After load loaded the ios to router, remember to verify it, make sure md5 is match before reload –
# verify /md5 filesystem:filename md5-value
example –
router# verify /md5 disk1:c7200-js-mz 0f369ed9e98756f179d4f29d6e7755d3
output –
router# verify /md5 disk1:c7200-js-mz 0f369ed9e98756f179d4f29d6e7755d3
…………………………….
…………………………….
…………………………….
…………………………….
…………………………….
………………………….Done!
Verified (disk1:c7200-js-mz) = 0f369ed9e98756f179d4f29d6e7755d3