Re: What is the best way to detect a re-configured router?

Mathias Wegner <[email protected]>
Newsgroups gmane.network.net-snmp.user
Message-ID <[email protected]>
On Jan 18, 2016, at 16:26, Bob Albrecht <[email protected]> wrote:

> Changing router firmware can take a long time. It's faster to pull the "route processor"/supervisor card and replace it with one that's already upgraded. The new card will have the same config, including engineID. However, counters such as engineBoots and engineTime will be reset. 
> 
> 
> We see same engineID come up but with fewer engineBoots or lower engineTime, there is a security discrepancy that must be addressed. 
> 
> What is the authoritative way to detect this situation?



I don’t know about an authoritative, but if the uptime has reset at the same time that boots and time changed, that’s a pretty solid indicator that something like this has happened.


Mathias 
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