Cisco DPC3941B and port forwarding
Hello, It looks like I posted originally in the wrong subforum so perhaps posting in here can help me out. We have a DPC3941B and tryign to setup port forwarding where an external port routes to a...
View ArticleVLAN Issues
I recently had my modem installed and we have a static IP on it. If I plug a laptop directly into the modem, everything works fine. When I plug the modem into my switch (accessing VLAN ID 3) and...
View ArticleBusiness router CG3000DCR password reset
Last night we lost access to the Internet after our business Netgear CG3000DCR router rebooted. In trying to diagnose the problem, I attempted to log in to the router's web interface. The web interface...
View ArticleUnable to login to SMCD3GNV via Chrome but works fine with Firefox
Why is is that I am unable to login to the SMCD3GNV via the Google Chrome browserbut I am via Mozilla Firefox. With Chrome I do not get the "login attempt failed" popupunless I use an incorrect...
View ArticleUnable to login to Business Gateway
I am unable to login to the Comcast gateway to check settings; I am using the default user ID of cusadmin. I am pretty sure that I changed the password after installation, but the password is not...
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Disable my XFINITY® WiFi hotspot
I followed the instructions in the Manage your XFINITY® WiFi hotspot online article to try and disable the hotspot. I did not have the Manage XFINITY WiFi Hotspot option is references though. Could I...
View ArticleComcast modem won't talk to new gig switch
We have a Comcast modem / router (Cisco DPC3941B, 4 port, DOCSIS 3.0) and on the LAN side, a 24 port 10/100 netgear switch. Everything works great. We went to upgrade the swich to a Ntegear 100/1000...
View ArticleComcast Business Gateway Firmware Update
Hi. Two issues that support cannot help me with. 1. The Comcast-supplied "modem" will sometime decide to update its firmware in the middle of the day. This results in 10 minutes or so of downtime. Is...
View ArticleFree Business VoiceXpress Trial for California Customers
Free Business VoiceXpress Trial for California Customers Thank you for being a Comcast Business Class Internet customer! Comcast Business is launching a free trial of a mobile-enabled business phone...
View ArticleShould I change my Comcast provided SMCD3G-CCR modem?
This is a two-parter.I have a small apartment building and provide wireless internet to my tenants, mostly students. I've had Business Class Starter Internet Package since 2008 with the same Comcast...
View ArticleNew Install: SMCD3G not on 10.1.10.1
New SMC install and new business class service. The SMC D3G doesnt respond on 10.1.10.1. In looking at DHCP tables on my computer connected directly to SMC, Im on a 73.287.88.x network. Ive tried...
View ArticleSonicwall TZ105 Slower Bandwidth
I have a Sonicwall TZ 105 firewall at a location. The Comcast Business service for that location is Deluxe 150 (150/20). When I connect directly to the Comcast modem, I get the correct speeds. However,...
View ArticlePassword Reset Router
Please (any Comcast Admin) reset the cusadmin password on my Router/Gateway please. Thanks Dorian
View ArticleBusiness Gateway - Random Reboots
Looking for some help with our business gateway (Business Class Cable Internet). Support has rolled a few trucks but there is never a permanent resolution. Our gateway reboots 2-6 times per day. We see...
View ArticleSetting up web server
Is it possible to set up a Linux web server in my office, using only one static IP and one router? At my office, I don't have a coax jack, so the actual Comcast modem is in another room across the...
View ArticleRetail Router Selection
The allowed retail business routers by the Comasct system are outdated and limited. In comparison they "lease" a 4 port Cisco unit but only allow Surfboard one port units. Why add additional speed when...
View ArticleAre there any fast router/modem combos that are compatible & acceptable with...
I'm trying not to pay for the extra equipment and looking for a fast modem/router combo that will work with my Delux 75 Business plan.
View ArticleNeed to increase DHCP space
I keep having an issue when I try to expand the range of the DHCP server..When I set it to go above 199, I get a -Invalid value for VPN IP. VPN IP Range Cannot Overlap DHCP IP Range- error message....
View Articlebest vpn modem to go behind a cg3000dcr comcast modem using a static ip
I have asked this question before and tried the rt320 cisco router to no avail. The situation is: we have 3 locations. 1 is the location of our server the other 2 are satilite locations that connect...
View ArticleTrue Bridge Mode
I am not 100% certain that I need to use True Bridge mode . I am not wanting to use the router functionality that is built into the modem. I have some setting already set up on a secondary router. If i...
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