Friday, December 10, 2010

How to access ROMMON

In your working environment how often do you really need to access ROMMON? if everything is in order and you have up to date documentation then I suspect not very often.

So, I come to preparing my new home lab for my CCNP SWITCH course and I've had to remove the old configuration off the recycled kit.

For my access server I'm going to run an old 2610 router, not the most feature rich router but it has a single ethernet interface which I run inter-VLAN routing off. I have 2 catalyst 3550's for my distribution layer and I have 2 Catalyst 2950's for the access layer.

Accessing ROMMON.
Accessing ROMMON is actually very simple on the catalyst switches. Power off your device. Hold the mode button down on the front of the box, then connect the power lead.

Wait for the 'x1' interface indicator to go out and then release the mode button.

For the 2610 you power cycle the system and at the point the boot process is displayed on screen you hit ctrl+Break.

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