[cisco-voip] ATA190

[Ryan Huff]

Yes, that is correct. 

The ports are differentiated by the device name. However, the ports themselves are registered to CCM and communicate on the network through a single network interface on the ATA.

The second port in the ATA will have the first two characters striped from the beginning of the MAC address and a “01” appended at the end of the MAC address (shown in the device name of the two ports).

Essentially, the ATA is a mini, purpose built media conversion switch. A lot going on under the hood of those silly little things when you think about it :).

Thanks,

Ryan

> On May 22, 2018, at 04:57, Jon Fox <jonfoxipt at gmail.com> wrote:
> 
> Hello All
> 
> Trying to troubleshoot an issue with a Cisco ATA - CUCM 10.5.2SU3
> 
> I've not had to touch these for some time, so cannot remember if its natural behaviour for Port 1 and Port 2 registering with the same IP address? Is that standard? - Screenshot attached.
> 
> <image.png>
> 
> 
> Many thanks
> Jon
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