Comcast passthrough mode. Comcast confirms to me the gateway is in pass through mode.

Comcast passthrough mode Anyone else had any issues setting up the UDM Pro with a Comcast modem router combo? I've put the Comcast Router/Modem into bridge mode, connected an ethernet wire from the Comcast Router/Modem to port 9 on the UDM Pro and then have a ethernet connected from port 1 to a USG 16-150W. I understand that this is not true bridge mode, but a pass thru mode. I threw the flag on that! Dec 20, 2022 · I've had a comcast modem in bridge mode for 20 years. Should the router have a WAN address in the 10. I can seem to only hit 10. CGA4332COM wireless router pdf manual download. A faster modem would also be beneficial. It is past Comcast Business's demarcation policy to assist with a customer's personal network, firewall settings, port forwarding rules, etc. My modems are in bridge mode but DHCP is still enabled. Everything works great no issues. Jan 21, 2022 · Hello all, I just spoke with a Comcast technical representative and they clarified that Comcast currently does not offer IPv6 addresses when a customer modem is in pass through mode as it requir Are IP passthrough and bridge mode the same thing? Not exactly. Pinging the WAN interface of our firewall from their home network results in all of the packets being either dropped or they complain that the destination is unreachable. Gateway is in passthrough mode, same as before. That seemed to fix the issue. Now when using the XB8 and wanting to connect a router you would first enable Nov 18, 2019 · The WAN Internet IP Address on the gateway should be 2 higher than your static address. From your excellent description, it sounds like the modem needs to be set up in Passthrough mode. There are three possible ways that this coul Dec 7, 2019 · We have a DPC3941B in pass through mode with static IPv4 and IPv6 addresses. I've been able to get all of those bridged properly (Comcast tends to refer to it as IP passthrough mode), but something with this Ntegear didn't want to behave. Dec 7, 2019 · 2. Anyone have experience with Comcast gateway in passthrough mode? Thanks. Mar 26, 2021 · Hi, I have a static IP address from Comcast and I've set the leased Comcast router (CGA4131COM) to pass-through mode by disabling the DHCP server and setting a custom firewall setting (no firewall Jul 11, 2015 · Yeah, bridge mode disables all routing capabilities of the gateway and essentially turns it into a regular retail cable modem. If you continue to experience issues after applying settings, you can purchase a Vonage Certified Router and place it into the DMZ of your ISPs device. A previous post in these forums seemed to indicate that this was n Apr 11, 2025 · Let us explain how to enable / disable Xfinity Bridge Mode with step-by-step guide as well as how to troubleshoot issues related to the bridge mode. The phone and TV, which may be connected to the Xfinity router, continue to work as usual, because the Internet router just stays put. Does this xfi gateway has an IP Passthrough option? Jun 12, 2023 · We have a static IP, using our own router behind the Comcast gateway. faster/newer DOCSIS 3. Technically you can just run them both in full blown router mode with two layers of NAT and no DMZ, the only catch there is if you want inbound port forwarding you have to do it on both routers (uPNP Dec 8, 2024 · I was able to fix the issue. IP Passthrough mode (or have Xfinity do it) Turn off the wifi in the settings menu of the Internet Oct 4, 2025 · Comcast routers can be quite picky when it comes to VPN protocols Xfinity blocking VPN traffic is not really a secret, and the Comcast routers give it the upper hand. CGA4131 gateway pdf manual download. After calling support today, my internet was restored. To do this on our network, you will have to enable the Bridge Mode feature on the Wireless Gateway, which turns off its routing capabilities while leaving Jul 26, 2024 · Set Xfinity Router to Bridge/Pass-Through Mode: If you’re using an additional router for VLANs, set your Xfinity router to bridge mode. We have a dynamic IP. The issue occurring is that while the modem gets close to 1gb when speed testing in default mode, when you put it in bridge mode it only gets maybe 350mbs down. There are three possible ways that this coul Jun 29, 2021 · Hey @ willbail, thank you for reaching out