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IP Address Management with vRealize Network Insight

March 5, 2020 / / 0 Comments

vRealize Network Insight knows all and see all that’s happening within a network. Due to the search engine and the ability to pull out any data on the infrastructure, new use cases pop up now and then. Lately, I’ve been approached by a few organizations that are using Network Insight as an IP Address Management (IPAM) system, or to complete their existing IPAM system and compare and contrast it to the live infrastructure.

Here are a few examples: checking whether which IP addresses are free in a particular IP range. Comparing the IPAM registrations to the IP addresses that are … Read more

NSX SpoofGuard Automatic Approvals through your IPAM

October 4, 2016 / / 0 Comments

VMware NSX provides a (heavily underestimated) SpoofGuard functionality, which prevents virtual machines to use IP addresses that are not approved by the network engineers. It guards for, guess what, IP spoofs. Virtual machines will not be able to change their IP addresses without administrative approval, which prevents issues with unauthorized changes or duplicate IPs.

SpoofGuard in NSX

SpoofGuard can operate in 3 modes:

– Approve everything (the default);
– Automatically approve first detected IP, manual approve changes;
– Manually approve all first detected IPs and changes.

While having control of the IP address changes in the virtual network is pretty … Read more

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