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1. Basic Comcast things
Note: Depending on how many splitters are installed, some cable jacks will not have acceptable signal levels due to the number of times it is split. *This FAQ is based on user knowledge from a volunteer core of BroadbandReports' members. This FAQ in no way constitutes official information from Comcast or any of its affiliates.
 got feedback?by Damien21 *This FAQ is based on user knowledge from a volunteer core of BroadbandReports' members. This FAQ in no way constitutes official information from Comcast or any of its affiliates. got feedback?by File Quit You may set up any server you wish for your LAN. *This FAQ is based on user knowledge from a volunteer core of BroadbandReports' members. This FAQ in no way constitutes official information from Comcast or any of its affiliates. got feedback?by draven To access the HOSTS file browse to this location in Windows Explorer: For Windows XP: C:\WINDOWS\SYSTEM32\DRIVERS\ETC For Windows 2K: C:\WINNT\SYSTEM32\DRIVERS\ETC For Win 98\ME : C:\WINDOWS You can look at the HOSTS file in Notepad and see if the website you were trying to visit is listed. If so, erase that entry (you may want to erase the whole file if a program loaded a bogus HOSTS file) and save it in Notepad. You should then be able to view the website. *This FAQ is based on user knowledge from a volunteer core of BroadbandReports' members. This FAQ in no way constitutes official information from Comcast or any of its affiliates.
got feedback?by File Quit From the Comcast.com home page: 1) Enter Username (your e-mail address) & Password / Click "Sign In" You will be directed to "Manage My Account" 2) Hover over "Customers" and click "Payment Centers". That will direct you to "Find a Payment Center" *Without signing in, you can also click this direct link to go to: Looking for Products and Prices 1) Enter your Street Address and Zip Code in the boxes. 2) Hover over "Customers" and click "Payment Centers". That will direct you to "Find a Payment Center" *This FAQ is based on user knowledge from a volunteer core of BroadbandReports' members. This FAQ in no way constitutes official information from Comcast or any of its affiliates.
got feedback?by oldTDNickell5 Choose the service you are interested in and see if it's available. *This FAQ is based on user knowledge from a volunteer core of BroadbandReports' members. This FAQ in no way constitutes official information from Comcast or any of its affiliates. got feedback?by File Quit Source: http://www.comcast.net/privacy/#choice *This FAQ is based on user knowledge from a volunteer core of BroadbandReports' members. This FAQ in no way constitutes official information from Comcast or any of its affiliates.
got feedback?by nozero *This FAQ is based on user knowledge from a volunteer core of BroadbandReports' members. This FAQ in no way constitutes official information from Comcast or any of its affiliates.
got feedback?by oldTDNickell5 • Go to: www.comcast.net and log in as the primary account. • Click on "My Account"( it may ask you to sign in again). You will see all of the options for your account there. If you are on the primary account, you can add e-mail addresses, newsgroup support, and web sharing. *This FAQ is based on user knowledge from a volunteer core of BroadbandReports' members. This FAQ in no way constitutes official information from Comcast or any of its affiliates.