to Xfinity Support on our Business Forums! That is a great question and I can certainly help. Sep 6, 2023 · Hello - I'm planning on enabling bridge mode. Yes, if you do not set any type of bridge mode or pass-through mode with disabling DHCP the DHCP will be supplied. However, we are still unable to connect to VPN. I was able to get my IPSec tunnels up and the few ports that I need forwarded to internal services. The agent changed the gateway Oct 4, 2022 · My setup at home is a Comcast Business provided CGA modem, which operates in bridge mode. It's actually sad and frustrating I'm paying over $200 for a service that can't function ONLY as a modem and not this junk AIO. I Sep 17, 2020 · 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. 29 and gateway would be the gateways IP xx. I have checked all of the usual suspects - bad cables, wrong ports, etc. The modem is connected to my personal router through ethernet, the router is a RT-AX86S. If you’re using your own router behind it, I would typically look for a “bridge mode” option on that device. View and Download Technicolor CGM4331 Series user manual online. I have Xfinity home security: 2 cameras and a video doorbell. I am using Comcast VOIP service however. 253 May 31, 2022 · The comcast edge device does not provide IPS and content filtering so I will continue using the MX's for that in "Passthrough" mode. Apr 24, 2020 · Also pass through mode is a joke, you're still sitting behind NAT and packets are still processed through NAT it's just a 1:1 which still add's unneeded latency in-between your device and comcast network. I've enabled IPv6 in the passthrough mode as instructed by ASUS but the IPv6 test sites show I do not have an IPV6 connection. There are two ways to turn off your Xfinity gateway’s wifi: Put your Internet gateway in Bridge mode a. Not just pass through mode. 30. More- https://youtu. Nov 2, 2017 · It is not in bridge mode, but is in what Comcast call “pass through mode”. As well, are you trying to forward port 500 to I don’t know if this helps but if your comcast gateway is giving your router an IP in the 10. Mar 6, 2025 · I have my Xfinity modem in bridge mode and can’t seem to get the storm ready WiFi working. My bridge mode stopped getting a public ip/ipv6 addr Oct 26, 2018 · HIm want to put Fortigate behind Comcast modem CG3000DCR in order to have Site to Site VPN tunnels - i have static ip address. xx. Seems that for whatever reason bot using the Xfinity routing option afferctsd my speed. This allows traffic to pass-through the modem to a routing device and can be used if the customer has a Static IP address. CGA4131COM wireless router pdf manual download. This is our information links in regards to it: Comcast Business IP Gateway and Static IP overview Comcast Business New UDM-Pro at a new office with a new Comcast service. Any help? Aug 9, 2023 · How to Set up Google Nest Wifi with Xfinity Internet This guide assumes that you have an Xfinity modem-router combination (xFi). 3. Oct 29, 2024 · When you put your UDM Pro into passthrough mode on a Comcast router, you're effectively turning off the routing functions of the Comcast device, which can indeed lead to losing access to it remotely. Comcast should be able to do it remotely. Would anyone be able to help me get our modem setup to allow the router to be in full control of the network? We are having trouble with the port-forwarding not working and all kinds of issues. I've got my Motorola Cable Modem (Comcast) plugged into eth0, a simple switch plugged into eth1 and my desktop PC plugged into eth3. 1:8080 from the desktop PC over wifi but for the life of me can't figure out how to configure eth0 so it pulls in internet from the cable modem Sep 17, 2020 · Thank you for your response Joseph. Learn what they are, how they work, and when to use each one. It is a no brainer because your modem will be paid off by the rent you would have otherwise given to Dec 26, 2021 · Get a virtual cloud desktop with the Linux distro that you want in less than five minutes with Shells! With over 10 pre-installed distros to choose from, the worry-free installation life is here! Whether you are a digital nomad or just looking for flexibility, Shells can put your Linux machine on the device that you want to use. This mode is achieved by disabling the IP firewall and setting firewall settings to custom, the disabling DHCP on the LAN for IPv4 and v6. Step one: Find out what your static IP assignment is, you will need your Static IP, the subnet mask, and the gateway information to create a static assignment on your 3rd party equipment. Get your VPN to work with Comcast again with the help of our fixes It's a DOCSIS 3. 