmware updates available, but the Release Notes don't say much besides;
"Replaced Legacy browser-based configuration utility to Cisco Connect Cloud service" (Version1.1.38.138143)
Dated: June 25, 2012.
and "Minor update in firmware upgrade logic to support easier recovery to previous firmware"
(v1.1.38 (Build 138827); v1.1.38 (Build 138828) & 1.1.38.138880 (for web manual download only), ALL dated: July 6, 2012.
I also did brief Google search for any associated problems. Nada, again. I've found problems like these usually require a firmware update to resolve.
Has anyone seen this before? and If so, what caused/causes it? Do I need to Update to one of the v1.1.38 Builds?
Any help would be appreciated.

Thanks for the reply, BUT, you're talking about the EXTERNAL Internet Facing IP Address from the Cable Modem.
I know the EXTERNAL Internet Facing IP Address from the Cable Modem can/will change due to the ISP's DHCP server.
I'm talking about the INTERNAL Local/Home Network Facing IP Address.
In other words, the one the devices see that are connected to the Router, WIRED via it's built-in SWITCH Ports,
and/or WIRELESSLY through the Routers built-in wireless NIC.
The INTERNAL Local/Home Network Facing IP Address is controlled by the Router's Internal DHCP Server Function.
The Start/Starting IP Address, is deteremined throught the Basic Setup Page of the Router's Configuration.
That's the IP Address that got changed after the Cable Modem was plugged into the Apple AirPort Base Station!
As opposed to Linksys/Cisco (and many other Router manufacturers) who use 192.168.x.1 as a DEFAULT Internal Starting IP Address, Apple always uses 10.x.x.x Starting IP Addresses in their AirPort Base Stations/Routers.
It seems like somehow the Cable Modem picked up a 10.x.x.x type IP Address from the Apple AirPort and then sent it to the EA2700 Router after it was reconnected to the Linksys/Cisco router.
My personal mystery, confusion, and questions is; How in the heck did it RECONFIGURE the Linksys/Cisco Router's INTERNAL Start IP Address? The Linksys/Cisco Router's INTERNAL Firewall should NEVER allow an EXTERNAL Device to change ANYTHING in the Router unless Remote Management Access is ENABLED (which it WAS NOT!).

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This is a part of the larger MacBook Pro connectivity issue. There are several related threads dealing with the MBP's networking problems. If your unit is suffering from this type of difficulty, good luck ... (or a long ethernet cable)
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Hello @JMHouston , and welcome to the HP Forums, I hope you enjoy your experience!
I see you are looking into your options for a dual band router. I would love to help.
The printer will only connect to a 2.4 GHz broadcast. To quote this document on Print | Rate this content HP Printers - Tips and Workarounds for Common Wireless Network Printer Iss...
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Please let me know if you have any questions. Thanks for posting on the HP Forums!
Please click “Accept as Solution " if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the right to say “Thanks" for helping!
Jamieson
I work on behalf of HP
"Remember, I'm pulling for you, we're all in this together!" - Red Green.

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I will do my best to help you.
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I have provided a document for setting up the wireless connection or you can follow my different methods provided.
Installing the Printer Software on a Wireless or Wired (Ethernet) Network.
If you need further assistance, just let me know.
Have a nice day!
Thank You.
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos Thumbs Up" on the right to say “Thanks” for helping!
Gemini02
I work on behalf of HP

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Hi @SP-Michigan ,
I see that you are experiencing issues with setting up the printer over the network on the Comcast Dual Band Router.
I will do my best to help you.
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Press the OK button on the printer, go to service, then select restore defaults.
Print a configuration page from the printer to make sure the IP and SSID are cleared.
Most likely it is the settings on the router that might need to be changed.
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The WPA key setting needs to be on AES to work correctly not TKIP.
Multi casting needs to be turned on.
Firewall on router has to have open ports for printer.
If you have Mac Filtering you need to give printer hardware address from configuration page.
You might need to contact Comcast for further assistance to check those settings.
I have provided a document for setting up the wireless connection or you can follow my different methods provided.
Installing the Printer Software on a Wireless or Wired (Ethernet) Network.
If you need further assistance, just let me know.
Have a nice day!
Thank You.
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos Thumbs Up" on the right to say “Thanks” for helping!
Gemini02
I work on behalf of HP

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