NETGEAR is aware of a growing number of phone and online scams. To learn how to stay safe click here.
Forum Discussion
Solved
CM1100 IPv6 Problem (Xfinity)
Hi everyone,
I replaced our C7100V with a new CM1100 yesterday. After a bit of wrangling on the phone with Comcast, it's activated and working... but only on IPv4. Firmware version after the Comcas...
CM is just a bridge modem. It is not do anything for CPE side (LAN side) Ipv6 other than just mere forwarding it.
Comcast does DHCPv6 for the routers and provides a delegated Prefix (PD) along with it.
Not sure what firewall you are using, but most linux ones support DHCPv6 with PD.
I know little about IPv6, but ...
> [...] the CM1100 is indeed pulling an IPv6 address. [...]
The CM1100 is a modem, not a (modem+)router. What does it care about
IPv<Anything>? I'd expect a router, or your "our firewall (Untangle
v14.1.1)", to care about such things, but not a simple modem.
> One final question about the CM1100 - will there ever be an ADVANCED
> > Advanced Setup > IPv6 settings page for the CM1100, like with other
> Nighthawk products?
As with _which_ "other Nighthawk products"? Do you mean Nighthawk
(modem+)_router_ products? I wouldn't hold my breath.
CM is just a bridge modem. It is not do anything for CPE side (LAN side) Ipv6 other than just mere forwarding it.
Comcast does DHCPv6 for the routers and provides a delegated Prefix (PD) along with it.
Not sure what firewall you are using, but most linux ones support DHCPv6 with PD.