Can I connect two routers to the two ports on the Motorola MB8600, both with DHCP/DHCP6 configured? I don't have any static IPs available. I don't see it working, unfortunately especially on the 2nd port of the MB8600.
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Motorola MB8600 connecting two routers with DHCP/DHCP6
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Motorola M8600 Comcast Business 150Mbps/20Mbps service showing significant bufferbloat (Grade F)
Just activated the motorola mb8600 model with Comcast Business and is showing Grade F for bufferbloat. I connected a Ubiquiti Alien router and measured with a wired connection and get a grade F for bufferbloat. My video sessions have been very pixalated as well as lossy. I don't see any menu to check this on the model. How can I fix this bufferbloat happening somewhere?
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Reset cusadmin password to default please
Reset cusadmin password to default please
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SMC Gateway
Hello, Need to access the SMC Gateway settings but do not know the password/login. I point my browser to 10.1.10.1, but I'm stuck there. Thanks for the advice.
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I need to have the cusadmin password reset.
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Range Extender options for Technicolor CGA4131COM / Comcast Business Router
I need to add a range extender to my CBCI-provided Technicolor CGA4131COM / Comcast Business Router.
Do you have a list of supported Range Extenders that I can DIY, or do I need purchase/lease a Range Extender directly fro Comcast?
thanks
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cradlepoint AER1650LP4 - DMZ
Hello,
I would like to give my whole network full access (via DMZ) in order to make proper port forwarding. I can't login to the cradlepoint modem/router and can't figure out the setup to give DMZ to my network.
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New Modem
I recently upgraded my modem to an Arris Surfboard SBG7400AC2 and have been experiencing daily drop out for approx 5 minutes multiple times during the day. There is no pattern, it could occur any time. I think when the new modem which is a docsis 3.0 was enabled it may have been put in incorrectly in your system because it reports back on the upstream side as docsis 2.0 (there should also be 8 upstream sessions and it's only reporting back 4) please see below
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Router trouble
Hello,
My church has comcast business internet with a technicolor DPC3941B gateway. There are several devices connected directly to the gateway, but there are also two consumer wifi routers that we have connected to separate out some specific network devices into their own network (as well as fill in some dead spots in wifi coverage). For example, one of the routers is in our auditorium and has cameras, projectors, and a few other things with static IPs connected to it.
When we arrived today, both routers were unable to connect to the gateway. Any computers/devices that connected directly to the Comcast gateway worked just fine and had internet access. But both routers could not connect to the gateway and thus no internet access. We reset both the gateway and the routers, and nothing was fixed. We ended up bypassing the routers for a few important devices and got through the day, but we're trying to figure out what changed. Does anyone have an idea what to do?
Also, is the login info for the Technicolor gateway cusadmin/highspeed? I tried this combination earlier, but did not work. In searching the forums I see that I need to be directly connected to the gateway, and I'm not sure if the computer I was using was directly connected so that could be it.
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TLS Handshake error / VPN issues
Before switching to Comcast Business I used the residential internet. My Netgear router had a openvpn client that worked great. After switching to Business internet the VPN no longer works. I get a TLS handshake error. Working with Open VPN provided no support since the vpn is a "community" product. Working with Comcast Business support resulted in an email with a link to a document on changing the Comcast modem to bridge mode. I have set the modem to bridge mode, turned all the firewalls off and still the VPN will not work.
Reading in these forums leads me to think that the issue is the Cradle Point back up device. Our set up is modem connected to the modem is the Comcast Phone appliance and Cradle point, the Netgear router is plugged into the Cradle Point.
When searching for my public ip I get a 192.119.178.xxx address. But my router is getting a 192.168.165.xxx address. With no access to the Cradle Point I am blind to what is happening.
I need to be able to be away from the office and remote back to a couple machines. Any help would be awesome.
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Modem or Network possibly blocking access to Samsung TV Plus
I recently subscribed to Comcast Business (8/28). Since the installation, my Samsung TV has been unable to stream the Samsung TV Plus channels. They worked flawlessly with Xfinity residential. I even had my TV connect to my cell phones hotspot and, the Samsung TV Plus channels work perfectly. Which appears to point to Comcast Business. However, I contacted Samsung technical support to make sure it wasn’t something on their end. They had me perform a cold boot of my TV, they had me perform a reset of my TV, they had me perform a network reset of my TV, they had me unplug my TV for more than 20 minutes, they had me change the DNS settings on my TV to use 8.8.8.8 and they had me separate 2.4gHz and 5gHz into separate SSIDs and insure the TV is connected only to 2.4gHz. None of these attempts corrected the problem. Yes, my TV is connected to the internet and it can access Netflix, Amazon Prime Videos, YouTube, etc.; however, when trying to select one of the Samsung TV Plus channels, it fails to connect and gives an error about checking network settings. Just wondering if there are any ideas on how to resolve this issue. By the way, I did inquire with Samsung if the service uses specific ports and their response is that if the TV has access to the internet, the Samsung TV Plus service should work.
