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Forum Discussion

greeno's avatar
greeno
Apprentice
Oct 09, 2023

cm600 won't negotiate 800down/100up

hi, gear: cm600, firmware V1.01.22, latest approved by xfinity. router is ubiquiti ER-X (1gig cable aggregate). xfinity super fast, 800down/100up, purchased plan.  we just went from a triple play ...
greeno's avatar
greeno
Apprentice
Oct 09, 2023
I just order the cm1100.
It’s still annoying that they’ve essentially blacklisted my cm600 so they it can’t be provisioned to 400/100.
greeno's avatar
greeno
Apprentice
Oct 09, 2023

i'm in a similar situation with a CM600.  the modem is locked to a 400mbps down/ 20mbps up profile and cannot be re-provisitioned to the 800/100 i pay for.  CM600 is docsis 3.0.  to get the profile/speed i pay for i have to upgrade to a docsis 3.1 model.  just purchased a CM1100.

 

best,

jeff

  • plemans's avatar
    plemans
    Guru - Experienced User
    Oct 14, 2023

    Hope it works well for you!

    • greeno's avatar
      greeno
      Apprentice
      Oct 14, 2023

      Comcast tech came out. First informed me that only their modem and some hitrons will give more than 25mbps up. Comcast locks it at this. Vendors and Comcast have not agreed on a spec for the upstream bonding.
      We verified at the modem I’m getting more than 800mbps down. At the router I’m getting have that. The switch in the edgerouter-x is cutting the bandwidth.
      I dropped in openwrt and that removed the switch overhead.
      So we wait for netgear and comcast to agree on the upstream spec.
      Best,
      Jeff