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I am using Comcast Internet Service and my IP address assigned a short-term DHCP lease

The reasons for obtaining a short-term DHCP lease are given in this article.

You may obtain a short-term DHCP lease due to the following reasons:
  • Computer with a new network interface card (NIC), is a device that you are connecting for the first time or the addition or removal of networking equipment.

  • A computer that has been turned off for an extended period of time may also be interpreted as newly connected by the DHCP server.  

  • Maintenance is being performed on the DHCP servers or elsewhere on the Comcast network.

  • The device connected to the cable modem is not functioning properly.

  • Regardless of the length of the lease, a properly configured device will automatically renew the DHCP lease when the current lease expires.  This should not cause an interruption in service.

 

NOTE: If your cable modem is not configured to DHCP, DHCP configuration instructions for your router will need to be obtained from the router's manufacturer. 

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