MX64 and Bridge Mode with Comcast Business : meraki Put xfinity modem in Bridged mode, save and reboot. #4 Now in the third router, setup it WAN IP to be Static in the same subnet as the as the the device that is in bridge mode . I'm making this post to talk with other Comcast business customers to see if they have a solution to this horrendous system I'm stuck using. Use static IPv6 addresses on a router behind a Comcast ... ASA 5505 with Comcast - Cisco Community Site to Site Q: Do customers need a certain speed tier to purchase Connection Pro? Comcast Business Comcast Confusion and Bridged Mode - Networking - Spiceworks It’s available for all speed tiers with a Comcast Business leased modem. The Netmask is 255.255.255.252. Comcast Device (SMC8014) WAN IP: 50.x.x.238. Depending on the sales guy you get or how much you bitch, you may be able to get them to discount it. You need to call Comcast Business and have them "load the static"s into the Comcast-owned modem, then put it into pseudo-bridge/passthrough mode. Unfortunately, widely reported is a problem with bridge mode where the xfinity router stops communicating with the home router. The reason I started this thread in the SWITCH area is because apparently Comcast will not allow you to put their router in bridge mode. I've gone in to the tp-link interfaces and setup WAN 1 to a static IP on the local subnet for each site. After a few minutes, the 5505 stop passing web traffic. Answer (1 of 3): Ask for a static IP address from Comcast. I currently have a Comcast Business IP Gateway, SMC8014, connected to a switch with multiple PCs. Click OK Confirm Bridge Mode screen on Comcast Business Wireless Gateway **Note**: the Cisco 3939B BWG cannot support WiFi in bridge mode. Password: password (case sensitive) Note: If you previously changed your Admin Tool password, use the new password to log in. Make sure that the devices that are to receive a public IP address are directly connected to the SBG6580's Ethernet ports. A true bridge mode and a passthrough bridge mode. This allows traffic to pass through the modem to a routing device and can be used since you have a Static IP address. If you have to talk to Comcast, ensure you are talking to the business support department since they will actually understand what you are trying to do. No address, no gateway, no firewall, no NAT, no nothing. 3. Eventualy we will have a proper server hosting a web site and all business applications but for now we wish to be able to access each others programs and files such as quickbooks and accubid estimating software. Hi, I am Comcast Customer with an ARRIS TG1682G Gateway/modem in Bridge Mode. If I put the modem/router in "bridge mode," it forces me into a single DHCP address, and that is as expected per Comcast documentation. I've got a Comcast business connection with a static IP that I'm finally getting around to setting up. You’re pretty much stuck using their gateway and they won’t put it on bridge mode. The Comcast equipment is a Cisco type-BWG model-DPC3939B Business IP Gateway. Do you have a static ip? Additionally, if you want to have static IP addresses, you cannot put the IP Gateway in bridge mode. I have 5 static Ip's is there away I can set up a router between SMC my Switch. Just like an old dial up modem. The Gateway is X.X.X.102 Setup static routes inside any to modem gateway. Have Comcast provision the modem in “virtual bridge mode”. Anyway, I have port 0/0 into the modem, and have AE Extreme into port 0/1 of the ASA. Anyway, I have port 0/0 into the modem, and have AE Extreme into port 0/1 of the ASA. 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 1.1.1.1 because this ip address is gateway for all other static ip address from my pool; Me need connection all my devices between my router Now I want to add a PFSense box for a second fully separated network. However, the Comcast gateway downloads a Comcast specific custom configuration file upon booting. I have a new Netgear 7000P (V1.0.0.58_1.0.50) that is connected to that gateway.When I installed it about 6 weeks ago, it would not get, or the gateway would not give, an IP address. True Bridge Mode on DPC3939B for comcast business. Not to block anything not to filter anything not to change those packets in anyway. I put it in bridge mode and configured the public static IP address on the public side of a Sonicwall TZ400 (X1) and set up DHCP for a private subnet and forwarded a port to a test machine inside. A: No. Tp link at site A wan1 is set to 10.1.10.215 and site b is 10.20.30.233 On both comcast modems I've setup port fowarding for the respective static ips of the tp-link devices so that ports 4500 and 500 UDP are open He also has 5 static IP's and pays like $15 a month for them total. No way to get the actual ip on your routers wan just an internal ip. Tc8305c bridge mode trying to connect netgear. However, Comcast/Cisco made this very special router/modem with LAYER 3, SIP INTERFERING BRIDGE MODE. When they supply it, it should come with a gateway address and a netmask in addition to the static IP address. The modem has to be bridged before connecting to a router since applications like VPN, P2P, and remote management require a public IP Address on the router WAN port for a successful connection. If, for whatever reason, a router being connected between the Comcast Gateway and the rest of your LAN does not automatically update the Comcast Gateway’s routing table with its LAN information, use the Static Routing setup page on the Gateway to manually add that route. Jan 16, 2018 at 11:29 AM. internally, this side of the modem, pfSense is assigned an IP via DHCP - i.e. You'll find different credentials are necessary to access the main router dashboard. You were given a gateway IP and it is ALSO the static IP for the public side of the Comcast router. 24.n.n.n is the Comcast modem WAN address. 