I filed a ticket and here is the body of it: ----------------- I didn't see the Archer C9 in the list, so this is filed under the C7. The UPNP sessions in the C9 are disappearing after a variable...

I have 3.17.0 Build 20150507 Rel.34590n on my Archer C9 and am experiencing the same UPNP issues. Erratic behavior in keeping the forwarding open for devices that establish the UPNP forwarding. I...