[CustSvc] Help With Service Upgrade Gone Bad (Updated OP)
All this took place on Comcast chat and every word is saved on my hard drive. Long story short (as it can be): I had Basic Internet only at $39.95 (reduced to that from Triple Play a few years ago due...
View Article[Security] Is abuse@comcast.net the best the way to report network attacks?
Hello. The last few weeks, I have been getting SSH brute force attacks by one of Comcast's Houston.hfc.comcastbusiness.net addresses. So far, I have reported this twice and one more this morning. I did...
View Article[Business] SMC D3G firmware update?
Just noticed I'm on 3.1.6.56 -- is this a new version or am I misremembering? I can't find reference to this version anywhere on the forums here.
View Article[Equip] Is Comcast going to claim my modem? (Updated OP)
Just curious if this looks normal to you folks that own your own modems. On Comcast's web sight my modem is listed as COMCASTMODEM SB6121. Should it not be Customerownedmodem or something? UPDATE EDIT:...
View Article[Business] Comcast Business Modem
Comcast just installed a new Cisco Business Modem (Model: DPC3939B) at a clients office and I went in to set up the port forwarding for 3 machines that use remote desktop to access their machines at...
View Article[Speed] Comcast 2014 Side Discussion about Doubling Speeds
Mod Note: Tracking here, please: https://secure.dslreports.com/forum/r28975270-Speed-Report-Tiers-Doubling-In-Speed-Here...
View ArticleIntermittent Packet loss on Business Class
I've been fighting with Comcast Business since May over some some very frustrating and sometimes crippling packet loss, and was wondering if anyone could provide advice/assistance on how to get it...
View ArticleHelp measure the global Internet!
Based in the U.S. and want to help measure the global Internet? There is a program called RIPE Atlas (see https://atlas.ripe.net/). It is run from the Netherlands at RIPE NCC, which is building the...
View ArticleComcast employee Internet access
My in-law who is a Tech IV for Comcast recently found out I had a porn addiction going into my marriage. He told me that is not good and that "he can view my Internet history any time he wants" to see...
View Article[Speed] Comcast speeds in CA
I recently moved to San Mateo, CA and ordered Performance tier service. Comcast's website claims this is supposed to be 50/10 but I consistently get 60/6 in speed tests. The teir 1 techs want to...
View Article[Connectivity] Pings timing out
Every two minutes I upload a webcam picture to server space I lease. Before each copy, the script pings the destination server to make sure it is available to receive the image file. Lately (past two...
View Article[Equip] Cisco DPC 3008 router mode?
hi there, is it possible to run DPC 3008 in router mode with Comcast? (i.e. the device is not transparent to the network, the device running NAT + DHCP server). It is capable of doing so, and is the...
View Article[Speed] Blast: very slow DL but normal UL speeds. Help please!
Hi everyone, I am posting a new thread in the hopes that I can still get some help with my internet speed issues! I have Comcast Blast 105, but instead of 105 download I normally get anywhere from...
View Article[Install] Comcast Internet Self Installation
Hi, I have DirecTv cable but I would like to install Comcast Internet in my room. My plan is to replace the DirecTv box with a modem, so next week I'll purchase a Comcast Internet Self Installation Kit...
View Article[Speed] Slow in Canton, MI
[att=1] I am having speed issues this morning. I have the 50 Mbps speed.
View Article[IPv6] IPv6 not reliable
Using ISC DHCP client 4.2.6 (dhclient -6 -P ....) /w SB6121 occasionally my /64 PD stops passing traffic. Manually forcing lease renewal restores traffic. While this always happens when modem reboots...
View Article[IPv6] IPv6 Problems with routers other than Netgear
Well aware of the current thread for IPv6 issues on Netgear routers. Starting a new one since my problem isn't happening on netgear. I replaced my WNDR3700v1 with a Tmobile TM-AC1900 (rebadged ASUS...
View Article[Connectivity] T3 timeouts Zoom 5341J
Wondering if anyone could assist me? Recently my connection has been dropping quite frequently. Not sure if this helps, though here is some diagnostic info: Hardware Version A0 Software Version...
View Article[Speed] Slow in Grand Rapids MI
blast 105 down has been about normal but up is really off anywhere between 6-8 i've had anywhere from 101-127 down http://www.speedtest.net/result/3889748900.png...
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