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Comcast Gateway Modem

When I set up my comcast business service I wanted to use my own wireless router. But now this is becoming problematic. How can I get a Comcast wireless gateway. Can they ship one for self installing like residential service did?

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Comcast can't/won't activate my SB6141

Well we got Comcast Business Internet about a month ago. Soon found out the DPC3939B did not play nice with our 3rd party VOIP system. We also did not want to pay the rental fee for the modem. So we purchased a SB6141 the other day and for two days straight I've called Comcast Business to activate i

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Unburied cable

Just had tech redo cable that used to be aerial and he just used underground cabling but it is just exposed is there someone supposed to bury it otherwise I want it back to aerial can’t be in the backyard exposed

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Curiosity question: got 2 modems installed - why?

Hello, out of curiosity: today Comcast installed Business Internet plus Phone. The phone has it's own Arris CM820 modem, which then connects into a Panasonic deivce that provides a wireless link to the phone. The Internet comes via an DPC3941B, which seems to have (unused) phone connectors. My quest

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Port Forwarding

I have setup port forwarding in my modem in order to view some security cameras from outside. I was unable to browse to those cameras and I went to the canyouseeme.org website and it appeared that those ports were not open to the public. I called tech suport and a gentleman checked everything in my

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Web server behind Comcast modem (Loopback issue)

I am trying to setup a web server running behind a comcast modem. We can access it from outside our office network. But, if we try to access it using global ip from local area network, it does not work. I guess loopback occurs and we cannot see it. We can access it using local ip instead of global i

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16K

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Lost Static IP

Co-worker put our Router into Bridge Mode, to get it out of bridge mode he did a reset and now we have lost our Static IP. How do we get it back? Also like many here I have DPC3941B, I want to use Bridge Mode but as my co-worker found out you lose your static ip in Bridge mode. My DPC3941B does not

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1.3K

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Need a custom PTR /Reverse DNS record setup for one of our static IPs

If at all possible, we'd like to have this record in place in the next day or 2 since we are failing PCI compliance scans due to the generic PTR record being in place.

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Migration is a DISASTER, need some real help not a script reader

This o365 migration has been my worst experience in 20 years in IT. The cord was simply pulled on our previous email server. We got the accounts moved to the new platform but none of our contacts, old emails, or calendars have been migrated. When I call the migration line they essentially tell me to

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Microsoftce 365 domain confirmation

Greetings! I need to verify ownership of bneurology.com for use with Office 365. At my DNS hosting provider, please create a TXT or MX record for my domain using the following information: To create a TXT record: How do I get the comcast free domain site hook up with this domain?

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Cannot get through to Customer Service / Technical Support

From the start ,I do want to say the 75 Mbps service delivers the kind of speed I was looking for. So on that score I am a very happy camper. Now it is time for me to be looking into the software components that are part of the plan I signed up for. I wanted to get some information on these products

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3K

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domain and email addresses transfer

I finally got our existing website servers pointing to Comcast. I went in and made all of our exisiting email addresses. What do I do now to ensure our email is going to work with Comcast. I am afraid of turning service off with Windstream because I don't want to lose the email addresses.

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Unexplained outages and packet loss

Posting this under its own thread with updates. I had an unexplained 8 hour outage and morning outages over several days last week which prompted me to start inspecting my uptimes and packet loss. See https://secure.dslreports.com/r3/smokeping.cgi?target=network.1bc86f75dc1ddfd6b583ac439d748c53.CA1

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SMTP service issue: connection refused and 421 service unavailable

I've been using SMTP to send e-mail from systems outside of the Comcast network through Comcast's hosted Exchange for almost 3 years now without any issues. Until recently, I'd just aim the external system at the SMTP server address listed on the DNS page in my account (smtp.po1.comcast.net) on port

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Arris SB6141 connected to switch. How do I find address list of connected devices?

We have a small business with about 8 computers and 2 printers. Prior to getting Comcast we had AT&T Uverse whose router address was 192.168.1.254. The Uverse modem was connected directly to a Netgear 24 port network switch. All the connections are then sent through the office to the various devices

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Re: Can't send email using my own server to comcast.net email addresses

Dear Comcast Support, I cannot send email to Comcast.net address. Could you please to support us on this issue? I am using Exchange Server 2010 My Mail server: mail.cladtek.com IP Address: (edited for account security) Thanks, Ernawan

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My channel line up

When I go to My Services - TV to see my channel line up I get the error "We're sorry, but your exact channel lineup cannot be displayed at this time. Please check the menu on your TV for more information on what channels are available to you." I created my online account 3 days ago. How long does it

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192.168.1.1 gateway

Our router is set to 192.168.1.1 (changed from 10.1.10.1) I used to be able to access the admin and now it just times out.

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Equiptment Fee

Did the equiptment fees go up $3.00 Sept of 2014

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DPC3939B availablity

I currently have a SMCd3g and am on the 100/20 plan with 5 statics so i was wondering if the DPC3939B might be available in the houston area yet? and if not then when?

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