Visitor

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2 Messages

Saturday, November 8th, 2025 5:54 AM

XER10 - Bridge Mode

I was recently upgraded to a new modem/router combo (XER10) from the XB7-T. I am a power user and use a UniFi Dream Machine Pro to do all of my network's routing, The XB7-T allowed me to use bridge mode and let my router handle all of the routing throughout the house. With this new XER10, I don't even have an option for Bridge mode at all. I operate a server and connect to my router with VPN very frequently and I CANNOT have a double NAT. My UDM Pro is more than sufficient to handle the network speeds, and has 10Gig NICs as well. If I can register it's MAC and use that I would be much happier and I will gladly send back the equipment, but otherwise I will need a version of your equipment that I can enable Bridge Mode. 

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Official Employee

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2.6K Messages

15 days ago

Hello! Thank you so much for using our Forums, and we are happy to have the chance to work together to assist with your equipment concerns. I see that after a recent upgrade to our latest modem you are having some trouble with your set-up since you are not able to access Bridge mode on the new equipment. Please send us a DM with your complete name and service address, so we can jump into this to help get your set-up working properly.
Here's the detailed steps to direct message us: 
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• Click the "Direct Message" icon (upper right corner of this page) 
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• Type "Xfinity Support" in the to line and select "Xfinity Support" from the drop-down list 
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• Press Enter to send your message
 

(edited)

Expert

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114.6K Messages

15 days ago

@XfinityJorge 

The XER10 doesn't have a bridge mode feature....

Visitor

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7 Messages

15 days ago

I found a way to enable bridge mode on the XER10.

Hidden away in the "At a Glance" page of http://10.0.0.1 is the following function:


var token = "{Your Token Here}";

...

	function changeBridge(isBridgeModelEnable) {
		var cnt = 90;
		var jpMsg=$.i18n("Bridge Mode changes will be fully applied in")+' ' + cnt + ' '+$.i18n(" seconds, please be patient...");
		jProgress(jpMsg, 600);
		$.ajax({
		type:"POST",
		url:"actionHandler/ajax_at_a_glance.jst",
		data:{Bridge:"true",isBridgeModel:isBridgeModelEnable,csrfp_token: token},
		success:function(){
				// don't do jHide, with latest firmware, switch bridge will return before httpd restart, GUI reload at return will cause 500 error. So wait until http restored. 
				var hCnt = setInterval(function(){
					$("#cnt").text(cnt--);
					if (cnt < 0) {clearInterval(hCnt); location.reload();}
				}, 1000);
			}
		});
	}

Open up dev tools and you can find it for yourself. Copy/Paste it into the browser console and then type the following to run the command:

changeBridge("Enabled")

This will immediately start enabling bridge mode!

(edited)

Visitor

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2 Messages

Outstanding, this totally worked. As I write this it is switching to Bridge Mode. I am going to run with this for a bit and if everything works as intended I will be sure to keep this handy for anyone else who might be having this issue. I am grateful for you help! The real support is in the comments!

Expert

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114.6K Messages

@bert2me​ 

That's good work ! Too bad the average user won't know how to do it..... Why can't Comcast just enable it ???

I am not a Comcast Employee.
I am a Customer Expert volunteering my time to help other customers here in the Forums.
We ask that you post publicly so people with similar questions may benefit from the conversation.

Was your question answered? Please mark an Accepted Answer!tick

Visitor

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2 Messages

I’m one of those average users who would appreciate more details on the above script to enable bridge mode on the XER10 gateway. Please take the time to detail the steps. Thank you.

Visitor

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1 Message

11 hours ago

Has it been running stable for you? @bert2me

Looking to do the same thing to avoid a double NAT. 

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