*** Although the method below may still work for *much* older versions of IOS.
Taken from CISCO routers forum, "How do I reset the enable secret password using SNMP faq557-705 "
There is lots of information to recover lost passwords on the Cisco Website. Most, if not all, involve having console access to the switch - but say the Switch is on the other side of the world?
Answer - Use 3 simple steps via SNMP...
1. Read the config to a tftp serverà
"snmpset -c <write community string> <switchIP/name> .1.3.6.1.4.1.9.2.1.55.ipaddress.of.tftpserver octetstring <filename on server>"
2. Next edit the configuration substituting the new, plain text, enable secret password and save it back to a tftp server.
"enable secret <new password>"
3. Then tell the switch to boot the config on your tftp server.
"snmpset -c <write community string> <switchIP/name> .1.3.6.1.4.1.9.2.1.50.ip.address.of.tftpserver octetstring <filename on server>"
And the new config is running, telnet/ssh to the router and try your new passwordà then copy the running config to startupà
Hope this is of some use to someone somewhere...
Good Luck.
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