Client MAC Address - how are they generated?

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Scriberguy
Posts: 6
Joined: Fri May 22, 2015 9:12 pm

Client MAC Address - how are they generated?

Post by Scriberguy » Wed May 27, 2015 6:02 pm

I have a number of external remote devices (iPad and Android) that connect to the VPN. The first one that connects gets a specific MAC address. If device "A" connects first it gets the address of CA-27-F2-E4-CC-55, if device "B" or "C" connects first then they will get that same MAC address.

Where is this MAC address coming from and how to fix it to a user or device?
(It is not coming from the device or the VPN client)

SoftEther 4.0 ver 4.15 build 9546 running bridged.

Thanks.

Scriberguy
Posts: 6
Joined: Fri May 22, 2015 9:12 pm

Re: Client MAC Address - how are they generated?

Post by Scriberguy » Fri May 29, 2015 5:51 pm

[Bump]

Devs: How are the client MAC addressed generated and is there a table that can be edited?

L2TP using on iPad / Android

mesa57
Posts: 153
Joined: Fri Oct 11, 2013 4:00 pm

Re: Client MAC Address - how are they generated?

Post by mesa57 » Sat May 30, 2015 2:28 pm

The mac address is not generated by the server, but is an attribute of the network interface on you're device.

thisjun
Posts: 2458
Joined: Mon Feb 24, 2014 11:03 am

Re: Client MAC Address - how are they generated?

Post by thisjun » Thu Jun 11, 2015 5:50 am

The MAC address generated randomly by VPN server.
You can't specify it.

Scriberguy
Posts: 6
Joined: Fri May 22, 2015 9:12 pm

Re: Client MAC Address - how are they generated?

Post by Scriberguy » Thu Jun 11, 2015 8:40 pm

I agree that the VPN Server (SoftEther) is creating the MAC addresses.
It is not random, the first address is always "CA-27-F2-E4-CC-55".

I would a way to know when a specific device connects / reconnects.

Any hopes of getting a feature like this?
Is there any level 2 networking support with PASS through MAC addresses?

Thanks.

thisjun
Posts: 2458
Joined: Mon Feb 24, 2014 11:03 am

Re: Client MAC Address - how are they generated?

Post by thisjun » Thu Jun 25, 2015 6:37 am

MAC address doesn't reach over the Internet.
Identification information isn't provided on L2TP.

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