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Since connecting X1modem my ATT Microcell is nonfunctional?

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Re: Opening closed ports: 123, 443, 500, 4500. This is an AT&T requirement for the Cisco Microc

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Opening closed ports: 123, 443, 500, 4500. This is an AT&T requirement for the Cisco Microcell.

Opening closed ports: 123, 443, 500, 4500.  These are AT&T requirements for the Cisco Microcell.

All was okay until I upgrade to the new X1 modem.

Regular Visitor

Since connecting X1modem my ATT Microcell is nonfunctional?

Since connecting X1modem my AT&T Microcell is nonfunctional?  Any ideas???