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How do I workaround "Authorization Failed" on Cisco 2600 router?

jeffheather asked
Last Modified: 2012-05-09
I have an old 2600 router that has been in service for at least 5 years.  The third party company that installed and deployed is now out of business.  The router works but is a mysterious 'black hole' on our network (I am new to this network).  I need to review the configuration to determine many things (like what is it doing specifically and how?).  I use the rommon mode to get into the router (confreg 2142) but when I issue any command it responds with "Authorization Failed".  We do not have any AAA servers running on our network (TACACS, Radius, etc.) so I am suspicious that the old service provider may have some sort of VPN running or perhaps is using a LOCAL database on the router.  Can anyone suggest a way that I can view this configuration?  THANKS!.
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