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INTENS1
Never Stop Trying
Premium,MVM
join:2002-04-21
Midwest
kudos:2
reply to NetDog

Re: [IPv6] Evidence of Comcast IPv6 CPE Dual Stack (CPE and CPEPD)

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Springfield IL
Linksys EA2700

I've had the same setup for years....bought a new computer with Windows 7....nothing else was changed.
--
Anticipate Nothing...Expect Everything

biomesh
Premium
join:2006-07-08
Tomball, TX
reply to NetDog
Location: Tomball, TX (suburb of Houston)
Modem: Motorola SB6141
Router: Mikrotik RB450G ROSv 6.6
OS: Win8
Browser: Chrome Version 32.0.1700.6 dev-m Aura


elkido122

join:2011-02-23
Folsom, CA
reply to elkido122
»stage.results.speedtest.comcast. ··· 0624.png


elkido122

join:2011-02-23
Folsom, CA
reply to MDA
you can add folsom ca to the list... getting a 2601 address happy camper here


MDA
Auto negotiating
Premium
join:2013-09-10
Minneapolis, MN
Reviews:
·Comcast

1 recommendation

reply to NetDog
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Location: Bloomington, MN
Modem + Router: Arris TM722G + D-Link DIR-636L

IPv6 became enabled in my area around the middle of July.

vandergraff2

join:2005-10-17
Los Gatos, CA

1 recommendation

reply to luckmann

Re: [IPv6] Evidence of Comcast IPv6 CPE Dual Stack (CPE and CPEP

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OK I went ahead and tried in Santa Cruz County, CA - seems to be working fine.

SB6121 & ASUS RT-N66U with latest Merlin firmware with IPv6 firewall enabled.

It looks like PC's (Win7), iPad and occasionally iPhone 4S are only local IPv6 clients.

I seem to be getting /64

I ran the firewall test that was recommended in another thread »ipv6.chappell-family.com/ipv6tcp ··· tcptest/

All ports are are green (stealth)

I followed the Comcast recommendations and selected 'Connect to DNS Server automatically' on my router which worked fine. I also tried using OpenDNS IPv6 Sandbox IPs and these seem to work fine as well. Any downside (or upside) to using OpenDNS for IPv6 (I use their DNS servers for IPv4)

Finally ping and speed test seem identical on IPv4 / IPv6

luckmann

join:2004-06-27
Albuquerque, NM
Reviews:
·Comcast

1 edit
reply to NetDog
Finally got IPv6 Enabled here.

Your IP address is 2601:0:780:5e5:bdf1:967d:
Congrats! You are using IPv6 on the Comcast Cable network.
- See more at: »comcast6.net/#sthash.QOHUO7pD.dp ··· 7pD.dpuf

Albuquerque, NM
TM722G connected
Netgear WNDR3700v4


mustang50
Premium
join:2005-05-06
Roseville, MI
Reviews:
·Comcast
reply to NetDog
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Guess I'll be the first one from MI to report...

Roseville, MI
SB 6141
Belkin 750 db

travelguy

join:1999-09-03
Santa Fe, NM
Reviews:
·Callcentric
reply to NetDog
At last!
Expand your moderator at work


tshirt
Premium
join:2004-07-11
Snohomish, WA
kudos:5
Reviews:
·Comcast
reply to jjgregory

Re: [IPv6] Evidence of Comcast IPv6 CPE Dual Stack (CPE and CPEP

jjgregory See Profile a 2002 means you are using a 6 to 4 tunnel rather than a native IPv6 so you aren't quite done.
As you point out That router doesn't have IPv6 support, but I believe openwrt, dd-wrt and shibby all firmwares can help
as always at your own risk
»wiki.openwrt.org/toh/linksys/e30 ··· ys/e3000

jjgregory
Premium
join:2009-08-05
Marietta, GA
reply to NetDog
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Marietta is a suburb of Hotlanta.
Win 7/64 bit with an E3000 Router (which is not IPv6 compatible).
Using a Cisco SG-200-08 Managed Switch behind the Router with IPv6 and LACP Teaming enabled on a 2GB Home network.
All the IPv6 addressing that one would expect to see in the Network Connection Details is there.


