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HPE Aruba

HPE Alba

Work style reform! Break away from fixed IP addresses and create an environment where employees can work comfortably.

Advantages and disadvantages of static IP addresses

Some organizations have fixed IP addresses assigned to client terminals, which are managed in a ledger together with MAC addresses of client terminals and employee information.
By having a fixed IP address, access to the network is restricted for each client terminal (employee), and client terminals and employees can be easily identified from the IP address.
This is similar to being able to search for employee names and departments by employee number, and to be able to set access restrictions by employee number (user ID) on the system.

In such cases, it is common practice to register management ledger information in a DHCP server and assign a fixed IP address according to the MAC address of the client terminal connected to the network.

On the other hand, in organizations that use fixed IP addresses, there are cases where employees cannot connect to the network when they move between floors or go on business trips, or cannot access resources that are normally available. I have. Humans move geographically, but networks are static.
For organizations that have traditionally used fixed IP addresses, it is not easy to migrate to a DHCP environment because various rules are tied to IP addresses. For some organizations, it can have as much impact as the employee numbers assigned to employees change from time to time.

Taking advantage of "Migrate to DHCP" and "Auto update ledger"

For such organizations, I would like to introduce a solution that integrates with Infoblox's DHCP server, implemented from version 6.6 on Aruba's ClearPass authentication server.

When an employee authenticates to connect to the wireless LAN (generally, wireless LAN uses 802.1x authentication, and the employee is not aware of the authentication process), the MAC address information of the client terminal and the authentication Pass the current user ID from Aruba ClearPass to Infoblox.

With this linkage, IP addresses, MAC addresses of client terminals, and user IDs can be easily verified on ClearPass even when migrating to a DHCP environment.
Furthermore, acquisition of the MAC address and user ID of the client terminal is triggered by wireless LAN authentication, so it can be updated automatically without bothering the IT administrator. This makes it possible to maintain the latest ledger even when client terminals are frequently replaced.

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