Purchased own modem
I only have business class internet and purchased my own modem in accordance to http://mydeviceinfo.comcast.net/ . I purchased the Cisco DPC3008 The lady told me that she couldn't hook it up as they...
View ArticlePort 80 on Comcast Gateway (SMC 3DG-CCR)
We have a Comcast business gateway (SMC 3DG-CCR) that serves as our Internet router. Like many organizations, we have been attacked regularly by malware from the Internet. Most of these intrusion...
View ArticleModem default password not working on new install
I just had my cable modem replaced today, and the default user/password combination is not working on 10.1.10.1.
View ArticleDPC3939B - Reserved IP Conflicts
I've been using the DPC3939B through three changes of computers. Two of the computers are using completely new NICs, and as such have different MAC addresses. For some reason, the DPC3939B fails to...
View ArticleClik here to view.
Ethernet to CoAxel
Hi, I am as newcomer to comcast, and I have seen that I may need a coaxel socket in my house, but unfortunately I do not have one. I was wondering if maybe comcast would allow me to use an ethernet to...
View ArticleChromecast with DPC3939B Router
It has been seven months since the orginal post on this topic was created. I am new to Chromecast and having had trouble getting it to worked Google'd it. eading me here. So, Community Managers.In the...
View ArticleGateway as just a modem?
I have a CG3000DCR that is setup up as a gateway/modem. I need to know if I can put it in bridge mode and have it act as just a modem and let me wireless router that is connected to it do all needed...
View ArticleComcast gateway address
We have two remote sites with Comcast accounts. The modems are configured by Comcast with DHCP IPs. Since this is the gateway IP our VPN uses, we would like to have this static, not dynamic. So far,...
View ArticlePort Forwarding on the Cisco 3939B - Falco CCTV DVR.
Our community association just received a Cisco 3939B business gateway from Comcast to replace a SMC 8014. One of the uses for our gateway is to provide access to our Falco CCTV DVR that was installed...
View ArticleNetwork/DHCP issues after modem reboot
We had some power issues and our modem rebooted. After it came back up, our internet quit working thru the local area network and users were unable to logon to the server. I noticed on the server our...
View ArticleI appear to have 2 modems--What's up?
I have a Netgear CG3000DCR and an ArrisTM604G/CT. The only way I've had wireless is by running everything through my old Dlink router. When I log in to set up the wireless, I have a different window...
View ArticleClik here to view.
Netgear CG3000DCR modem - firmware was upgraded to V3.01.05, now rebooting...
I have a Netgear CG3000DCR modem with my Comcast Business Internet service and noticed that it recently updated from firmware V3.01.04 to V3.01.05. Since that firmware upgrade happened the modem has...
View ArticleIntermittent Service & Down/UpLoad Speeds
Since moving to our new offices, we have been experiencing intermittent issues with connectivity. The service rep said we may have old lines in the building (brand new build out) or old equipment. He...
View ArticleNeed help resetting modem password please...
Hello, For what ever reason, custadmin / highspeed doesn't work for me, nor do any of the passwords which I would have usedin that spot. What is the best way to get the box pwd reset? Can I reset the...
View ArticleComcast Gateway LAN is class c, need it to be class b
Our LAN is class B and needs to be for our purposes. Right now routing through a third party firewall to reach the comcast router which is only can be set to class c subnet. Would prefer to use...
View ArticleBridge Mode Help
I am in dire need of some help as talking on the phone has gotten me nowhere. I am in need of putting this comcast modem in "TRUE" bridge mode so our new router can handle the new internal network that...
View ArticleBridged Modem, static IP config help needed
New install yesterday, moving from Centurylink DSL. Had 5 static IP's and a bridged modem with DSL, used a Unified Threat Management server (untangle.com, highly recommend & can't beat the price)...
View ArticlePassword reset for SMC Business Gateway
Please reset our SMC Business Gateway password. I need to make a change and I'm not able to login. Thanks
View ArticleRouter password reset and strange connectivity issue.
I sent this as a private message to both John and Jacob, but in case this is faster, I am posting it here. I had changed my default password some time ago and unfortunately must have forgotten it. I...
View Article