got feedback?by File Quit got feedback?by File Quit These are the Advertised Rates of service as follows: •Economy: 1500 kbps / 384 kbps •Economy Plus: 3000 kbps / 768 kbps •Performance Starter: 6000 kbps / 1000 kbps To Be Phased Out •Performance: 12000 kbps / 2000 kbps •Blast: 16000 kbps / 2000 kbps •Blast: 20000 kbps / 4000 kbps •Blast: 25000 kbps / 4000 kbps •Ultra: 22000 kbps / 5000 kbps •Extreme 50: 50000 kbps / 10000 kbps Select Areas •Performance: 20000 kbps / 4000 kbps ( DOCSIS 3.0 tier Upgrade) •Blast: 50000 kbps / 10000 kbps ( DOCSIS 3.0 tier Upgrade) •Blast: 50000 kbps / 15000 kbps ( DOCSIS 3.0 tier Upgrade) •Extreme 105: 105000 kbps / 20000 kbps ( DOCSIS 3.0 tier ) •Extreme 305: 305000 kbps / 65000 kbps ( Fiber To The Home / FTTH tier ) The Provisioned Rates which are the overhead/caps are as follows: Economy: 1500 kbps / 384 kbps Downstream: 1500 kbps Upstream: 384 kbps This translates into about 187.50 KB/sec maximum transfer rate when you are downloading and about 48 KB/sec maximum transfer rate when you are uploading. Economy Plus: 3000 kbps / 768 kbps Downstream: 3000 kbps Upstream: 768 kbps This translates into about 375 KB/sec maximum transfer rate when you are downloading and about 96 KB/sec maximum transfer rate when you are uploading. Performance Starter: 6000 kbps / 1000 kbps Downstream: 6600 kbps Upstream: 1100 kbps This translates into about 825 KB/sec maximum transfer rate when you are downloading and about 137.50 KB/sec maximum transfer rate when you are uploading. To Be Phased Out Performance: 12000 kbps / 2000 kbps (DOCSIS 3.0 areas) Downstream: 13200 kbps Upstream: 2200 kbps This translates into about 1650 KB/sec maximum transfer rate when you are downloading and about 275 KB/sec maximum transfer rate when you are uploading. Blast: 16000 kbps / 2000 kbps Downstream: 17600 kbps Upstream: 2200 kbps This translates into about 2200 KB/sec maximum transfer rate when you are downloading and about 275 KB/sec maximum transfer rate when you are uploading. Blast: 20000 kbps / 4000 kbps (DOCSIS 3.0 tier) Downstream: 22000 kbps Upstream: 4400 kbps This translates into about 2750 KB/sec maximum transfer rate when you are downloading and about 550 KB/sec maximum transfer rate when you are uploading. Blast: 25000 kbps / 4000 kbps (DOCSIS 3.0 tier) Downstream: 27500 kbps Upstream: 4400 kbps This translates into about 3437.5 KB/sec maximum transfer rate when you are downloading and about 550 KB/sec maximum transfer rate when you are uploading. Ultra: 22000 kbps / 5000 kbps (DOCSIS 3.0 tier) Downstream: 24200 kbps Upstream: 5500 kbps This translates into about 3025 KB/sec maximum transfer rate when you are downloading and about 687.5 KB/sec maximum transfer rate when you are uploading. Extreme 50: 50000 kbps / 10000 kbps (DOCSIS 3.0 tier) Downstream: 55000 kbps Upstream: 11000 kbps This translates into about 6875 KB/sec maximum transfer rate when you are downloading and about 1375 KB/sec maximum transfer rate when you are uploading. Select Areas Performance: 20000 kbps / 4000 kbps (DOCSIS 3.0 tier) Downstream: 22000 kbps Upstream: 4400 kbps This translates into about 2750 KB/sec maximum transfer rate when you are downloading and about 550 KB/sec maximum transfer rate when you are uploading. Blast: 50000 kbps / 10000 kbps (DOCSIS 3.0 tier) Downstream: 55000 kbps Upstream: 11000 kbps This translates into about 6875 KB/sec maximum transfer rate when you are downloading and about 1375 KB/sec maximum transfer rate when you are uploading. Blast: 50000 kbps / 15000 kbps (DOCSIS 3.0 tier) Downstream: 55000 kbps Upstream: 16500 kbps This translates into about 6875 KB/sec maximum transfer rate when you are downloading and about 1875 KB/sec maximum transfer rate when you are uploading. Extreme 105: 105000 kbps / 20000 kbps (DOCSIS 3.0 tier) Downstream: 116000 kbps Upstream: 22000 kbps This translates into about 14500 KB/sec maximum transfer rate when you are downloading and about 2750 KB/sec maximum transfer rate when you are uploading. Extreme 305: 305000 kbps / 65000 kbps (Fiber To The Home / FTTH tier) Downstream: 335500 kbps Upstream: 71500 kbps This translates into about 41937.5 KB/sec maximum transfer rate when you are downloading and about 8937.5 KB/sec maximum transfer rate when you are uploading. These provisioned rates do not reflect PowerBoost Acceptable download/upload speeds by opinion are 80% of your advertised rates. Actual speeds may vary and are not guaranteed. If you are running a home network, keep in mind that this bandwidth is shared amongst each computer. A computer accessing the home network at the same time as another computer, will not get the full bandwidth. It will be distributed between the computers. Note: b = bits B = Bytes  *This FAQ is based on user knowledge from a volunteer core of BroadbandReports' members. This FAQ in no way constitutes official information from Comcast or any of its affiliates.
