Cisco DPC3825 Gateway

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I'm an Advisor
Posts: 842

Re: Cisco DPC3825 Gateway

@bmillett:

 

congratulations on a successful setup, and thanks for letting the Forum know about it.

 

I am not a WiFi specialist, and perhaps someone with more experience in that area will help us out with comments on this issue.  As you have described your setup, I have some concerns with what you have done.  You mention that you: " set the wireless (on the Dlink) to have the same name (SSID) and passkey."

 

I have two questions/issues with that:

 

1. If I understood you correctly, when you do a WiFi connect you "see" two networks, each with the same SSID and the same passkey.  Therefore at any given time you cannot tell which one it is to which you are connecting.  This may be OK most of the time.  But what happens if you get into a troubleshooting situation, and need to determine which of the two networks it is to which you are connecting?  I know there are indirect ways of figuring this out, but this could be problematic at times.  Therefore having different SSID's on the two devices may be advantageous.

 

2. do you know what WiFi channels the two routers use?  If you have set it up explicitly that they operate on different (and somewhat separated) channels, that would, I think be the way to go.  However, if you have left both routers to select automatically their WiFi channels, you might run into conflict situations should they both end up on the same WiFi channels.  I am not positive on this, but I would assume that there could be radio interference between the two devices when they transmit on the same channel at the same time.  Also, the WiFi handling code in the PC's that connect might not be able to handle such a conflict.  The PC would see two different WiFi connection opportunities on the same frequency band.

 

Perhaps you could enlighten us on the details of your setup.

 

And perhaps others more experienced than me could comment as well on the above two points.

 

skinorth

 

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Resident Expert
Resident Expert
Posts: 14,170

Re: Cisco DPC3825 Gateway

Myself I just recently upgraded from the old stand alone modem, to this one, only to take advantage of the speed boost, etc that would not work with the old modem.

I originally I was going to set it up as two access points, it and my existing router, to spread out the signal, but as I guessed, this one is very lacking. Only B&g connections, limited preferences to change.
My linkage router is dual band up to N.

Personally, my opinion, unless you need the extra access point when putting it and another router together, just disable the wireless on the modem.
Currently I have my modem wireless off, dhcp on, then a wired connection from one port to a regular wired port on the router. Router has dhcp turned off.

Works like a charm, only one device with a static ip I had to fix, other static and dhcp connected devices are fine, and did seem to notice a slight boost!


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I've Been Around
Posts: 1

Re: Cisco DPC3825 Gateway

Thank you, Disgruntled. The information that you provided helps a lot. You are the man!

 

Cheers.

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I Plan to Stick Around
Posts: 31

Re: Cisco DPC3825 Gateway

I agree. I just updated to the Cisco 3825 and did the same thing, actually I have always done the same thing (sans wireless gateway) when using a router. I prefer MAC filtering and fixed addresses.

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I've Been Here Awhile
Posts: 3

Re: Cisco DPC3825 Gateway

Not sure if there is a reset button on this unit. In my case, I had to call tech support  and my modem/router was fixed at Rogers' end. A simple change of channel has to be done at Rogers' end as well.

 

If anyone knows how to change the channel at the user end, please post.

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I've Been Around
Posts: 1

Re: Cisco DPC3825 Gateway

like usual people like to blame everyone else...   took less than 10 seconds to set my ciso up in bridge mode... there is no "speruser"  access from rogers.

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I've Been Around
Posts: 1

Re: Cisco DPC3825 Gateway

What firmware version do you have?

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I've Been Here Awhile
Posts: 2

Re: Cisco DPC3825 Gateway

thank you so much 2h of searching!! so thankyou i am eternally in your debt lol now i can port forward. thankyou one more time!!
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I've Been Here Awhile
Posts: 2

Re: Cisco DPC3825 Gateway

this works with shaw to btw

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I Plan to Stick Around
Posts: 16

Re: Cisco DPC3825 Gateway

Picked up my 3825 yesterday. Put it in bridge mode and turned off the wireless function as I've heard lots of horror stories on the wireless capabilities of then unit and insteadnchosentobuse my trusty DLink 655. All seems to work fine but I have a question. Have heard many people refer to speedboost. How does one turn this on?