Ranz's profile

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Cisco DCP3825 and the IGMP Proxy setting

I am trying to either enable or disable the Internet Group Membership Protocol (IGMP) Proxy on my Cox firmware'd Cisco DCP3852.

According to the modem's help guide, it should be located in the Management tab under Administration.

It is not visible.

I believe the option is still available, but it has been hidden by the Cox firmware installed on the modem.

Has anyone been able to find a way to enable or disable the IGMP Proxy setting? I'd really like to be able to use my wired desktop with my Chromecast. 

Elsewhere, If I absolutely have to, how would I go about requesting a different model of modem?

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Im not sure I understand. Are you just going down the list of solutions on this page? If so, then you want to enable IGMP, not disable it. And by default it is enabled. Cox probably just removed the ability to disable the feature since I cant think of any reason why you would need to disable it. Page 78 of manual

"IGMP forwarding (proxying) is a system that improves
multicasting for LAN-side clients. If the clients support this
option, keep the default, Enable. Otherwise, select Disable.

So the real question is what kind of problem are you having connecting your Chromecast? Is it not connecting to the network at all? Slow? Intermittent? Etc


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Interesting. The help file I have reads "Internet Group Membership Protocol (IGMP) is a system to improve multicasting for wireless clients. This should be set to Enable if your clients support it; otherwise, select Disable."

I wasn't exactly sure what the default setting was but everything I've read on the internet told me to investigate this option if I were having trouble.

My Chromecast works just fine when I use any of my wireless devices with it (phone/laptop) but when I try to cast from my desktop it doesn't detect it. 

Everyone I have asked has stated that I only need wifi for setting it up (which I've done), but my desktop still doesn't see it. I guess I'll contact Google now that I know IGMP is on by default.

Valued Contributor III

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Im not 100% familar with the Desktop to Chromecast procedure. Do you have a link to the instructions you are fallowing? Also, what APP you trying to stream? Netflix? youtube? Have you tried this?