Time capsule does not connect to the Internet! Help!

I bought my own personal modem (surfboard SB6121) and activated with Comcast. I connect to my modem via an Ethernet cable and it works perfectly. But when I connect the modem to time capsule, I can't connect to the internet. I have already restored it and still nothing. The light blinks orange and 2 notification messages I get are no internet connection and no DNS server.

anything else I can do?

Apple routers have known problems with some modems... which you have chosen the second worst... SB6141 is most noted as problematic, followed closely by SB6121.

The question is the more remarkable with the airports of model AC... If TC or AE.

The perhaps impossible question of fixing...

First of all turned off, looks that you can not be Exchange to the customer or to the router modem correctly.

When swap you from a computer directly connected to the TC you MUST turn off the modem for about 15-20 min... you do this?

Otherwise, it's what it takes...

If you have already done this... Sorry it is simply the question of compatibility and will not work.

Are you IPv6 zone you define IPv6 properly...

See http://mydeviceinfo.xfinity.com/download.php?file_id=35

Tags: Wireless

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