The device obtains the same IP address after its physical location changes

jason_hu · Created Apr 30, 2020 07:54:44

Hello,

1. Create a VLAN pool and use the hash algorithm. In this way, the hash algorithm is performed based on the MAC address, and the same VLAN is obtained each time. The obtained IP address is the same.

2. Associate the VAP with the same SSID profile and associate the VAP with the VLAN pool when associating the VAP with the service VLAN.

Note: When the VLAN allocation algorithm is hash, the VLAN pool allocates service VLANs to STAs based on the hash calculation result of the MAC addresses of the STAs. As long as the VLANs in the VLAN pool do not change, STAs obtain fixed service VLANs. When STAs go online again, they are preferentially allocated IP addresses that have been used. In addition, the problem cannot be solved by delivering only one VLAN because a broadcast domain has risks when the number of STAs is large.

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jason_hu · Created Apr 30, 2020 07:51:31

Hello,
Kindly wait for a second, we are processing on your problem.

jason_hu · Created Apr 30, 2020 07:54:44

Hello,

1. Create a VLAN pool and use the hash algorithm. In this way, the hash algorithm is performed based on the MAC address, and the same VLAN is obtained each time. The obtained IP address is the same.

2. Associate the VAP with the same SSID profile and associate the VAP with the VLAN pool when associating the VAP with the service VLAN.

Note: When the VLAN allocation algorithm is hash, the VLAN pool allocates service VLANs to STAs based on the hash calculation result of the MAC addresses of the STAs. As long as the VLANs in the VLAN pool do not change, STAs obtain fixed service VLANs. When STAs go online again, they are preferentially allocated IP addresses that have been used. In addition, the problem cannot be solved by delivering only one VLAN because a broadcast domain has risks when the number of STAs is large.

If you have any problems, please post them in our Community. We are happy to solve them for you!

ster · Created Apr 30, 2020 07:56:05

Hi jason_hu,
Thank you for your quick reply.

NikoleT · Created Jun 29, 2020 00:09:35

Great job!

NikoleT · Created Jun 29, 2020 00:09:45

thanks

The device obtains the same IP address after its physical location changes

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The device obtains the same IP address after its physical location changes

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