Average Reviews:
(More customer reviews)UPDATED 10-13-2009. Please see: [...] for information on how to get this device working with Comcast as your Internet Service Provider.
The review below is based on my dealings with Comcast in July of 2009 when I first purchased the unit.What can I say? It would be a beautiful thing if this HWIC in my 1841 router was supported by Comcast. I could then consolidate the modem, router and switch into a nice 1U rack-mountable device that would fit perfectly into a small network cabinet in the basement.
I made some progress with Comcast. At one point cable-modem0/0/0 was pulling a DHCP address and after getting the device configured via CLI I got a workstation out to Comcast's walled garden. I was unable to get it to activate...I should have called Comcast at that point but I messed around, erased my config, rebuilt the config...spent countless hours on the phone with Comcast trying to get the HFC Mac address of the modem squared away.
Most recently, I was informed by Comcast that the HFC Mac address of the cisco hwic-modem is showing as a LEASED modem in their system...and apparently I am going to be charged for having posession of 2 leased modems at the same time until I resolve it at my local Comcast office.
In any case. Oh sorry, this is supposed to be a Cisco HWIC-Cable-Modem-D-2 review. =) I was actually a little surprised at the lack of end-user documentation for this device. Typically Cisco has a plethora of configuration examples to get a base configuration on any given device. From the limited experience I've had with the HWIC, it appears to function no differently than a typical Ethernet or FastEthernet interface when being addressed from CLI. With DOCSIS, the ISP should be providing some sort of configuration to the device through magic or whatever.
The limited information I found online through forums and discussions have stated that the HWIC-Cable-Modem-D-2 is rock solid, fewer errors than consumer-grade modems, fewer dropouts, more reliable and robust.
I just caution anyone purchasing this item in hopes of using it with Comcast as an ISP. I had no problems getting a technician to enter the HFC Mac address in on their end...but I've had nothing but problems since.
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1PORT DOCSIS 2.0 CABLE HWIC
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