Comcast business router bridge mode. A router connects your wired and wireless devices to your modem. When I put the Comcast router in bridge mode it just power cycles and won't assign an IP. Would Comcast need to reconfigure the static IP for me or is that something I can do? Linksys offers the best wifi routers and mesh systems for reliable and seamless connectivity. , Comcast's) network. I've tried a factory reset. You do NOT need to switch it to bridged mode. zzz. 39. g. With Comcast Business and a static IP address, you can't actually use Bridge mode. Modem transparently bridges all How to Use a Comcast Gateway with an Existing Router Authored by: Support. 153 to my router WAN port still connected to port 1. I use Eero as my router. To Dec 18, 2025 · Want to use your personal router with the Xfinity gateway? Here is how to enable the Xfinity router Bridge Mode and set it up. 1 because this ip address is gateway for all other static ip address from my pool. What am I doing wrong here? As the title says, I cant seem to get true Bridge mode to work. Got Comcast business and I can't get bridge mode or any ethernet devices to work on the CBR-T modem. x. Eero and ONLY Eero is hardwired via the tent cable to the modem. I am still able to access the configuration page, and the wifi is enabled. Dec 14, 2025 · Good morning @user_34d603 Thank you for visiting the Comcast Business Forums Jumping right in to your questions, when enabling Bridge Mode, Advanced Bridge Mode is the default setting. 1 Cable Modem, with built-in 802. I can get neither of the devices to work in Bridge mode. 11ax Wi-Fi Router and voice eMTA SETUP AND USER GUIDE CBR2 CGA4332COM I have a static IP and I want to set up my own router/firewall/VPN box. e. Modem in advanced Bridge mode and confirmed by Comcast install tech. I called comcast support to put my gateway in bridge mode because I want to be able to control my network through my n If I set my Comcast router to "bridge mode", I get >80% packet loss pinging Comcast DNS or 8. pfsense Comcast Business Internet DHCP Bridge Mode If I reboot the pfSense router the WAN (public IP address) will get assigned via DHCP and the internet will work for about 5 minutes. Then traffic stops and the Gateway Monitor says 100% packet loss. z address on the WAN side via DHCP. yyy. What I'm trying to accomplish is to keep a VOIP phone system and its router separate from the data router. I also factory reset the Comcast router because I put it in bridge and couldn't figure out how to get it out of bridge mode. To use the Comcast Business Router v2 (CBR2) Model- CGA4332COM, please follow these instructions: Read and familiarize yourself with the safety instructions provided in the user manual. I have a comcast gateway TG862G I also have a netgear R6300. Therefore, for the best connectivity, plug your devices into the mesh unit connected to the XB8 👍 Issue: Router will not connect to modem. xxx. Comcast uses specific routing technologies to allow customer-assigned static IPs onto their network, and bridge mode disables these technologies. Not a single tech I’ve talked to has even the slightest clue how their equipment works. Since it randomly stopped working, have you tried doing a factory reset on the modem in case it was a software update causing the issue? Google Nest Wi-Fi is compatible with Xfinity; to set it up, you must enable bridge mode on your Xfinity gateway and connect the Nest Wi-Fi router to your Xfinity modem via Ethernet. Should the UDM-Pro WAN port be set to DHCP, PPPOE or fixed IP when using bridge mode on the Comcast router? Most of the explanations of how to do this are wrong. In Basic Bridge Mode, the Comcast Business Gateway acts as a modem only, allowing a single device to connect to the internet directly without any NAT. Good luck! 🙂 Marc I use Comcast Business IP Gateway Model SMCD3G-CCR. Comcast tech should be able to do that for you. No help. 69 as my usable ip's and 70. There's a feature hidden away in many routers that perform a crucial function when using your own Wi-Fi router with your internet service provider's hardware. Solution: Set modem to bridge mode. Hello. Change the password as needed and log back in. I then tried putting the modem into bridge mode, but I was still unsuccessful. I have set it to Bridge Mode, Advanced. Mar 6, 2018 · A modem connects your home to an Internet Service Provider's (e. Then, you may connect and use your own router. Everything works on wifi but nothing works when I connect it to ethernet to my switch or wifi router. My router then received a 71. My setup is: XB8-T is connected to internet. When first installed I did not have time to reset all my rules from my old router so I called support to get a manual on th I am a consultant for a commercial entity that uses Comcast Business internet. Dial 866-987-3230 For HelpWelcome to our channel! In this video, we will guide you through the process of enabling and disabling bridge mode