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CM1000 ipv6 only

rcmlynn
Luminary

CM1000 ipv6 only

Hi all -- my CM1000 cable modem is reporting the following:

IP Provisioning ModeHonor MDDIPv6 only

 

I'm assuming "IPv6 only" may be related to my observed speed and connectivity performance degradation for specific sites - I would maybe expect to see something more about IPv4 support as well.  I have tried rebooting, factory resets, and have tried to work with the ISP (who said they don't have the appropriate access to change settings on my cable modem).  Should I either be seeing something else besides IPv6 only that implies additional IPv4 support?

 

thanks,

rcmlynn

Model: CM1000|Ultra-High Speed Cable Modem—DOCSIS® 3.1 Ready
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FURRYe38
Guru

Re: CM1000 ipv6 only

ALL cable modems use and support IPv4.

 

My Setup ISP SparkLight | Internet Cable 1000↓/50↑ CM1200 Modem |  Wifi Router Orbi RBK853 (Router Mode), Wired Backhaul and RBK752 | Switches NG GS105/8, GS308v3, GS110MX and XS505M | 

Additional NG HW: C7800/CAX80/CM1100/CM1200/CM2000, Orbi: CBK40, CBK752, RBK50, RBK853, RBK752, RBK953, SXK30 | NightHawk: R7000, R7800, R7960P, R8000, R8500, RAXE500, RAX50, XR450, EX7500/EX7700

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