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Router Restarting continiously



my 3925 router is restarting again and again, it was in rommon mode when i connect it through console.

Attached file show router output.


Kindly suggest

4 Replies 4

Leo Laohoo
Hall of Fame
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@syed ethesham ul Hussain wrote:

count: 19,  reason: bus error

What module or EHWIC are installed?  

If there is/are, power down the router and remove ALL the HWIC and module.  Power up the line card and see if it makes any difference. 

Also, try another IOS version.

Hi Leo,

Thanks for early response,

This are the router details:


C3945-VSEC/K9 Cisco 3945 Voice Sec. Bundle  PVDM3-64  UC&SEC Lic FL-CUBE25 1
PWR-3900-AC Cisco 3925/3945 AC Power Supply 1
CAB-ACU AC Power Cord (UK) C13 BS 1363 2.5m 1
MEM-CF-256MB 256MB Compact Flash for Cisco 1900 2900 3900 ISR 1
SL-39-SEC-K9 Security License for Cisco 3900 Series 1
PVDM3-64 64-channel high-density voice and video DSP module 1
ISR-CCP-EXP Cisco Config Pro Express on Router Flash 1
FL-CUBEE-25 Unified Border Element Enterprise License - 25 sessions 1
SM-S-BLANK Removable faceplate for SM slot on Cisco 290039004400 ISR 4
HWIC-BLANK Blank faceplate for HWIC slot on Cisco ISR 3
C3900-SPE150/K9 Cisco Services Performance Engine 150 for Cisco 3945 ISR 1
SL-39-IPB-K9 IP Base License for Cisco 3925/3945 1
3900-FANASSY Cisco 3925/3945 Fan Assembly (Bezel included) 1
MEM-3900-1GB-DEF 1GB DRAM (512MB+512MB) for Cisco 3925/3945 ISR (Default) 1
RPS-COVER-3900 Cover for empty 2nd Power Supply slot on Cisco 3925/3945 1
SL-39-UC-K9 Unified Communication License  for Cisco 3900 Series 1
S39UK9-15401T Cisco 3925-3945 IOS UNIVERSAL 1
VWIC2-2MFT-T1/E1 2-Port 2nd Gen Multiflex Trunk Voice/WAN  Int. Card - T1/E1 1

Remove the VWIC2-2MFT-T1/E1.

Thanks Leo,


I will try it and let you know.




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