What is docsis 3.1?
How much will the speed increase. Will it lower latency? And do they charge you for the new equipment?
View Article[Connectivity] Advice on high US dBvM
I have just installed Blast 50/10 using a BYOD Zoom 5341J and TP-Link R600VPN router, finally dumping ATT DSL as Uverse rolled into the neighborhood. I have had CC cable TV here for 10+ years. My...
View ArticleSpeedtest
This might be a dumb question, or asked before, but I have a question about the speedtest results. If I open two speedtest sessions in different tabs or windows and run them at the same time am I...
View Article[Signals] Technicolor TC8305C Modem. How can you check the signal levels?
Just had a tech install the referenced modem (Not sure that is the issue BTW). I'm no longer able to check the signals via the link in the Modem FAQ section. Any thoughts? Also, how does this modem...
View Article[Connectivity] Hillsboro OR Comcast connection droping. Problem with modem?
Hi, I have Comcast HSI 50Mbps in Hillsboro OR (97124) with a SB6121 modem. I've had the service for a few months now with no problems. Then recently I've been getting consistent connectivity failures....
View Article[IPv6] Nashville IPv6 speed test site
Any Comcast network engineers out there have any idea if/when the Nashville, TN IPv6 speed test site will be back on-line? C:\>dig -taaaa ipv6.nashville.speedtest.comcast.net ; <<>> DiG...
View Article[Caps] Netflix is using Peer to Peer on Smart TV?
Hi everyone, I am getting my install for Comcast this Saturday, moving away from Uverse which has been nothing but reliable, and they also don't play games with me when I request a discount each year....
View Article[DNS] DDNS dpc3939
Im trying to setup ddns with dpc3939 (xb3). It seens to support dyndns, afraid, tzo and, changeip. I created accounts with all of them. The modem doesn't seem to save the settings except from dyn. I...
View Article[Connectivity] IPv4 10/10, IPv6 10/10, but sporadic NAT & SIP latency issues
Modem: SURFboard SB6121 with IPv6 Only Router: ASUS RT-AC66U running Merlin 3.0.0.4.374.39, Native DHCP-PD Most of the time, the above combo is running quite well. Visits to...
View Article[WiFi] Speeds on Blast! package
Is it normal to always have slower IPv4 speed over WiFi than IPv6? Both appear to be normal when using Ethernet directly to the router. I got the following results:...
View Article[Equip] coax surge protectors?
specifically on an APC 1500 UPS. gotten conflicting information on whether they are worth using. had 1 comcast tech tell me that they cause problems with your signal, and should never be used, had...
View Article[Connectivity] West Michigan Service And Routing (plus bonus questions).
I currently have AT&T U-Verse, I am going to switch to Comcast next month. I am curious if anyone in my general area uses Crunchyroll. With U-Verse, I am reasonably sure due to routing, I get crap...
View Article[Speed] utorrent
I found some companys using Torrent places to download demos my question is "why with 30 meg download speed the max I get downloading form torrent sites are 3.2 meg and how can i make it faster thanks...
View Article[IPv6] Xbox One Update
See http://comcast6.net/index.php/8-ipv6-trial-news-and-information/140-xbox-one-ipv6-update On February 15, 2014, Microsoft released a mandatory system update for the Xbox One that also addresses an...
View Article[Connectivity] Unable to reach comcast6.net
Just got native IPv6 and I am suddenly unable to reach comcast6.net. Just curious if anyone else has seen this problem. When I type in the url it just times out. All other sites working fine.
View Article[Install] Never give up - 10 months of back and forth
I posted a thread here a few months back about trying to get Comcast extended to my house, the line terminated about 600' from me. After some back and forth with Comcast, a figure of almost $1,400 to...
View Article[Speed] Santa Maria, CA - Unexplained Speed Increase
I have Blast service in Santa Maria, California. Speeds have been very consistent at about 57/11 per the Xfinity speed test site. This morning, the download speed has doubled, although upload hasn't...
View Article[Rant] It's all greed.
Not to mention Cogent is not the one demanding payment for peering, Comcast is. Comcast claims it's not a equal load so wants to be paid, but fact of the matter is Comcast primary customers are...
View Article[IPv6] No IPv6 rDNS yet?
I did an rDNS lookup to a few of my v6 IPs. Nothing yet. Anyone else seeing the same thing? dig -x 2601:d:3880:a8:a221:b7ff:f351:2432 ; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> -x...
View Article[DNS] pros and cons of using Comcast's DNS servers
thinking of switching my internal DNS server forwarding to using the internal 75.75.(75.75/76.76) instead of currently using OpenDNS, primarily for geographic reasons as opendns can sometimes resolve...
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