got feedback?by Johkal Speeds up to 20 Mbps *Processor Speed Windows 7____________ 1 GHz or higher 32-bit or 64-bit Windows XP/2000______ 300 MHz or higher Vista_________________ 1.5 GHz or higher Mac OS 10.4 or higher___ Power PC G3 or higher *Memory Windows 7____________ 1 GB (32-bit) or 2 GB (64-bit) Windows XP/2000______ 128 MB Vista_________________ 512 MB Mac OS 10.4 or higher___ 256 MB *Hard Drive Space Windows 7____________ 16 GB (32-bit) or 20 GB (64-bit) Windows XP/2000______ 150 MB Vista_________________ 150 MB Mac OS 10.4 or higher___ 100 MB *Input Device CD-ROM *Ethernet 10/100 Fast Ethernet *Browser IE 6.0, Firefox 2.0, Safari 2.0 Speeds up to 30 Mbps *Processor Speed Windows 7____________ 1 GHz or higher 32-bit or 64-bit Windows XP/2000______ 750 MHz or higher Vista_________________ 1.5 GHz or higher Mac OS 10.4 or higher___ 600 MHz or higher *Memory Windows 7____________ 1 GB (32-bit) or 2 GB (64-bit) Windows XP/2000______ 256 MB Vista_________________ 512 MB Mac OS 10.4 or higher___ 256 MB *Hard Drive Space Windows 7____________ 16 GB (32-bit) or 20 GB (64-bit) Windows XP/2000______ 150 MB Vista_________________ 150 MB Mac OS 10.4 or higher___ 100 MB *Input Device CD-ROM *Ethernet 10/100 Fast Ethernet *Browser IE 6.0, Firefox 2.0, Safari 2.0 Speeds up to 50 Mbps *Processor Speed Windows 7____________ 1 GHz or higher 32-bit or 64-bit Windows XP/2000______ 1 GHz or higher Vista_________________ 1.5 GHz or higher Mac OS 10.4 or higher___ 800 MHz or higher *Memory Windows 7____________ 1 GB (32-bit) or 2 GB (64-bit) Windows XP/2000______ 256 MB Vista_________________ 512 MB Mac OS 10.4 or higher___ 256 MB *Hard Drive Space Windows 7____________ 16 GB (32-bit) or 20 GB (64-bit) Windows XP/2000______ 150 MB Vista_________________ 150 MB Mac OS 10.4 or higher___ 100 MB *Input Device CD-ROM *Ethernet 10/100 Fast Ethernet *Browser IE 6.0, Firefox 2.0, Safari 2.0 Speeds up to 100 Mbps *Processor Speed Windows 7____________ 2.0 GHz Intel Core Duo/Athlon II or faster Mac OS 10.6 or higher___ 2.0 GHz Intel Core 2 Duo or faster *Memory Windows 7____________ 2 GB Mac OS 10.6 or higher___ 2 GB *Hard Drive Space Windows 7____________ 3 GB Mac OS 10.6 or higher___ 3 GB *Input Device CD-ROM *Ethernet Gigabit Ethernet *Browser Internet Explorer 8, Firefox 3.6, Safari 4.0, Chrome 4.0, Opera 10.0 *Note regarding OS and hardware minimum requirements for speeds over 100Mbps: Alternate hardware and operating systems that can use the INternet will work with this service; however, Comcast cannot demonstrate in testing that such devices and operating systems can attain the full provisioned rate of broadband speed. Actual speeds may vary depending on the number, performance, and configuration of the following: * Connected PC or connecting PCs * Hardware (Processor (Single Core, Multi Core), RAM, Hard Drive (write speed capabilities)) * Router and connecting adapters (Gigabit Ethernet required for 100M) * Software Applications * Web Browser/Browser Plug ins (Flash/Java) * Website/Server Limitations (Not all speed test sites are capable of testing 100M) * Network Congestion For optimal performance, consult your equipment manufacturer/software developer for required upgrades, configuration updates, or troubleshooting guides. *This FAQ is based on user knowledge from a volunteer core of BroadbandReports' members. This FAQ in no way constitutes official information from Comcast or any of its affiliates.
