Makes sense.  We'll have to revise internal processes accordingly is 
all.


------ Original Message ------
From: "Nathan Anderson" <[email protected]>
To: "Adam Moffett" <[email protected]>; "[email protected]" 
<[email protected]>
Sent: 11/22/2016 2:08:28 PM
Subject: RE: [Telrad] DHCP Relay IP Assignment

>I very much doubt it.  UEs don't actually have "MAC addresses".  MAC 
>address is an ethernet concept.  LTE is not an ethernet-like packet 
>network.
>
>These fixed outdoor UEs from Telrad / Gemtek / KZ have a "MAC address" 
>insofar as they have an ethernet port on them that is intended for the 
>LAN-side.  That LAN port, of course, has a MAC address.
>
>The CPE7000 does have a MAC address on the WAN side only because it is 
>dual-mode WiMAX.  That MAC address is not broadcast on the LTE network 
>in any way.  The single-mode CPE8000 has no MAC address on the WAN 
>side.
>
>It makes sense for the DHCP relay to base the simulated "MAC" off of 
>the IMSI.  That way, if a UE fails, you swap the user's SIM card over 
>to the new UE and the customer will continue to get the same lease (or 
>at least appear as the same device from the DHCP server's point of 
>view).
>
>-- Nathan
>________________________________________
>From: [email protected] [[email protected]] On Behalf Of 
>Adam Moffett [[email protected]]
>Sent: Tuesday, November 22, 2016 10:46 AM
>To: [email protected]
>Subject: [Telrad] DHCP Relay IP Assignment
>
>I've set up an L3 PDN using the "DHCP Relay" method of IP Assignment.  
>On our DHCP server we see requests coming from a spoofed MAC Address 
>which is based on the IMSI of the SIM card.  Does anyone know if 
>there's a way to configure this so we'll get the UE MAC address 
>instead?
>
>Also, does Option 82 work for you guys?  I have it enabled, but I don't 
>see any relay agent information being populated.
>
>Thanks,
>Adam
>
>

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