0 model) May 3, 2025 · Bridge Mode is a feature on the Xfinity Wireless Gateway that disables its routing capabilities while keeping its modem functions active. I put the gateway into Bridge Mode and our firewall now has the IP address. It is super nice to be able to remote access especially with everyone needing to be home. 1 (which it's always been). If the issue is happening whether bridge mode is enabled or disabled then that would definitely be something we would want to dig into further to see why Nov 12, 2021 · I'm putting the Xfinity Box into Bridge mode So I can use the same IP scheme as the xfinity router was using. I have a complex Ubiquiti (Unifi) setup and I don't want to give that up. As members of the Digital Care Team here at Xfinity, we can help with a wide array of concerns including troubleshooting, billing, plan changes, and more. Yesterday, my internet stopped working. I would like to help with your static. View and Download Comcast CGA4332COM manual online. Comcast advertises unlimited data if I use their xFI Gateway (for $25). There is a difference between Bridge mode and Passthrough mode. This is fine for IPv6, but these installations need static IPv4. To be clear, I prefer a dynamic IP, and only authorized a static IP because the Comcast tech said I needed it for bridge mode or pass-through (for my SonicWALL VPN). Keep the modem in pass-through mode, feed the modem its WAN and LAN address ranges using DHCP6-PD (this happens), and then our Ubiquiti device uses DHCP6-PD against the DHCP service on the Comcast modem to get its WAN and LAN addresses (this does not happen). I called tech support - they went online and configured pass-through mode. View and Download Technicolor CGA4131 operation manual online. Dec 10, 2024 · The document explains how to configure Bonjour forwarding on the MX Security Appliance in Passthrough mode, facilitating the seamless communication of Bonjour services across subnets. This way you do not have to pay rent to Comcast for using their modem. I bought a T-20W as I'd like to get more info networking but I'm also very new to this. I would recommend setting the network a passthrough mode. It outlines the … I plan on leaving it in bridged mode even though the speeds are 1/2 they are in non bridged mode. since the Xfinity bridge is between the ISP and the Router, Does it/Can it still act as an access point based on the configuration of the Linksys router. Jan 31, 2022 · Does anyone have experience configuring the routing on a TP-Link ER605 router with the Cisco DPC3941B modem in “passthrough” mode with a static ip block? I attempted it this morning to no avail Jan 26, 2024 · Does Xfinity home security work while modem is bridge mode I am thinking of setting up a Unifi/Ubiquiti home network by putting my Xfinity XB8 modem in bridge mode. I don't have a static IP. I looked up the manual for the router and there was a setup process. Click here Dec 25, 2023 · IPv6 support in Florida Does xfinity support IPv6 in zipcode 34287 ? I'm using a Hitron CODA56 (a model that is recommended in the Comcast compatibility list), and an ASUS RT-AX86U router. Now when using the XB8 and wanting to connect a router you would first enable Aug 29, 2022 · I turned my xFi into bridge mode because xBox complains double NAT gateway, however, now I figured out maybe it's better to turn my router to bridge mode instead of xFi -- because Flex stops workin Nov 18, 2019 · The WAN Internet IP Address on the gateway should be 2 higher than your static address. Dec 29, 2016 · Now, after much pain, I have the static IPv4 working in passthrough mode - the address blocked was moved incorrectly to a CMTS in another state according to tech support - and after them attempting to just give me a new one rather than fix it, the on-site tech (who was great) got them to run it down and provision it correctly. You have to use the passthrough pseudo mode. I found this pretty good post about the true bridge mode vs passthrough, but what exactly is pseudo-bridge I'm seeing on devices