Access Points

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Occasional Contributor II

Which controller do AP's need to locate?

I suspect this is as dumb question but if you could clarify I would be much appreciative.

When an AP is booting, it goes through a sequence to locate the master controller. Does it always need to locate THE master controller, or would local controllers on the same Aruba system suffice?

For example, consider a system with a master controller at 192.168.100.1 and a local controller in another site at 192.168.200.254. Let's assume multicast traffic from one vlan to another is not allowed.

An AP boots on the 192.168.200.0/24 VLAN; that VLAN has a DHCP server but let's assume that the AP cannot resolve aruba-master.

What will happen? Will the AP find the local controller at 192.168.101.254 via ADP and boot successfully? Or is it specifically looking for the controller in the role of master, and bootup will fail?
Guru Elite

Any Controller

An AP can find any controller via DNS, ADP or DHCP options. It does not have to be the master.


Colin Joseph
Aruba Customer Engineering

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