I am also in same situation, here i am using 15.x series(c3900-universalk9-mz.SPA.152-2.T) IOS with rommon version C3900_RM2.srec.SPA.150-1r.M13.
Actually i have upgraded the IOS and Rommon initially and After upgrading rommon i just allowed to restart the router where as before restarting one time password needed to changed as per recommanded process but unfortunatly i missed instructions.
Now after router got restarted its not allowing to login. As you suggested Nirmal that change the config register but how to do that without login?
The first time a 3945 is powered up from the factory, it asks you to change the username/password. If that's not done the first time, it will lock you out the next time it boots. If this has happened, use password recovery (link requires cisco account) to regain access.
We are pleased to announce availability of Beta software for 16.6.3.
16.6.3 will be the second rebuild on the 16.6 release train targeted
towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are
looking for early feedback from customers befor...
Introduction Featured Speakers Luis Espejel is the Telecommunications
Manager of IENova, an Oil & Gas company. Currently he works with Cisco
IOS® and Cisco IOS XE platforms, and NX to some extent. He has also
worked as a Senior Engineer with the Routing P...
In this session you can learn more about Layer 3 multicast and the best
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provides an overview of basic multicast, the best security practices for
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