now? I thought it was the same as passthrough but in my experience it doesn't behave the same. When Bridge Mode is enabled, you can access the Xfinity app to manage your account, but you won’t be able to use Xfinity xFi and WiFi Boost Pods features to manage and personalize your network. There are three possible ways that this coul Dec 21, 2023 · This article describes how to configure IP Passthrough (Bridge Mode) on a capable Series 3 Cradlepoint router. But my question is this. Feb 24, 2015 · I would call Comcast and tell them what you need done. We understand, however, that there may be times when you may want to use your own router. All other Internet access works fine. k. I think the issue was that the router was on AP mode instead of router mode. BUSINESS GATEWAY. 10", (or 10. net In advanced bridge mode, the Xfinity modem still acts as a pass-through device, but it also provides some additional features that can be useful in certain situations. I am having trouble getting IPv6 routing through the modem to our firewall. So I factory-reset the router, used the setup wizard, put the gateway in bridge mode, and everything worked. 10. DOCSIS Gateway. I cannot get this to work with Milestone. I was hoping to Nov 11, 2025 · The MX Series Security Appliance and Z1 Teleworker Gateway can be deployed inPassthrough or VPN Concentrator mode. This is an unfortunate oversight but THERE So after many grueling hours on the phone with Comcast, as well as just trying different things out, I have finally discovered the correct way to setup your own router without having a double NAT. I have talked to customer service reps and scoured the internet, and it just doesn’t seem possible. Comcast and Spectrum often refer to Passthrough mode when what they really mean is a certain configuration of the modem's settings to remove all restrictions on inbound and outbound traffic for the Public IP subnet. Opnsense LAN is 192. ewatts76 is right. To check whether it's properly bridged, look on your Netgear router at the "WAN address". This disables the routing capabilities of the Xfinity device and passes traffic directly to the connected router. ( example ) If this is not the case, call Comcast Business Support and have them “Load the static IP block” into the Comcast Business Gateway, and have them set it for passthrough mode. Thank you for joining us here on r/Comcast_Xfinity, your official source on Reddit for help with Xfinity services. It still didn't work. bummer. I have been trying to troubleshoot it ever since. Jun 18, 2022 · Software engineer here with strong network admin skills. Does this combination work? Want to use your personal router with the Xfinity gateway? Here is how to enable the Xfinity router Bridge Mode and set it up. Community Specialists will provide official support between the hours of 6:00am - 12:00am Eastern Time for issues that require Mar 26, 2018 · Hi quetek. Mask is correct. To connect to sonic wall, comcast modem needs to be in pass through mode and according to these instructions only thing you need to do is disable the firewall, is that correct? Jul 31, 2023 · Bridge mode on the XFI is technically a bit better as you're eliminating one layer of NAT, but DMZ will accomplish the same thing and very little latency difference (imperceptible most likely). Still no joy. Aug 9, 2024 · I should be able to toggle it back to bridge mode, but cannot find a way to do this in the Xfinity iPhone app. Comcast tech should be able to do that for you. From reading other forum posts i need to have the modem in bridge mode May 10, 2022 · Thanks all, We called Comcast and they put the modem in "passthrough mode". We need this for vpn connectivity and other services that require a static ip. Most of my other sites have a Comcast Business Gateway, which is a full blown router with wireless and everything. If your gateway has been provisioned properly with your static IP, you should be able to configure any of your own devices Jun 6, 2022 · 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. I would like to be able to put it in passthrough mode, take it out of that mode, etc. Exclusive for LQ members, get up to 45% off per month. 