Copying a Primary or Secondary Boot Image from Flash Memory to an IPv6 TFTP Server
You can copy the primary or secondary boot image from a device flash memory to an IPv6 TFTP server. The following example copies the primary boot image named primary.img from flash memory to a TFTP server with the IPv6 address of 2001:DB8:e0ff:7837::3.
device# copy tftp flash 2001:DB8:e0ff:7837::3 primary primary.img Parameter Validation Successful ....File Download Done File Write Done File Download Complete