Merge Devices' Wifi & Ethernet for IP Reservation
Right now, if I have a device that I sometimes use via wifi and sometimes use via ethernet, I cannot have Firewalla give it the same IP address, regardless of which interface is used. Instead, I can only have the Firewalla reserve this IP address on one interface.
It seems like the issue is because Firewalla sees the different interfaces as being 2 distinct devices, even though it is actually the same device with 2 interfaces.
Is there a way to "merge" the 2 interfaces into one device in Firewalla, such that this device will always get the same reserved IP, regardless of which network interface is used?
(It is never the case that both network interfaces are used at the same time)
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I understand that reservation is currently based on MAC hardware address. My request is that Firewalla have an additional feature in which the following would be possible:
- Merge interfaces into one device
- Dynamically reserve the IP for the connected interface
- Dynamically unreserve the IP for the disconnected interfaces
So, there would still only be one interface with that IP reserved at a time, but, to the user, they would just reserve the IP per _device_.
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I also only know MAC based reservation.
Your plan to reserve and unreserve the address is interesting. But once the device connects, it's asking an IP and the IP will be delivered maybe before it'll be reserved.
I'm using DNSmasq for DHCP in my network with some reservations. I'm thinking use two MAC for one IP will be result in start-error of DNSmasq. But i didn't try before.
Wouldn't it be easier to use fixed IP-address for WLAN and DHCP with reservation on LAN. So you can connect LAN to any other network with DHCP and WLAN is SSID-based. So the WLAN-config will only be this IP in your WLAN.
But in this case, if you'll connect both interfaces by mistake, you'll get IP-address-error by using to interfaces with the same address.
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