The quality of service offered by the cable modem, including the downstream and upstream rate caps, is determined by a configuration file fetched by the cable modem from the ISP's network during the cable modem boot-up sequence. The configuration file also tells the cable modem if there are any firmware updates available for it. These files are invisible to the user: they never reach the PC.
A typical cable modem system might offer different qualities of service with configuration file names copper.cm, bronze.cm, silver.cm, gold.cm, and so on.
The name of the configuration file in your cable modem can be discovered:
NTL use the following configuration file names:
NTL might also use the following model-specific configuration file names:
|Terayon Terajet 210||tera210x-silver.cm||tera210x-bronze.cm|
Blueyonder use configuration filenames:
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