NAT and overlapping IP addresses
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‎06-07-2012 08:22 PM
Has anyone had to deal with large enterprise discoveries where issues like growth by acquisition can cause an overlap of ten space IP addresses? What are the options for organizations like this? Multi-tenancy seems like an obvious option. Turning off Enforce Unique IP Addresses in a single instance seems like another, though things like the Discover Now UI action would produce unpredictable results. Thoughts?
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Discovery
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Service Mapping
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‎06-07-2012 09:12 PM
Not uncommon really for exactly the reasons you describe...But thank goodness for discovery definition > ci identifiers..
While some of the OOB Identifiers do evaluate IP and class the primary measurements are other more unique items such as serial numbers and Mac Addresses...
But your concerns about discovering an CI directly, are valid, do understand though.. even if a CI that shares a similar IP because of an 'acquisition' when you choose to 'discover ci' it relates back to the original schedule it was discovered under ultimately whose MidServer was tasked to find that range so there wont be any conflicts...
Just as our good MSP (Managed Service Provider) friends have to deal with each day..they may discover unique different environments but there's a specific schedule with a specific MID that is tasked to do that work..So yes they may find multiple computers with the same "IP" they are actually unique because of the more specific evaluation criteria....
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‎06-15-2012 10:29 PM
Thanks Doug! I wasn't aware that the CI would retain schedule (and by extension, midserver) affinity as we haven't had to deal with this concern until now. Great news!
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‎07-23-2019 08:20 AM
We have a situation where we are discovering in a private cloud. The cloud has Orgs and each org has multiple vDCs. Many of the vDCs have repeating ip ranges. That's fine for most things because the vDCs operate independently.
We have a "management" vDC that has access to all the other vDCs. We want to run 1 MID server to discover all the other vDCs.
How can we discover multiple vDCs with repeating ip ranges from a single MID server?