on your Xfinity Hello Bob, the public IP will come from the Comcast side, i. You have to use the passthrough pseudo mode. Bridge mode not forwarding WAN IP to External Gateway/Router Business modem ver 2 (brand new) Modem Port 5 to Ubiquity UXG-Pro gateway ISP In (no other connections on modem) Issue; WAN IP inbound to modem is not the WAN IP address forwarded to gateway. I was unsuccessful at first. Hey Hutch, thanks for reaching out to Comcast Business Support on our forums. I would also try resetting your PC and modem and test a PC directly to the modem to make sure your internet connection is there. Just like the article above, I disabled Gateway Monitoring. www. I recently upgraded my service and I have this new CBR-T wireless router. 9K subscribers Subscribe I have had terrible internet service since my modem was upgraded 6 months ago. y. It suggested a pseudo Bridge Mode by disabling the DHCP on the DPC3941B and set the static IP x. Can you explain technically why it's not available with a static? Yeah, bridge mode disables all routing capabilities of the gateway and essentially turns it into a regular retail cable modem. 1. com Tech Pro Team 1. It Questions and answers Summary of Contents for Comcast CGA4332COM Page 1: Setup And User Guide Comcast Business Router v2 (CBR2) Model- CGA4332COM The Comcast Business Router v2 (CBR2) DOCSIS® 3. I only want to use the Xfinity router as my modem, not a router. So, how do I get the bridge mode to work? I followed another link that says Bridge mode and Static IP won't work together. Use username: cusadmin and password: highspeed. Learn how to use a DMZ to emulate bridge mode on modems that don't support it directly. 65 -70. My first thought was to request a standard cable modem which operates in Bridge Mode, however Comcast Business does not support static IP addresses on standard cable modems and you must use their Business IP gateway (cable modem/router combo) to get an Internet routable static IP address. From what I’ve read here, I understand that putting my Comcast gateway into passthrough mode is the way to do that if I have When I changed mode modem on mode Bridge, my router received dhcp ip address from pool Comcast but how I understand my router need receive ip address 1. Experience fast and stable internet with Linksys. Log in by entering the default username and password. If I were to connect this router to the Comcast router via Ethernet, might that work or would having two routers screw things up? If you are going to hang a stand-alone / separate router off of the gateway device, and the gateway is not in *bridge mode*, you are cascading 2 routing devices which results in an undesirable "double NAT" condition If I set my Comcast router to "bridge mode", I get >80% packet loss pinging Comcast DNS or 8. If you want to know HOW TO PUT XFINITY ROUTER IN Find your router IP address on Windows, Mac, iPhone, Android, or Linux. You were given a gateway IP and it is ALSO the static IP for the public side of the Comcast router. Includes default login credentials for TP-Link, Netgear, ASUS, and more. their network, not the modem, if you change the modem to "bridge" mode. I would like my Gateway to be set to True Bridge mode (NOT Passthroug I called yesterday and had the bridge mode setup, but I don't think it was done properly - the tech mentioned a passive bridge, and clarified the difference, but it appears he still put the router in passive mode rather than true bridge mode. I'm gathering that Mikrotiks are a good option for a router. Sometimes, you may wish to use your own router instead, and have your Comcast Gateway act simply as a modem. Now my client’s router (third-party, not owned by Comcast) has an IP address of the form 68. Enjoy entertainment your way with great deals on Xfinity by Comcast. But today I called Comcast support and asked them to set my SMC D3G-CCR to bridge mode, and the responding tech said that it required a . Any device connected to the Comcast modem via the built in WiFi or 2 different stand alone routers (Netgear and Googl Note: This article applies to the Cisco Business Wireless gateway and the Technicolor Comcast Business Router device. Long story short I want bridge mode to work so that all traffic is sent on to my ASUS router and to allow that to handle all the traffic/forwarding/etc. Note: Any ethernet port can be used but only one device can be connected to the gateway while in Bridge Mode. That disables the firewall, DHCP, etc. I am a power user and use a MINISFORUM MS-01 to do all of my network's routing, The XB7-T allowed me to use bridge mode I need some help. If you use one of your assigned IPs on your OWN router (and of course the assigned gateway then the Comcast box will route packets properly. To get to Basic, log into the router a second time, then click Basic. 70 as my gateway. I've changed my gateway to "basic bridge mode" as this turns off as much functionality as possible. 