Your best bet for answers is to ask your questions in the Comcast Help Forums. The networking/connection experts should be able to answer them and guide you through the process if you have any issues.
Don't be surprised if they tell you the combo gateway is not a good idea.
Here is my canned speech for Comcast forums:
I suggest you post in the Comcast Help Forums
. If nothing else, your issue can be escalated to the forum administrator who can set the wheels in motion for a resolution.
Those Forums are provided to Comcast customers, and are a great resource for vendor specific issues. There are Forums for computer issues, email issues, security, internet, cable tv, CDV, billing, and customer service.
Many times we, the users there, can provide answers tech support and customer service can't.
Click the link below. The forum landing page will open. Click Sign In
. Log in with your Comcast user ID (the part before .net) and your password
. You will next see a first time forum users page, asking you to choose a screen name for use in the Forums. Once you set that up, you'll be taken back to the landing page. PLEASE DO NOT USE YOUR COMCAST EMAIL NAME FOR YOUR FORUM USER NAME
Before posting, take a moment to read the Posting Guidelines
. The link is on the top right hand side of the page.
Then choose the appropriate board to post in. In your case that would be Networking and Router Help
One thing to be aware of: By default you will be notified via email every time someone replies to a topic you have started or replied in. If you do not wish to receive the notifications you can disable them by clicking My Settings/Subscriptions & Bookmarks
the box next to Automatically subscribe me to topics I participate in
. Scroll down and click Save
(Once you get to the forum, save the page to your favorites/bookmarks. If you want to get to it from the Comcast home page, you have to jump through hoops to reach it)
If you have any questions about CHF, feel free to pm me here or there. My user name at Comcast is the same one I use here.
Edited by Queen-Evie, 07 September 2012 - 10:26 AM.