got feedback?by Johkal 1. Welcome Kit including: * Welcome letter from Comcast * Subscriber Agreement 2. Cable splitter 3. 3-foot coaxial cable to go from the cable outlet to the splitter 4. 20-foot coaxial cable to go between the splitter and your cable modem 5. Nail-in cable clips to secure the cables to the wall If you ordered a leased modem kit, you will receive a cable modem along with all of the items above. *This FAQ is based on user knowledge from a volunteer core of BroadbandReports' members. This FAQ in no way constitutes official information from Comcast or any of its affiliates.
got feedback?by oldTDNickell5 What is Provisioning for a cable modem Comcast Cable Internet uses the MAC number of the cable modem to identify the user to the system. This means that no password or login is required. To tell Comcast that a particular modem is for your account, the Comcast system must be told about your modem, so that the modem can be served by the cable system. The cable system will download a configuration file to your modem based on the class of service you are subscribed to. See Cable Modem Provisioning FAQ. This will need to be done if you are a new customer, or if you switch to a different modem. If you have a deluxe install, the installer normally does this for you. How does DNS spoofing work? Through the use of DNS spoofing when you open up Internet Explorer (if your modem has the walledgarden.cfg file) it will take you to the registration page. To the customer the `walled garden' is a page with a bold header "Account Information Not Found" it will then tell you to either use the latest CD or click HERE to download the software. walled garden: DNS stands for Domain Name Service; this service is a critical part of how the Internet operates. Without it, it would be much harder to `surf' the web. DNS resolves hostnames like dslreports.com or google.com into an IP (Internet Protocol) address in which the web server is located so you can view the page. For example to reach Google you can go to either www.google.com (using DNS) or go to the IP address of Google 216.239.39.99/ (without DNS). DNS spoofing comes into play with Comcast's new self provisioning platform. If your modem receives the `walled garden' configuration file no matter what website you type in, the DNS server will re-direct you to the Self Provisioning page. So when your homepage of google.com contacts Comcast's DNS server it will resolve to the registration page rather then Google's IP. Can I avoid Comcast branding after provisioning? What if I don't want Comcast's branding on my computer? You could use a different computer, or restore your computer's state after performing the provisioning. You will have to use the software provided if you want to register your modem yourself. As many customers dislike having their Internet Explorer or Outlook Express branded (or anything actually installed on their box) there may be an option in the future to opt out of software installs. At this point in time the actual downloading of the software and installation takes place last in the provisioning process. Although not confirmed it is rumored that you may be able to complete a successful registration by ditching the registration after you create your primary username. To remove branding from your computer you can use either of these two links in DSL report's FAQs. »Comcast High Speed Internet FAQ »How do I remove the Comcast branding from Internet Explorer? If you do not use a supported computer configuration, you will need to phone in. What if installation fails? If you are using the current software and your registration fails (yet you have a valid IP) you will need to contact Comcast's Technical support at 1-888-COMCAST (open 24/7). What are the minimum system requirements to run the Comcast High-Speed Internet Service? »Comcast High Speed Internet FAQ »What are the Minimum System Requirements for XFINITY Internet Service? If you do not meet the MSRs, the software will prompt you to upgrade existing software (Such as IE or Windows). If using an unsupported system such as Linux, you will need to contact Comcast Technical support at 1-888-COMCAST to be provisioned. In addition to the MSRs, you must be using a Comcast certified cable modem. To see a list of Comcast approved modems click here: Approved Modem List Historical notes Comcast used to provision the modems based on a phone call to customer support. ATTBI used a provisioning system called SAS to automate the process. The SAS provisioning system was handed down to Comcast with the purchase of ATTBI. This created two major problems with Comcast's systems. "Classic" or legacy markets were on a completely separate registration and provisioning platform from that of "new" Comcast (formerly ATTBI); this impeded Comcast from easily being able to deploy new market technology and upgrades easily. Secondly the former SAS provisioning system was un-user-friendly and had its problems. Comcast created a new system with a project called Bedrock. The new system of self provisioning should provide better reliability and will enable Comcast to roll out new services more easily. The information for this FAQ was originally drawn from Joebob38's 2004-09-18 post. *This FAQ is based on user knowledge from a volunteer core of BroadbandReports' members. This FAQ in no way constitutes official information from Comcast or any of its affiliates.
