HWIC-2T Problem on Cisco 2801

Unanswered Question
Mar 9th, 2010

Hi all,

Good day to you, Cisco NetPro...

I have the following scenario in which I may need some of your opinion/confirmation/suggestion. The following are the specs of our client:

  • Cisco 2801 router
  • Flash IOS: c2801-advipservicesk9-mz.124-13a.bin
  • 191K bytes of NVRAM
  • 62720K bytes of ATA CompactFlash
  • 4 slots: slot1 has a WIC-2T installed

Since there is an available slot for another WIC (slot3), our client decided to buy the HWIC-2T (since, WIC-2T are already phased out).  There seems a problem upon installing the HWIC-2T on the slot3 of 2801.  By typing the command sh diag the following output was displayed:

Unknown WAN daughter card
WIC module not supported/disabled in this slot

Hardware Revision        : 1.0
Top Assy. Part Number    : 800-28803-01
Board Revision           : B0
Deviation Number         : 0
Fab Version              : 01
PCB Serial Number        : FOC13344YEE
RMA Test History         : 00
RMA Number               : 0-0-0-0
RMA History              : 00
Fab Part Number          : 28-8141-01
Product (FRU) Number     : HWIC-2T
Version Identifier       : V01
CLEI Code                : COUIALDCAA
EEPROM format version 4

I tried to upgrade the Flash IOS to the following: c2801-ipbase-mz.124-15.T_2_.bin but I still have the same problem encountered.

Did I miss something here? You're response is highly appreciated.


  • 1
  • 2
  • 3
  • 4
  • 5
Overall Rating: 5 (2 ratings)
p.mcgowan Wed, 03/10/2010 - 04:31

The IOS needs to be at a certain release to support the HWIC modules:

IOS Release, Feature Sets, Licenses and Platform Support

Table 2. Minimum IOS Releases, Feature Sets and Licenses


Minimum Cisco IOS Sotware Release

Minimum Cisco IOS Sotware Feature Set or License

Cisco 1800, 2800, and 3800 Series Integrated Services Routers

• 12.4(20T
• 12.4(23)
• 12.4(15)T

IP Base

Cisco 1900, 2900, and 3900 Series Integrated Services Routers

• 15.0(1)M

IP Base

I would try one of the later IOS releases

the full datasheet can be found here;


If you find this helpful please rate the post

rjpselguera Wed, 03/10/2010 - 17:56

Thanks, p.mcgowan...

I need some help with regards to the interpretation of the datasheet here...

Is the  minimum of IOS software release must be 12.4(15)T for the following Cisco 1800, 2800, and 3800 Series Integrated Services Routers?

Or the Cisco 1800 ISR must have a minimum IOS software release of 12.4(20T, the Cisco 2800 ISR has a minimum IOS release of 12.4(23) and for the Cisco 3800 a minimum of IOS of 12.4(15)T?

I hope you could clarify me on this one.


rjpselguera Wed, 03/10/2010 - 18:21

Hi leolaohoo...

Sorry I don't get it. Which of the questions do you agree on? Is it the former or the latter?

I apologize, I'm kinda newbie when it comes to Cisco devices...


Leo Laohoo Wed, 03/10/2010 - 18:43

Minimum IOS requirement:

1800 - 12.4(20)T IP Base feature set
2800 - 12.4(23)  IP Base feature set
3800 - 12.4(15)T IP Base feature set

rjpselguera Wed, 03/10/2010 - 19:06

I see...

Thank you very much leolaohoo and more power to NetPro...

You're a big help guys...


This Discussion