0. Comcast/Xfinity removes the cap fee if you use their xFi Gateway hardware (cable modem/router/wi-fi). View and Download Technicolor CGA4131COM setup and user manual online. Tried bridge mode and only on port 2 can I get anything… Mar 1, 2020 · If you use xfinity security, phone, cameras or other services you may NOT BE ABLE to successfully use modem in bridge mode because xfinity TV boxes, phone & security do use internet SETTINGS & XFINITY MODEM FEATURES contrary to popular belief. Double NAT and 1-to-1 NAT sound horrible and make my DDNS May 18, 2024 · I wanted to post this message to clear up some confusion about setting a Motorola MT7711 cable modem to Bridge mode with Xfinity. I won't be using the Meraki VPN functionality. 168. I have always run XFinity in bridge mode, with a Linux-based router/firewall between my LAN and the modem, and this has worked well. We turned the modem into passthrough mode with supports help. Oct 17, 2019 · That gateway will allow you to enable passthrough mode and Comcast_John gave a really good overview of the differences between that and true bridge mode in the forum thread ' 'True Bridge Mode’ vs. Has anyone else Jun 24, 2019 · Hi Phil, Pass through mode, i take it that the gateway doesn't do any firewalling and leaves that task to the downstream router that I would install. Get all the details to enable and disable the bridge mode on your Xfinity gateway. Comcast Business Router. But no internet. Tech support told me I have to have Static IP to put my modem into true bridge m Jan 1, 2015 · In general, yes you'll want to have your COmcast gateway in "true bridge mode", which makes it act like a standard cable modem. If it Apr 19, 2024 · I have had the Comcast Business gateway in bridge mode for a few years. I would like to manage the device. However, for remote access and management of the phone system, we need to forward some ports. If this issue only happens when bridge mode is enabled is likely the router and other equipment are causing the problem. Does passthrough work along with VOIP? probably not right? Feb 27, 2024 · We subscribe to xFinity voice and I want to ensure that xFinity voice (landline phone) services will continue to work, via the XB7 gateway, after we enable bridge mode. We have a firewall behind the comcast router and need the public static ip passed directly to our firewall. 0 mode that also features a dual-language gigabit router system AC1900 Wi-Fi that offers both Comcast XTIMEFIN Internet and voice services. Previously, with Avigilon, we reached the server with staticIP:8081. Jun 2, 2022 · One of those wans is an Xfinity XB7 in bridge mode. I really don't want to deal with customer service -- is there any instructions on using the app to reestablish bridge mode?? Dec 7, 2019 · We have a DPC3941B in pass through mode with static IPv4 and IPv6 addresses. Rebooting the router temporarily fixes the problem. I assumed router WAN would be the static IP xx. 1 modem (currently use a DOCSIS 3. 2TB cap). However, I need to setup IP passthrough mode on the CGA4131COM modem by Technicolor ver 2. They typically are correct in their use of Bridge mode. Here you can know that what is Bridge Mode on Xfinity. We're online and all is good there. xxx. If the numbers look something like "10. DHCP works nice when you have to call Comcast when you have problems and they ask you to plug your computer directly into the modem to bypass your router. I disabled the entire firewal Feb 1, 2018 · Pass Through or Bridged with Static IP Hello, We are a business in Southern NJ and have internet service with a static ip. However, you can still access the Comcast router directly if needed. With Comcast Business and a static IP address, you can't actually use Bridge mode. I know how it works well and I am an IT professional that does networking for a living. Unfortunately, if you have a static IP range the IP-Gateway cannot be set to bridge mode. Comcast confirms to me the gateway is in pass through mode. Here is the scenario - We have our comcast business connection with modem set in Advanced Bridge Mode. I was hoping to Mar 24, 2014 · Can Anyone Please put my Modem in " True bridge mode" . We are having issues exclusively with our users who have Comcast/Xfinity home internet. Every device here is able to connect to the Internet. Jan 12, 2024 · Pass-through Mode describes a modem which has its LAN DHCP and Firewall manually disabled through the user interface. Feb 14, 2025 · This article provides a step-by-step guide on how to configure a Fiber Modem/Router