Equipment (Modems,Gateways)
Modems, Gateways, and Networking Devices
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New Contributor

Cisco DPC 3939B on an existing network

I have just moved from Comcast Residential to comcast Business. The business installation is complete and the service is on. I have an existing home - home office ethernet network with Newest Apple Router which I like verymuch and I would like to continue to use it in future. 

As a part of business comcast installation I have received a Cisco DPC 3939B which is a modem and and router. How do I eliminate router usage on cisco DPC 3939B and continue to use my apple Airport extreme. 

I would really love to receive detailed instructions on this problem because I am not very familiar with network terminology.

 

Secondly, I am having real trouble getting on   Cisco DPC 3939B configuration page(10.1.10.1)  to change its configuration. I have used Username admin and Password: password without success. 

thank you.

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Trusted Forum Contributor

Re: Cisco DPC 3939B on an existing network

first off, the default login is

username: cusadmin
password: highspeed

second, do you have a static IP?

View solution in original post

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New Contributor

Re: Cisco DPC 3939B on an existing network

No I donot have static IP address.

Thank you for your help.

View solution in original post

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3 REPLIES 3
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Trusted Forum Contributor

Re: Cisco DPC 3939B on an existing network

first off, the default login is

username: cusadmin
password: highspeed

second, do you have a static IP?

View solution in original post

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Community Manager
Community Manager

Re: Cisco DPC 3939B on an existing network

Hi ultrasound1.  In addition to the info provided by train_wreck, make sure the WAN interface of your Apple router is set to DHCP or obtain IP address automatically if you do not have a static IP address.  This is the easiest way to utilize both devices, also the access info provided by train_wreck will allow access to the gateway configuration screens.

Here is a link to the manual for the Cisco gateway.   http://www.cisco.com/web/consumer/pdf/OL-29163-01.pdf

 

 Thank You

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New Contributor

Re: Cisco DPC 3939B on an existing network

No I donot have static IP address.

Thank you for your help.

View solution in original post

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