Centillion 1000 Software Upgrade Notes
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Code comes at slef-extracting ZIP file... 

Setup TFTP server on source PC, set TFTP root specific spot in dir
tree created by ZIP extraction.  Look in file "boot" in code dir
to determine correct spot for TFTP root

Command will be:
# inst system [active/standby]  

EG: inst system active 10.224.16.173 /8770/v70622/boot


...Run will take about 10 min.  >> DO NOT RESET DURING DOWNLOAD !! <<


  ** WARNING:  I have observed that the C1000 stops forwarding ATM
  cells while the code download is running.  If you are using the 
  C1000 to get to the C1000 this will abort the sofware download
  process.  The switch will gracefully recover, and no damage will
  be done, but the code download will fail.  I have seen this 
  occur twice in the field.  Verify your data path before starting
  the download process! **


This command:
#copy sys acttosby
  ...will copy the system files from the active processor to the
  standby (much faster than re-TFTPing the whole lot.
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Engineer's comments:  SW upg. should preserve config w/o problems...