I am trying to get a client's router activated behind a 5031 in DMZ+ mode. Thing is everything works fine when the 3rd party router has a private IP. As soon as I activate the DMZ+ mode the router pulls the public IP but I loose internet connectivity. I can access the 5031 but external pings and nslookups fail. I personally have a 589/599 and the IP Passthrough mode works great.
I think they pushed a firmware update out because now there is a guest wifi and more IPv6 settings available. Can anyone check to see if it is indeed broken or just something arbitrary.
Modem has software version:
10.5.1.525900-att
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Dustin
"Let's ride!"
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