Thursday, May 30, 2013

Password reset on a 2600

Often the stuff you pick up from ebay sellers will need to be wiped, and IOS reloaded, or upgraded.

Password reset for the 2600:

Check the current IOS on startup for password prompts and if there is one set,

1. power the router on, and press CTRL + BREAK, until you get this:

     rommon 1 >

2. rommon 1 > confreg 0x2142

3. rommon 2 > reset

4. copy NVRAM into memory: copy startup-config running-config. Don't go to global config mode yet.

5.  Show the running config to find what passwords have been set.

6. enter IOS and change passwords, and then save config.

7.  enter: config-register 0x2102 or whatever the initial confreg was.

8. save the running config to start up config: copy running-config startup-config.

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