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Change IP on Xfinity Cisco DPC3941T modem/router

Posted: Thu Dec 13, 2018 6:28 pm
by wimip001
Hi. My internet/phone connections are with xfinity using a Cisco DPC3941T modem/router.
The device is in bridged mode.
I have tried power cycling for 15 min and for 6 hours with all devices in the network off and/or unplugged.
The IP address does not change. I don't see a way to release the IP in the router software.
Any suggestions how to do this?