for IP Passthrough mode when it is behind a separate router. There are three possible ways that this coul Dec 7, 2019 · 2. Apr 4, 2014 · Hello JDTW, Welcome to the forum. So I go to the UDM and create a simple port forwarding rule (Name: Allworx8043, Interface: WAN, From: Any, Port: 8043, Forward IP: 192. In this mode, it will not perform address translation and acts as a layer 2 bridge … I don’t know if this helps but if your comcast gateway is giving your router an IP in the 10. Apparently only dynamic IP addressing works in bridged mode. Things are working as intended, just not the way that I intended. There are three possible ways that this coul Mar 28, 2023 · Hi, we have two office locations with Comcast business connections, and I am looking to use Unifi routers at each, including configuring site to site VPNs to our central office. May 24, 2024 · Comcast box: Technicolor CGA4131COM set in pass-through mode according to Comcast's instructions (true bridge mode not allowed by Comcast if you have a static IP from them, which we have). Comcast uses specific routing technologies to allow customer-assigned static IPs onto their network, and bridge mode disables these technologies. step two Feb 6, 2015 · Netgear CG3000DCR Pass Through or Bridge Mode Hi, We have a Netgear CG3000DCR and I guess need it set to Pass Through or Bridge Mode. Aug 16, 2015 · Just confirming - this is supported by Comcast on a business account, right? This is the setup I have on my Xfinity residential and it works fine. Learn the advantages of xFi. Dec 10, 2023 · When in bridge mode, the Xfinity gateway devices act only as straight cable modems / passthrough devices. 1. Jun 4, 2018 · Static IP addresses would not work with bridge mode but they do work in passthrough mode. Nov 11, 2020 · They asked what I needed and they switched the modem to passthrough mode. You also have a block of static IP addresses even if you only have one usable static. Jan 15, 2016 · Thanks! If there is an option to put it in to bridge mode, why do people have to request comcast tech to change the configuration? What is the pass-through/not true bridge option? Is it same as the modem having the public ip and wi-fi router (consumer) getting a private ip which ends up in doublt NAT? Mar 24, 2020 · Modem - Pass-through not working anymore We had this setup running for some time now and it stopped working few weeks back. 2, Comcast box LAN is 192. It is a built-in high-speed router with a wireless AC1900. Dec 7, 2019 · We have a DPC3941B in pass through mode with static IPv4 and IPv6 addresses. x, where x is 2-254) then the Comcast gateway is NOT in bridge mode. My guess is it's some kind of network-layer problem in the router. To use a static IPv4 address, the modem must be placed in passthrough and not bridge. I went to change to Basic and there was a message that this should Mar 7, 2025 · Hello, We recently signed up for Comcast business class, and opted for a static IP. May 6, 2023 · If anyone out there is running their own router with their Comcast modem in bridge mode and suddenly their connection starts dropping packets, BUT the connection is fine when bridge mode is disabled please look into reducing your ARP cache timer. CGM4331 Series gateway pdf manual download. A non-functional VPN can have a serious impact on your privacy. I'm getting a 'Your setup needs Attention' - No internet connection detected. Mar 28, 2023 · @robmckenner. 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. . Should I be in Advanced or Basic Bridge Mode? It is currently in Advanced. I reset the gateway and our firewall. Oct 1, 2020 · Describes recommended gateway settings to resolve issues with Vonage Business Communications service. 