One iPhone, two MACaddrs

I have an iPhone 14, IOS 16.4.1.(a); I have a Synology RT2600ac; and a Netgear EX7000 extender.


EX7000 (192.168.1.250 (DHCP reserved) broadcasts on 5 GHz as SSID 'XX01' extending the 2.4 for the router (192.168.1.1). Router broadcasts on both bands as SSID 'XX01'.


When I check, I see my phone listed with two MACaddrs: one for 2.4 GHz and one for 5 GHz band but each has the same IP 192.168.1.100 (which is not reserved in DHCP).


(I should probably also point out that the router is configured for 'Smart Connect' which determines whether to switch between the two bands according to specified conditions to ensure the best wireless connectivity for your devices.)

This strikes me as a possible (bone of) contention which may cause network routing issues; would it try sending the packets to both MACaddrs? Regardless, how do I stop this because, I feel sure that the iPhone hiccoughs and stops once every so often (when I move from one room to another) until it seems to re-establish itself on the strongest network signal for the associated SSID (eg. 'XX01').


I've enough knowledge and understanding to be pretty dangerous having taken course on this stuff. Twenty years ago!


So any guidance or explanation would be much appreciated and I thank you in advance for even reading this.


Cheers.


[Re-Titled by Moderator]

iPhone 14 Pro Max

Posted on May 6, 2023 12:34 PM

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4 replies

May 6, 2023 5:34 PM in response to BitBytr

Go to Settings/Wi-Fi, tap on the i next to each SSID and turn off Private Wi-Fi address. This is a security feature that sends a false MAC address so public Wi-Fi networks can’t track you. But you don’t need it for your own router. Once you turn it off you will see a message saying your connection is not private, but you can ignore that because you don’t care that your router “knows” that it’s your phone.


But it doesn’t do any harm, either because MAC address is only used to identify the connection between the router and the phone; it doesn’t go beyond the router. That is, no external entities see it.

May 7, 2023 8:42 AM in response to BitBytr

BitBytr wrote:

Erm, thanks, but ... That's turning off the virtual private Mac address function on the device which is primarily to enhance security on public networks. Your solution doesn't address my problem at all, I'm afraid. The (one) virtual address in the router listing is from the extender not the device.

The virtual private MAC address feature is for each specific router connection. So you can turn it off for one router, but it will remain in force for other networks. It isn’t a global setting. You are correct that it is to enhance security on public networks, but you can turn it off for your network only. And the enhanced security feature that it protects against is tracking you as you move from one network to another.


I checked the Netgear FAQs etc. and, as expected, Netgear is rubbish and doesn't allow you to disable the 'feature' on the EX7000 piece of ... kit.


May 7, 2023 8:37 AM in response to Lawrence Finch

Erm, thanks, but ... That's turning off the virtual private Mac address function on the device which is primarily to enhance security on public networks. Your solution doesn't address my problem at all, I'm afraid. The (one) virtual address in the router listing is from the extender not the device.


I checked the Netgear FAQs etc. and, as expected, Netgear is rubbish and doesn't allow you to disable the 'feature' on the EX7000 piece of ... kit.

May 7, 2023 9:31 AM in response to Lawrence Finch

Thank you. The virtual address 'feature' on the extender is global. There is no way to disable that apparently.


Confusing and complicated: I can have a mishmash of MAC addresses that comprise virtual from the device and then further virtualized by the extender. Each, may or may not, apparently without obvious logic, be assigned the same IP or different IPs.


The one thing I can control is the virtual address generation for my home network(s) whilst allowing the addresses to be virtualized in public ones: thank you! I wasn't aware of that.



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One iPhone, two MACaddrs

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