Reply To: RT-AC66U – Cisco SPA122 ATA Hi guys, I am trying to connect my ATA to my network, if I plug it straight into one of the ethernet ports on the router itself, it works perfectly,…

[UK Sentinel]

I remember working on a few Cisco firewalls back in the day, painful times

Try adding the IP address. it may work ?

On your ASUS RT-AC66U, disable NAT acceleration, and see if that helps as NAT Acceleration can be fussy ?

The Grandstream HT802 is still supported, which is good, do you have a spare networking switch /  hub  lying around, if so try plugging the Cisco SPA 122 ATA into that and then plug switch into walls Ethernet socket and see if that works.

If above options fail, then maybe worth looking at the Grandstream HT802 as the Wall Network socket does seem to work, but not for the Cisco SPA 122 ATA 

In a completely sane world, madness is the only freedom (J.G.Ballard).

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