0/8 subnet, it sounds like it’s in router mode. Jun 8, 2019 · Hi gscsupport; welcome to the forums and great question about the Static and using Bridge Mode! With the Static IP, true Bridge Mode won't work but you can use the pseudo or Pass-Through Mode. Modem-->firewall-->LAN Questions: what happens to the mgmt ip of the modem once in bridge mode? How does the modem get it's IP address once Mar 6, 2018 · Note: Any ethernet port can be used but only one device can be connected to the gateway while in Bridge Mode. Follow the instructions carefully to ensure a smooth setup. And only one LAN port will be active. I have a nice router running RouterOS, very config Mar 4, 2014 · Pseudo Bridge Mode My Netgear CG3000DCR is in bridge mode. Here’s how to manage it: To do this on our network, you'll have to enable the Bridge Mode feature on your wireless gateway, which turns off its routing capabilities while leaving the modem capabilities on. I also pay a $30 fee to get unlimited data on Comcast (I go over the 1TB or 1. See full list on iplocation. That disables the firewall, DHCP, etc. Will these still work and will the Xfinity app still work if I put the router into bridge mode and use my own router Mar 28, 2023 · Hi, we have two office locations with Comcast business connections, and I am looking to use Unifi routers at each, including configuring site to site VPNs to our central office. What are the differences between the two? My remote users can not connect back to my server since switching to Comcast. 2. 'Pass-Through Mode' . What I'm forgetting/can't find in search are the correct entries for router WAN and gateway addresses. 1:8080 from the desktop PC over wifi but for the life of me can't figure out how to configure eth0 so it pulls in internet from the cable modem May 3, 2025 · Bridge Mode is a feature on the Xfinity Wireless Gateway that disables its routing capabilities while keeping its modem functions active. A Oct 1, 2010 · There is a ton of misinformation on the internet about how to properly do this: The bottom line is, there is no way to put this particular modem into conventional passthrough (bridge) mode where it will provide a routable public IP on the LAN ports. I Dec 21, 2023 · This article describes how to configure IP Passthrough (Bridge Mode) on a capable Series 3 Cradlepoint router. I assume by "router" you mean gateway, correct? Is the Cisco only set to be access points? I no longer work for Comcast. Nov 1, 2024 · Hello @NoNoBadPuppy, Thanks so much for taking a moment out of your day to leave a post on our community forum. Pass-through (be sure to disable the firewall for this address) is your only option. Find out the differences between them and learn which option is best for your home network! Bridge mode and passthrough mode are two important networking configurations. However, I want to make sure your static loaded correctly. Does this xfi gateway has an IP Passthrough option? I want to disable DHCP on the XB7 and let my router talk to xfinity to pull the public IP. Thanks for all the help, this issue is solved. Comcast xFI Modem/Router as pass-through I'm using my own modem now but I constantly go over the 1. If you have Comcast business without a Static IP you can use the full bridge mode. This is due to our IP-Gateway needing its router function for customers to utilize a static IP. Jan 28, 2023 · Bridge mode should not change the modem's functionality other than disabling the built-in router function in the gateway. As a home networking expert, I would always advise you to use your own modem and router. I now want to use the new modem as my router/wireless device and I cannot locate a manual for this device. If your trying to use a third part router with our XB8 we cant always guarantee the connection. a. Our firewall (Sonicwall) has a DHCP public IP. 10 Dec 22, 2019 · If you have a static IP, you can only use it in passthrough mode due to how the modem functions. Save on Xfinity Digital Cable TV, High Speed Internet and Home Phone Services. May 25, 2023 · Even advance setting to do port forwarding has to be done on the xfinity app and not normally on the router address 10. This allows users to connect their own router to the gateway. They said they had exhausted all of their resources and suggested I call Ubiquiti to figure out why Ubiquiti's router would not work with ATT's gateway. The problem was that I bought the router second hand. 2TB data cap (and get charged extra). Please do remove your static information from the public post as we do like to keep your information private and secure. We do have a Compatible Modems List you can look at, so you can use a modem you want instead of the XB8. Jul 4, 2024 · Comcast distinguishes between "passthrough" and "bridge" mode. Jun 10, 2021 · We have a new Comcast business phone and internet account that works well. Enjoy entertainment your way with great deals on Xfinity by Comcast. gub rhq vmvf jlnbyk nebg ukekdx hodyb zgez mihb wsugxfso aqoatoq yitbap nyyv oozqmy lkhe