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Forum Discussion

gwehrman's avatar
gwehrman
Guide
Apr 14, 2023
Solved

AC2600 WiFi Router (R7450) Internet connection drops on DHCP lease renewal

I have been experiencing periodic Internet drops on my home LAN for the past 6 months, year, or more.  I finally have isolated the problem to DHCP lease renewals.  Every time the WAN DHCP lease on my...
  • gwehrman's avatar
    gwehrman
    Apr 17, 2023

    The router is connected to my Motorola Surfboard SB6121 cable modem.

     

    After contacting Xfinity about my issue, they have helped mitigate the problem by extending my DHCP leases from 1 hour to 1 day.  Thank you Xfinity!

gwehrman's avatar
gwehrman
Guide
Apr 14, 2023

I'm not sure how I got R7800 into my post.  My router is the R7450 model.

plemans's avatar
plemans
Guru - Experienced User
Apr 14, 2023

what modem/gateway is it connected to?

  • gwehrman's avatar
    gwehrman
    Guide
    Apr 17, 2023

    The router is connected to my Motorola Surfboard SB6121 cable modem.

     

    After contacting Xfinity about my issue, they have helped mitigate the problem by extending my DHCP leases from 1 hour to 1 day.  Thank you Xfinity!