Cable Modem Uncapping

Cable modem uncapping is a way of removing the speed limit imposed on your modem by your ISP (Internet Service Provider). This may be a breach of your AUP so please use with caution, if you get caught doing this your ISP will most likely give you a warning the first time but could disconnect your service. This should work for any DOCSIS modem but has been tested on Motorolla Surfboards 3100, 4100 and 4200.

Here are the applications you will need I have some DOCSIS config files for Blueyonder. Blueyonder Internet do not supply these files or do they support them it just so happens they work on there network setup.

1mb Download - 256k Upload - Blueyonder - Download

2mb Download - 1mb Upload - Blueyonder - Download

Cisco DOCSIS Config File Editor - docsisConfig.rar

TFTP Server - tftpd32g.rar

How to uncap a Motorolla Surfboard 4100 or 4200 on Blueyonder using Windows

1. Check what the IP Address of your DHCP Server is it will be on these pages http://192.168.100.1

2. Set your PC's IP address to the IP address of your DHCP Server

3. Start Pinging your modem constantly form a DOS prompt type ping 192.168.100.1 -t

4. Start your TFTP Server and make sure the above DOCSIS files are are in the root folder for your TFTP Server

5. Unplug your cable modem for 30 seconds and then plug it back in

6. Make sure the Modem downloads your uncapped DOCSIS config file this will can be seen by looking at the TFTP Servers logs

7. Set you IP address back to DHCP in Windows and close the ping window

8. Test your download speed I suggest trying to download a file from this page - DOWNLOAD SPEED TEST

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