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 static IP. Comcast has our modem in what they call a virtual bridge mode. what they told me and what pfSense reports as the WAN IP - i.e. I know I have C business class and I am using a Cisco 1921 ISR G2 with IOS Zone Firewall and the SMC is just in vanilla cable modem mode. If you're looking for non-business login instructions, visit our residential Comcast router login guide. Thus I need to reconfigure the Comcast Cable Modem/Router to act just as a Cable modem. We are more than happy to help answer or address any concerns. http://forums.businesshelp.comcast.com/t5/Equipment-Modems-Gateways/True-Bridge-Mode-vs-Pass-Through-Mode/td-p/21260 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 just got setup with comcast business class internet (verizon wasn't available ) and i have a static IP. Last time I called, I had to explain networking to them and they argued with me that I "had IPv6 address and that it is my modem's hardware address" and "everything looks fine on our end". In the firewall and NAT rules on the Sonicwall, setup the ports (Sonicwalls actually have a handy wizard for this): When the business’ primary Internet is restored, Static IP will reestablish itself. Detailed listings of compatible devices for Business Internet are available here. they give you a modem/router box and i was wondering what to do as far as opening up my network so i can get my server public facing. I previously had residential HSI which had the modem, then a Linksys router, then a SBS 2003 server with … Connect with Comcast Customer Experts, Official Employees, and other Community members for tips and help with your Comcast Business products. I want to add wireless so I want to add my own wireless router (using a Netgear WPN824). Location 1: Static IP / Netgear router (Business class internet) Modem is configured in bridge mode. Hi and Thank You in advance. They do not do bridge mode on their modems, thus the traffic destined for your business connection isn't hitting your firewall. With it, you must use the Comcast Business IP Gateway (a fancy DOCSIS 3.0 modem, in this case a Cisco type-BWG model-DPC3939B) if you want to have static IP addresses (your own equipment is only allowed with a dynamic IP address). According to this reddit post, Comcast has to use LAYER 3 BRIDGES as modems for their static IP business clients, it just happens that their Cisco bridge has SIP ALG enabled by default with no documentation saying so, and no way to disable it. I am trying to determine why Comcast Business Class modem configured with a static IP (IPV4) works with a laptop or Linksys Cable modem but not with a Cisco ASA 5505. With Comcast Business and a static IP address, you can't actually use Bridge mode. Forum discussion: At a site I manage with Comcast Business I need a static IP but I also need the modem bridged. I've never tried to figure out exactly what Comcast does, but basically the modem needs to pass your traffic differently to the head … 4. Open a web browser, and go to the Admin Tool at 192. - Cisco RV042G router *. Before Comcast reads this and goes to reply PLEASE I already know with your system with a modem in bridge mode static IP is not possible on a device behind the modem. It's readouts show … Comcast does not block ports and they do not secure any transmission with that gateway in bridge mode. We had comcast issue us a static ip address for each location. Called Comcast and for some reason 'the block of IP's you were issued are no longer valid on Comcast's network" They issued me new IP's, but I cant get anyone in from the net (RDP, RWW, OWA, VPN, PCanywhere, SMTP) I have the 'new' static IP set on the SMC (new gateway, subnet and DNS as well) but still no luck. The pfsense router is configued with my first static ip address, subnet mask (255.255.255.248) and the SMC public ip as the gateway address. Calling Comcast for help is painful. Bridge Mode means turning off all features and using their (AT&T's) router as nothing more than a "pass though". One of my coworkers runs a business/site out of his home and despite having all his own equipment, they make you use their gateway but you can put it in bridge mode. As a Comcast Business Internet customer, you have the option to purchase a cable modem to use with your service in place of the Comcast-provided gateway. If you assign a static it will route that IP to that device, if … Comcast seems to not care about the bridged network as much. Next to Bridge Mode, click Enable. Basically, the DMZ option (left menu) offers you identical functionality. The Comcast Business Xfinity hardware is set up a little differently from home use devices. Thanks Tom. The Comcast IP Gateway incorporates a packet inspection firewall, where all messages on the internet pass through. Whenever comcast changes customer ip address, the modem does a reboot, and I am forced to contact comcast tech line to have modem placed in bridge mode, in order to use own wireless router (R7000). No changes are required to the Comcast business gateway. Otherwise, keep reading! I was have a few questions about this.. IP Address: 192.168.1.2 Subnet Mask: 255.255.255.0 Default Gateway: 192.168.1.1 DNS #1: 192.168.1.1 #5 Now you can connect the WAN port of the third router to the LAN port of the as the the device that is in bridge mode . In the public IP is passed directly to only one connected device, multiple connections to additional gateway LAN ports will create an IP conflict." Because of Comcast's stupid rules, you cannot put the modem into bridge mode because it will wipe your static WAN IP and you HAVE to use their modem. We only use Comcast/xFinity for Internet, not for TV, Email or anything else. Be sure to initially turn off remote management of the router even if you want … There was only 1 static IP assigned. It's … In the firewall and NAT rules on the Sonicwall, setup the ports (Sonicwalls actually have a handy wizard for this): We know the effects of COVID-19 have been drastic and we are here to help. All static IP's in the block will have the same gateway IP - which is the ACTUAL ip address of the comcast modem itself. ISA570W static route to Comcast gateway/modem. As an aside, the Comcast bridge isn't entirely transparent, the Modem retains its IP address (10.0.0.1) to which I can connect via http and reconfigure (fortunately) when I attach a laptop directly to it Port 1 on the Modem. When I installed it about 6 weeks ago, it would not get, or the gateway would not give, an IP address. You need to contact Comcast business. Comcast seems to not care about the bridged network as much. I have a Comcast 'business' router. I believe this is a static route question. According to this reddit post, Comcast has to use LAYER 3 BRIDGES as modems for their static IP business clients, it just happens that their Cisco bridge has SIP ALG enabled by default with no documentation saying so, and no way to disable it. A static IP address is manually configured. Enter the default username and password: Username: admin. Here is my setup. Setup static routes inside any to modem gateway. Sometimes, you may wish to use your own router instead, and have your Comcast Gateway act simply as a modem. This is where static routes come in. I am able to ping the default gateway even though I can not surf the web. Sounds like the best way would be to put your Comcast modem/router into bridge mode, then get a business class router/firewall (I like Sonicwall) and configure the WAN interface with your static IP addresses.