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ConnectionPro not set up?
Hey folks,
I'm trying this route as no one has called me back on the dial-in side for over 1.5 hrs (and counting).
I've experienced 2 outages in 2 days and in both circumstances I had no Internet access. One situation was especially embarrassing as I was on a call with a prospect and the connection dropped. By the time service was restored, I lost the business.
During yesterday's outage, I tried to figure out why the Cradlepoint AER1650LP4 device was not providing me with an alternative connection. Luckily, I have a MiFi device, but it is terribly slow because of weak signal (20K). But it gave me something.
I used it to go to the Comcast Business portal and checkout Connection Pro settings. However, when I access that page, I got a message saying that the device is not plugged in. Strange, since it is and lights are glowing.
But I had no idea what some of the lights meant and found information on that at the Cradelpoint site. What I found is that the antenna light is a solid amber (yellow) and the modem light is dark. From documentation there is no solid amber, but a blinking one. It should be green or blinking. But amber color represents a "data connection error." The dark modem light means that there's "no modem detected."
So, the installation engineer left before the device finished its "configuration" and connection with a cell provider. He waited for about 30 mins for it to "do its thing" but left to go to other calls. He assured me it's working. And I had confidence that it was. But now I'm thinking that it never worked. It's not showing up on the portal.
How can I get support? Is this device not set up still? or is it defective? And should it broadcast a wifi signal. If so, what is the SSID and how do I connection that network? How can I test the connectivity of a fail-over?
Bottom line, how do I get support that's timely and interactive? Asking on a thread like this doesn't seem to be the right forum.
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New DPC3939B modem - "Stealth" WiFi activation.
DOCSIS Software Version:2.3.10.13_5.5.0.5
Software Image Name:DPC3939B_3.9p18s1_PROD_sey
Advanced Services:DPC3939B
Recently "upgraded" to this modem to resolve some packet drop issues.
I run my own firewall and WiFi access point, so I set the modem into "Bypass" mode, disabling all unneeded services.
When the modem was first installed this past Monday (the 31st), all was working as expected.
As of this morning (the 5th), I see the WiFi indicator light flashing on the front panel.
On checking the configuration - both WiFi bands in "Gateway > Connection > WiFi" are showing as "Disabled" and "Gateway > Connection > Status" says both bands are "Inactive".
However, "Gateway > At a Glance" shows WiFi as "Green Check" and I can see the modem broadcasting the allegedly inactive 5GHz SSID.
Connection to the SSID is possible with no password.
A reboot does not change the status of the WiFi.
Setting the modem into "Bridge" (Advanced or Basic) mode does not change the status of the WiFi (though it does "grey out" settings).
This is a significant security concern as I do not want or need uncontrollable and unrestricted WiFi into my network.
Can someone explain why this is occurring and how to fully disable WiFi on this modem?
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Installing a WRE with a business line - how to?
Hi, I was wondering what my options were in terms of using WiFi Range Extenders. We have a business line for our 4 story house where the modem is stored in the basement, so we're obviously experiencing some connection issues as the signal moves upwards.
We had a WiFi Pro on the second floor, but it has stopped working since we reset the network and we'd prefer to not have one network.
Would something like the Netgear Nighthawk Mesh X4S (EX7500) be compatible with the business line? And how would I install it myself?
Or would something like the xFi Pods be a better deal/value?
I tried talking to customer support, and they offered me nothing except another WiFi Pro.
Please advise, we are dropping our Zoom calls as teachers!
Thank you
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'cusadmin/highspeed' login not working and can't access admin tool
Hello,
I am unable to access my router's admin page using the generic 'cusadmin/highspeed' login.
It has not ever been changed. I need to access the router to set up some port forwarding.
I cannot do a hard/factory reset of the router, as I would lose my static IPs by doing so.
Can you please assist?
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Not getting 1gb speed CGA4131COM Cable Modem
The CGA4131COM only has 1G ports on the back what would I have to do to get a full 1G speed?Does this modem support link aggregation? I am not seeing the option in the menus. Does Comcast Business have a modem with 2.5G or 10G ports?
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Cisco Modem Losing Upstream Lock
We upgraded our service back in July and that upgrade required our modem to be replaced. Now, I've been battling this for 2 months now....
Every day the modem loses it's upstream bond and eventually restarts on it's own to start the ranging process again. This is not acceptable, especially when we are trying to process a credit card transaction and the customer must wait up to 10 minutes while the modem reconnects.
The service techs have replaced the cable coming to our building as well as the modem itself, but it still continues.
