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T48G with WIFI auto provision bug
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freak Offline
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Posts: 19
Joined: May 2014
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Post: #3
RE: T48G with WIFI auto provision bug
(12-13-2016 03:15 AM)Jensen Wrote:  Hi Freak,

first, I would like to share with you that the MAC showing on Yealink phone(Menu - Status - General - MAC) is permanent, Every phone with a Unique MAC address. So it is not relate with the method the phone obtained the IP address.
It's confusing to someone setting up the phones but ok.

(12-13-2016 03:15 AM)Jensen Wrote:  second, the difference of using wired or wifi dongle is the way to obtain the IP address.
Not sure what you are trying to say here.

(12-13-2016 03:15 AM)Jensen Wrote:  regarding the issue, may i know if the phone obtain the IP address while using wifi dongle?
Yes the phone gets an ip address using the wifi dongle.

(12-13-2016 03:15 AM)Jensen Wrote:  on the other hands, why you need the change of the MAC?
I don't need to change the mac. I need the phone to request the proper configuration file based on the mac address like any other phone does.

(12-13-2016 03:15 AM)Jensen Wrote:  May i know the type of the phone to obtained the IP address: static IP, DHCP?
It's DHCP.

(12-13-2016 03:15 AM)Jensen Wrote:  if using DHCP, how you set up your DHCP server?
It's set up like any other dhcp server. But again the phone gets an ip address that is not the problem.

(12-13-2016 03:15 AM)Jensen Wrote:  for the auto provisioning, 1): the phone obtained the IP address, 2): the provisioning server is accessable for this IP 3): there are two files on the provisioning server for the phone(MAC.cfg, common.cfg). then the phone can autop normally.
This is all correct. The problem is that when the phone system presumably arps the ip address, arp returns the mac address of the current used interface which now is the wifi interface. To explain this lets say the mac address of the built in ethernet adapter is 11111111 and lets say the mac address of the wifi adapter is 22222222. Arp returns 22222222 so a config file is created by the phone system that is called 22222222.cfg. Good so far. Now the phone boots. When it boots it looks at the tftp server and should be looking for a file called 22222222.cfg because that is the active interface. But's it's not. Instead it is looking for 11111111.cfg which is not created because it's not the active interface. Can you see the problem?
(This post was last modified: 12-13-2016 01:29 PM by freak.)
12-13-2016 01:27 PM
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Messages In This Thread
T48G with WIFI auto provision bug - freak - 12-12-2016, 08:33 PM
RE: T48G with WIFI auto provision bug - freak - 12-13-2016 01:27 PM

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