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All ports are blocked from moving to forwarding state during the POST.  Only when all 
components of all modules pass the POST is the system placed in FIPS PASS state and 
ports are allowed to forward data traffic. 
  If any of the POST fail, the following actions should be taken: 
  If possible, review the crashinfo file. This will provide additional information on the 
cause of the crash 
  Restart the TOE to perform POST and determine if normal operation can be resumed 
  If the problem persists, contact Cisco Technical Assistance via 
http://www.cisco.com/techsupport or 1 800 553-2447 
  If necessary, return the TOE to Cisco under guidance of Cisco Technical Assistance. 
If a software upgrade fails, the ASR will display an error when an authorized 
administrator tries to boot the system.   The ASR will then boot into the rommon prompt. 
Directory an_image.bin not  found  
Unable to locate an_image.bin  directory  
Unable to load an_image.bin  
boot: error executing "boot  harddisk:an_image.bin"  
autoboot: boot failed,  restarting    
 
Autoboot has been enabled by using the config-register 0x2102 command. The 
following error message is displayed when the router restarts automatically: 
no valid BOOT image found  
Final autoboot attempt from  default boot device...  
Located l2tp_rmcd_alg          
Image size 10271 inode num 12,  bks cnt 3 blk size 8*512  
#                                                        
Boot image size = 10271  (0x281f) bytes  
.  
.  
.  
Boot image size = 11262  (0x2bfe) bytes  
Unknown image structure  
Located test  
Image size 11506 inode num 63,  bks cnt 3 blk size 8*512  
 
Pressing the Break key or running the “break” command will cause the ASR to enter 
rommon mode. 
 
Please see the list of the TOE’s POST error codes below – 
  Software self-integrity test  
  DES encryption/decryption  
  3DES encryption/decryption  
  SHA hashing  
  SHA256 hashing  
  SHA384 hashing  
  SHA512 hashing