If there is some way this could be escalated to be traced at the head end or farther down the line, it would be appreciated.
Log of outages:
Monday August 3rd - 1:20pm
Tuesday August 4th - 1:30pm
Thursday August 6th - 1:51pm
Thursday August 6th - 6:30pm Reboot for unknown reason
Monday August 10th - 12:33pm
Tuesday August 11th - 6:39pm
Thusday August 13th - 8:17pm
Friday August 14th - 2:18pm
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Saturday August 15th - Service tech
Checked cable by modem
Installed filter on TV cable side
Said to disconnect TV cable if still happening
Said now on device watch
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Monday August 17 - 3:14pm
Tuesday August 18 - 5:11pm
Wednesday August 19 - 1:01pm (removed TV cable)
Monday August 24 - 1:07pm
Tuesday August 25 - 1:11pm (removed splitter - cable now direct to outside)
Wednesday August 26 - 1:30pm
Wednesday August 26 – 2:51pm
Thursday August 27 - 1:43pm (called - recording said work completed recently - restarted modem[unplugged/plugged back in] as instructed)
Friday August 28 - 1:50pm (called - agent rebooted remotely - told there are a lot of outages in area)
Saturday August 29 - 2:19pm (called - 25 to 30 minute wait - hung up)
Sunday August 30 - 10:45am
Monday August 31 - 4:55pm (called - setup service call)
Tuesday September 1 - 5:00pm
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Wednesday September 2nd - Service tech
Checked cable from outside and by modem
Said replaced ground block outside
Replaced modem
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Thursday September 3rd - 3:55pm to 3:56pm
Friday September 4th - 3:42pm
Monday September 7th - 7:06pm
Tuesday September 8th - 1:07pm
Wednesday September 9th - 1:11pm
Thursday September 10th - 1:16pm
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Thursday September 10th - Called and escalated
Friday September 11th - Service techs (2)
Gave screenshots of problem to tech
Replaced cable from pole
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Saturday September 12th - 4:30pm (upstream lock lost)
Monday September 14th - 4:35pm (upstream lock lost)
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Do I need to set my gateway to Bridge Mode?
This morning I called into Comcast support and had a technician remove the static IP address on our service. I wanted this because a few weeks ago I found out that the Cradlepoint 4G backup does not work with a static IP. Once the static IP was removed, I reset the WAN interface on our firewall to DHCP (it was configured with our static IP previously). I am not 100% sure, but I could have sworn that the firewall then pulled the same IP that was on the gateway.
The tech was having some issues so we reset the gateway a few times. It may have even been factory defaulted. I don't know when it happened, but now our firewall has a 10.1.10.x IP address from the gateway. Nobody is able to connect via VPN. I am using a DDNS record for VPN. I can ping the DDNS record and it shows the gateway IP correctly. I really think that the firewall needs to somehow have the same IP address as the gateway.
I called in a second time and the representative I spoke to suggested pass-through mode by disabling the firewall (on the gateway). This did not work. She also suggested that I try port forwarding. This did not work either, but I will admit that I was unsure what settings to use. I just guessed at using HTTPs, forwarding to the IP of the firewall and using port 443.
Can anyone tell me if enabling Bridge Mode is what I need to do to make VPN work again? Or can you at least tell me if it will give my firewall the same IP address as the gateway? Sorry if this message is too long. I just wanted to provide as many details as possible.
Thank you.
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Bridge Mode inbound/ingress traffic issues
Hi, I recently received a speed upgrade to my service which came with a new Comcast supplied gateway. Previously I had been running on a modem I supplied. I was happy to see I could enable bridge mode for my service (I do NOT have static IP service). I set the gateway to bridge mode, plugged my laptop in directly first and viola! I had a public IP and blazing fast speeds. The tech left and I unplugged the laptop and plugged in my ASUS wifi router (3rd party). It too got a public IP form Comcast and all my outbound traffic worked great! Still blazing fast. We run a couple of simple web sites locally and have port forward rules setup on the ASUS router for forward port 80 and 443 to the appropriate server. This has worked great for the last 10 years and I had anticipated no problems with bridge mode enabled. Sadly that is not the case. While I can ping the IP my router receives, no web traffic is being passed through. I thought it could be something funky with the router connecting to the bridge mode. So I called tech support and unplugged my router from the gateway, and plugged my laptop (firewall disabled!!!!) into the gateway device. I spun up a simple hello world web service on port 80. Alas, still no traffic forwarded to my public ip that my laptop received! 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.
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. Double NAT and 1-to-1 NAT sound horrible and make my DDNS solutions less than elegant. HELP!
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Comcast, help two of my customers.
I have participated in this thread and you resolved his issue, I'm having the same issue at two locations with the same modem.
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