DPC3939B in true bridge mode, with single static IP?
Hi - We have a Cisco DPC3939B installed on our office LAN that is causing us nothing but grief because apparently DHCP for IPv6 cannot be disabled. DHCP is already done via a server on our LAN. We...
View ArticleNeed Gateway Password Reset
Hi, Need to update some settings and cannot access the gateway/router using defaults. Please reset to cusadmin/highspeed. THANKS IN ADVANCE.
View ArticleTransferring my Business Phone to Residential....didn't work
Hey guys! I recently went through the process of transferring my Business phone through Comcast, to residential Comcast. I signed everything I thought Ineeded to (through Verisign), and today- I have...
View ArticleUnable to "see" my Wireless Parallel Port Device's broadcast after switching...
I've been scouring the Internet and these forums trying to figure this crazy issue:I switched to Comcast Business Internet from AT&T DSL.Prior to the switch all was well as follows:I have Apple...
View ArticleUnable to log into the Business Gateway
I have done a reset on the gateway and I am still unable to log in. I am getting The login attempt failed. Anything else that I can do other than the reset.
View Articlerouter not communicating consistently with Apple devices (iPad, iPhone and...
We have a Cisco router set up for our computers. It has three signals. The hotspot Xfinity to which noone connects. Then I've named the other two and many people are having trouble finding both of...
View ArticlePort forwarding for 1 public IP and 2 servers
We have an SMCD3G-CCR gateway and one public IP address. We also have two servers with LAN IP addresses 10.1.10.2 (server 1) and 10.1.10.9 (server 2). How do we configure port forwarding so that all...
View ArticleSMC Username and Password
I cannot login and manage my gateway with my username and password. How can I reset this?
View Articlemilliwatt test for Comcast lines
Greetings all, I recently transferred my office telephone lines from AT&T to Business Comcast, I use a Cisco router and a Harrier. I still have some business pending with AT&T and this week I...
View ArticleSMCD3G - Internet Drops
We have had a reoccurring issue that is driving me mad and I'm hoping I can find some help here. Every 1-2 weeks it seems like something happens where our internet will start having really bad ping...
View ArticleWeb Portal - True Bridge Mode
This may have been asked previously, but... Ever since changing to true bridge mode, I'm not able to access the webportal for my modem. I had previously set the LAN to have a static IP address. When I...
View ArticleTrue Bridge Mode
Hello, I've been trying to place my modem into true bridge mode and handoff all functions to my router I've called the support number several times and tier 2 support even contacted with me with no...
View ArticleFound a bug with the SMC and IPv6
I believe that I've found a bug with the firmware in the SMC modems. If you have IPv6 support and you want to use it, you might go into the admin web console Firewall -> Port Configuration ->...
View ArticleStatic IP to Linux Router Configuration
I have a Linux router that handles the outbound connection for our corporate network. It's worked reliably for years with other network providers. We recently had Comcast Business installed with 13...
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Why is there 5-10ms latency to the LAN port of the Cisco DPC3939b?
I just had my Netgear swapped out for a Cisco DPC3939b, and the latency to the 10.1.10.1 LAN IP is absurd for being connected over CAT 5e: [quote]PING 10.1.10.1 (10.1.10.1): 56 data bytes64 bytes from...
View ArticleBroken Modem, but can't get in touch with support?
My modem keeps losing connection. I tried calling in to general support line, and the self-help says there's something wrong with my modem. It tries to transfer me to support, and just hangs up. How...
View ArticleDPC3939B unable to log in to the utility manager
Hello, I've used the http://10.1.10.1 to try and log in to change some settings and all I get is the repeat error message in my browser "This Web Page Is Not Available". I don't ever get to the log in...
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How to change to DOCSYS3.0?
I have the Teleworker Business acoount with the Cable Modem: Hardware InformationSystem: ARRIS DOCSIS 3.0 Touchstone WideBand Cable ModemHW_REV: 3VENDOR: Arris Interactive, L.L.C.BOOTR: 1.2.1.25SW_REV:...
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