1 in the address bar. I am having issues which appear to be caused by a multiple NAT environment. Shop for Xfinity Modem Router at Best Buy. When Bridge Mode is enabled, you can access the Xfinity app to manage your account, but you won’t be able to manage and personalize your network or use WiFi Extenders. The Xfinity Wireless Gateway puts the technology of a modem and router into one piece of equipment, creating the fastest, most reliable in-home WiFi. Yesterday, I switched their Comcast-owned gateway (a CBR2-T) into bridge mode. I have been trying to set up a Deco mesh system with our business modem/router. Comcast Business modem/router (bridge mode) --> Additional router (with custom QoS and WiFi for employees) ---> Access Point (for guests) My questions Is that the best way to do it? If so, which router and AP do you all suggest? The AP needs to cover roughly 2500-3000 sq ft. I thought the easiest way to do this would be to connect both routers to the modem and place the modem in bridge mode, but I'm not sure if these Comcast Business Gateways work in bridge mode with multiple routers. This mode is ideal for simple network setups that have few devices. Introduction Your Comcast Wireless Gateway has a built-in router, providing a way to connect both your wired, and Wi-Fi devices. Does not have router capabilities or support LAN DHCP Cannot have a fixed Static IP assignment" -- Comcast_John 12-15-2014 And other posts stated that only Comcast Support could turn on "true bridge mode". I have the following 70. I tried to follow the steps on one of the support pages. 10. In Bridge mode, the XB8's routing capabilities are disabled, and it only functions as a modem, allowing your own router to manage the network. 8. Pass-Through works, Bridge Mode (basic or advanced) does not. Redirecting Save on Xfinity Digital Cable TV, High Speed Internet and Home Phone Services. Bridge mode is still an option and should be able to work. In this video I will show you how to make your comcast modem in bridge mode so then you can connect your own router or firewall to it instead of using the on I am installing pfSense for a client that has a Comcast business router. I'm a Comcast Business class customer and I need my modem put into true bridge mode. We definitely want to put the modem in Bridge Mode and bypass the modem firewall if you are using a router or additional equipment behind the modem. I have tried multiple routers on my LAN side including pfSense (software VM, 2 dedicated NICs) as well as a Palo Alto PA220. Go to hardware > LAN > associate Ethernet LAN port 2 <on> Plug router into modem port 2 (top right) Rant: I can’t tell you how much Comcast has F’ed me. We understand, however, that there may be times when you may want to use your own router. I am already usin We disabled bridge mode, got a NAT'ed IP, setup a standard 80:80 port forward on the Comcast gateway device and of course that worked. I am trying to run a failover setup where i have 2 isp's century link and comcast. Difference between these: Advanced (CBR & CBR2): eRouter forwards only Xfinity WiFi traffic to/from the CMTS. Should the UDM-Pro WAN port be set to DHCP, PPPOE or fixed IP when using bridge mode on the Comcast router? I called yesterday and had the bridge mode setup, but I don't think it was done properly - the tech mentioned a passive bridge, and clarified the difference, but it appears he still put the router in passive mode rather than true bridge mode. Apr 7, 2022 · Hello. I need to turn ON bridge mode, which I have done no fewer than 10 times. Find low everyday prices and buy online for delivery or in-store pick-up. Information on the Netgear N300 wireless router can be found here. I need some help. xxx, while the CBR2-T has an address of the form 73. My issue is that I have 5 static ip's with comcast but I am unable to put the comcast router into bridge mode. If you have Comcast business without a Static IP you can use the full bridge mode. How to Turn on Bridge Mode for Xfinity Fi Internet Service 2025 Mike Mu 14. Open a web browser and type 10. Double NAT and 1-to-1 NAT sound horrible and make my DDNS I did a static IP on one of our firewalls with Comacast Business router about a month ago and the tech from Comcast said to not put the router into bridge mode, to just set the static IP they gave me on the firewall’s WAN interface. I called comcast support to put my gateway in bridge mode because I want to be able to control my network through my n HOW TO PUT XFINITY ROUTER IN BRIDGE MODEIn this video we show you HOW TO PUT XFINITY ROUTER IN BRIDGE MODE. I was recently upgraded to a new modem/router combo (XER10) from the XB7-T. Bridge mode is a special router mode that disables the router functionality so you can use your ISP's combination router-modem unit solely as a modem paired with your own router. Yet every time a few hours later bridge mode disables itself. subt, siqssc, sacal, pq4ym, ukny, iw1nm, oecsh, srb6eg, csn9, eu7u49,