got feedback?or if you have trouble with the activation page, call Comcast. we'll activate your modem from our side. 2011-12-05 03:48:24 (MonteCristo Comcast no longer makes customers download their software to set up via the Walled Garden page. Provisioning is done entirely through the web site. 2011-04-08 14:40:20 (Morac by StillLearn PowerBoost is a patent-pending Comcast network technology that enables you to experience faster connection speeds while you are downloading and uploading large files to the Internet. PowerBoost leverages an additional capacity that is already built into Comcast's advanced network. How long does the PowerBoost burst last? PowerBoost provides bursts for the first 20 MB downloading and the first 10 MB uploading of a file respectively on select Comcast High-Speed Internet services. Will PowerBoost work with all customers' modems? Comcast PowerBoost technology is compatible with DOCSIS 1.1 cable modems and above. Will PowerBoost increase my monthly rate? No; PowerBoost is FREE to all residential Comcast High-Speed Internet subscribers. Will my eMTA work with PowerBoost? PowerBoost will work on your eMTA/CDV device just as it would on a standard modem. What happens after the PowerBoost burst? Once the PowerBoost burst is complete, your download will continue at your normal provisioned speed. What do I need to do to get PowerBoost? Nothing. PowerBoost has already been deployed in your area. If you suspect that you are not getting PowerBoost, simply reset your modem by unplugging it for 60 seconds and plugging it back in. Where is PowerBoost available? PowerBoost is currently being deployed on a market-by-market basis. How will customers know that they have experienced the PowerBoost speed enhancement? Customers will notice an increase in speed when they are downloading and uploading large files such as software, games, music, and photos. Will Comcast do anything for PowerBoost customers who own older modems? For customers who lease modems from Comcast, they will swap your old modem for a newer one, free of charge. Also, please see these threads for discussions on PowerBoost in the Comcast HSI forum: »Post about PowerBoost and other speed increases here »Upload PowerBoost! - See Where It's At »[News] PowerBoost General Discussion *This FAQ is based on user knowledge from a volunteer core of BroadbandReports' members. This FAQ in no way constitutes official information from Comcast or any of its affiliates.
got feedback?PowerBoost lasts longer than 20MB for download, mine lasts for 40MB. 2008-11-07 19:30:16 (dadkins by Big_D You will receive a response and a unique tracking number for your support issue. *This FAQ is based on user knowledge from a volunteer core of BroadbandReports' members. This FAQ in no way constitutes official information from Comcast or any of its affiliates. got feedback?by nozero Two predominant methods for shaping traffic exist: a leaky bucket implementation and a token bucket implementation. Sometimes the leaky bucket and token bucket algorithms are mistakenly lumped together under the same name. Both these schemes have distinctly different properties and are used for distinctly different purposes [1]. They differ principally in that the leaky bucket imposes a hard limit on the data transmission rate, whereas the token bucket allows a certain amount of burstiness while imposing a limit on the average data transmission rate. The token bucket is a control mechanism that dictates when traffic can be transmitted, based on the presence of tokens in the bucket. The token bucket contains tokens, each of which can represent a unit of bytes. The network administrator specifies how many tokens are needed to transmit however many number of bytes; when tokens are present, a flow is allowed to transmit traffic. If there are no tokens in the bucket, a flow cannot transmit its packets. Therefore, a flow can transmit traffic up to its peak burst rate if there are adequate tokens in the bucket and if the burst threshold is configured appropriately. Further information is found here: Traffic shaping *This FAQ is based on user knowledge from a volunteer core of BroadbandReports' members. This FAQ in no way constitutes official information from Comcast or any of its affiliates.
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