ii
Centralized devices upgrading from the CLI ···················································································· 71
Saving the running configuration and verifying the storage space ················································· 71
Downloading the image file to the router ·················································································· 71
Specifying the startup image file ····························································································· 72
Rebooting and completing the upgrade ··················································································· 73
Distributed devices upgrading from the CLI ····················································································· 74
Display the slot number of the active MPU ··············································································· 74
Save the current configuration and verify the storge space ·························································· 74
Download the image file to the router ······················································································ 75
Specifying the startup image file ····························································································· 75
Reboot and completing the upgrade ······················································································· 77
Distributed devices ISSU ············································································································· 78
Disabling the standby MPU auto-update function ······································································· 79
Saving the running configuration and verifying the storage space ················································· 79
Downloading the upgrade image file to the router ······································································ 80
Upgrading the standby MPU ·································································································· 80
Upgrading the active MPU ···································································································· 82
Upgrading from the BootWare menu ······························································································ 84
Accessing the BootWare menu ······························································································ 84
Using TFTP/FTP to upgrade software through an Ethernet port ··················································· 86
Using XMODEM to upgrade software through the console port ···················································· 89
Managing files from the BootWare menu ························································································ 93
Displaying all files ················································································································ 94
Changing the type of a system software image ········································································· 94
Deleting files ······················································································································ 95
Handling software upgrade failures ································································································ 96
Appendix C Handling console login password loss ································ 96
Disabling password recovery capability ·························································································· 96
Handling console login password loss ···························································································· 97
Examining the password recovery capability setting ··································································· 97
Using the Skip Current System Configuration option ·································································· 99
Using the Skip Authentication for Console Login option ···························································· 100
Using the Restore to Factory Default Configuration option························································· 100
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