Need gateway in true bridge mode
Hello, I'm getting errors from some devices on my network about having a double NAT detected. I believe the solution is to turn my Comcast CG3000DHR into true bridge mode. I have an Orbi wifi+router...
View ArticleInternet down since Friday night, when can I expect a call?
My gateway was provisioned for static IP on Friday night. Apparently the change didn't work so the rep opened a ticket with "advanced repair". The change also took down my internet. To date I have not...
View ArticleExpired Chinese SHA-1 Certificates on Cisco DPC3941B modems?
Just tried logging into my modem today using secure https instead of standard http, and Firefox tells me that the certificate not only expired in 2013, but was issued in Shanghai, and uses the severely...
View ArticleNeed CG3000CDR Put Into Bridge Mode
Hi, I need to get a CG3000CDR put into bridge mode. I can provide Comcast account & router info via private message. Please let me know who can help. Thanks.
View ArticleChanged router IP address to now can't log into the router
I recently had to change to internal IP of my Comcast gateway, a CISCOModel dpc3941b, from 10.1.10.1 to 192.168.1.1, and now I can't log into it from the Admin Tool Login page. I needed to make this...
View ArticleMonitoring Comcast Business service via SNMP on Surfboard SB6190 cable modem?
Hi, According to Arris website, all cable modems are capable of being monitored via SNMP, but it seems the SNMP port on its LAN (192.168.100.1) is not open. Is it possible to open it up and allow...
View ArticleJust upgraded...now routing problems with NAT and port forwarding
Just got a shiny new CGA4131 with my upgraded business account. But, they took my old SMC modem and this new one doesn't seem to be able to do the things I want: - public to private port forwarding-...
View ArticleBridge mode?
I have had terrible internet service since my modem was upgraded 6 months ago. Any device connected to the Comcast modem via the built in WiFi or 2 different stand alone routers (Netgear and Google...
View ArticleCradlepoint DMZ
Hi, I'm a business customer with connection pro. I have the cradlepoint router, and I want to set up the dmz setting so that I can redirect incoming connection to inside of my network. Can I have the...
View ArticleDPC3939B port forwarding broken in edge browser
If you discover that port forwarding seems completely broken, i.e hitting save on the edit or create port forward screen just ignores you, then try a different browser. It seems the new chrome based...
View ArticleHow do I unblock a mac address automatically blocked by the modem's firewall?
I have the standard comcast business modem. I tried to use "Device Control Management > Managed Devices" to block one of my devices from connecting to WiFi from midnight to 6am. That worked, but...
View ArticleAdding 3rd party Wireless Mesh Network
I purchased a mesh wi-fi network (TP-Link Deco AX3000) and was trying to see if there is anything I need to know/do with the Cisco DCP3939B modem before I start to install these units. Thanks
View Articleresetting to default password on netgear modem gateway CG3000DCR
Hi,I recently became the new IT Manager and the default username and password to the gateway do not work. I suspect the old IT manager changed the password and it has been lost in the process.Is there...
View ArticleComcast Connection Pro shows Unplugged
Hi- Recently the status on Comcast Connection Pro shows as below:Broadband: ConnectedBackup Ready: Unplugged What does Unplugged mean? We have not changed anything in our setup or configuration. Let me...
View ArticleCan I activate and use a new SB8200 without talking with customer support?
I'm having trouble staying connected, and have decided to give a SB8200 a try. I have the unit in hand. I made it half-way through an hour with customer support a couple weeks ago to activate it, and...
View ArticleHow well does the Comcast business modem work with the UniFi network?
I upgraded ISPs recently and I am having trouble staying connected to both the LAN and WiFi.
View ArticleHelp Swapping out rental modem and dropping static IP addresses
Hello, What is the best way to do this. I no longer need the Static IP addresses on my account and want to return the rental modem and swap in my own, please bob
View ArticleNew Equipment
I switched from Xfinity to Comcast Business several months ago, but I haven't made the full switch yet. The reason is that my Business router seems to have some personal issues and I can't get them...
View ArticleCGA4131COM not clearing cusadmin lockout?
I managed to lock myself out of cusadmin on my Technicolor modem. What’s weird is that the login interface doesn’t appear to be clearing the lockout. I’ve waited several hours and am still denied with...
View ArticleClik here to view.
Can't see connected devices. Again.
So this has been ongoing for ages. Once again we can't see what devices are connected to our network, wired or wireless. We are working on updating some IP caneras and printers, but list the devices in...
View Article