USR56K

join:2000-05-20
Lynnwood, WA
reply to NetDog
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Location: Lynnwood, WA
Modem: Ubee DDM3513 (boot 6.1.1c, software 3.10.1315, hardware 1.47.3)
Router: Asus RT-AC66U (firmware 3.0.0.4.374_130)
OS: Win7
Browser: FF 24
--
If it's not on Google, then it doesn't exist.

**DC++ FAQ**


HunterZ

join:2003-07-16
Kent, WA

3 edits
reply to NetDog
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Got native ipv6 south of Covington, WA. Using Toastman Tomato with IPv6 mode set to "DHCPv6 with Prefix Delegation".

I actually was having problems accessing some sites this morning (especially Google ones) because my router was configured to use a tunnel or whatever while my router was getting a native ipv6 address. Seems to be fine now that I've switched over to DHCPv6 w/PD and removed all static address stuff.
Expand your moderator at work


NetDog
Premium,VIP
join:2002-03-04
Parker, CO
kudos:81
reply to MDA

Re: [IPv6] Evidence of Comcast IPv6 CPE Dual Stack (CPE and CPEP

said by MDA:

Router is set in Pass-Through mode because prefix delegation works on Comcast's end (no need for DHCPv6 since DNS addresses and other client IP's passthrough successfully).

I'm not too worried ill reach the 18 quintillion address limit either

That is not the correct setup.. You shouldn't use pass-through, we will only issue you as many IP's as your account allows. You should have your router setup to accept a PD. This way all your devices will get a IP from the Pd scope and not the WAN scope.
--
Comcaster.. Network Engineer with NETO


MDA
Auto negotiating
Premium
join:2013-09-10
Minneapolis, MN

3 edits
reply to elkido122
*mod please delete*


elkido122

join:2011-02-23
Folsom, CA
reply to tshirt
Nice where at


tshirt
Premium
join:2004-07-11
Snohomish, WA
kudos:5
Reviews:
·Comcast

1 edit

1 recommendation

reply to NetDog
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Ipv6 Ready
Looking good in my neighborhood
Snohomish, WA (served out of Everett, WA)
SB6120
DIR-655 B1 running version 2.10 firmware

briar7

join:2006-05-25
Oak Harbor, WA
reply to NetDog
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1) Oak Harbor, WA
Modem: Motorola SB6121
Router: D-Link DIR-645

dccatl1

join:2009-12-28
Mableton, GA
reply to NetDog
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1) Mableton, GA
2) Zoom 5341J --> Netgear WNDR4500

charlesed

join:2011-06-28
Minneapolis, MN
reply to NetDog
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Crystal, MN
pfSense 2.1-RC1 (i386, built on Wed Aug 28 16:55:02 EDT 2013)

djoye

join:2009-08-15
Murfreesboro, TN
reply to NetDog
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Nashville
5341j
Netgear WNDR4300


Chris 313
Come get some
Premium
join:2004-07-18
Houma, LA
kudos:1
Reviews:
·AT&T U-Verse
·Comcast
·Vonage
·Comcast Digital ..

2 recommendations

reply to NetDog
Houma, La
Motorola SB6141
Asus RT-N66U
Windows XP SP3

From »test-ipv6.com/ -

Your IPv4 address on the public Internet appears to be 75
(COMCAST-22258 - Comcast Cable Communications Holdings, Inc)

Your IPv6 address on the public Internet appears to be 2601
(COMCAST-7922 - Comcast Cable Communications, Inc.)

Since you have IPv6, we are including a tab that shows how well you can reach other IPv6 sites. [more info]

Good news! Your current configuration will continue to work as web sites enable IPv6.

Rediness score: 10/10

Keep up with the good upgrades, NetDog. Your IPv6 upgrades have spread to Louisiana and the Cisco 10k CMTSs that we have here!

Trips

join:2002-06-14
Augusta, GA

2 edits
reply to NetDog
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Augusta, GA
Arris CM820A
Linksys E4200v2
Windows 7 Ultimate 64-bit

willmo

join:2013-06-03
Seattle, WA

1 recommendation

reply to willmo
Working now, everything's 10/10. Thanks guys! This is about as good as it gets for residential ISP support.

willmo

join:2013-06-03
Seattle, WA
reply to netcool
Now packets from my LAN aren't even making it to hop 3 in the traceroute I posted. PMs sent.

I did have an issue a couple times where OpenWRT's new DHCPv6 client (odhcp6c) freaked out and started sending packets out the WAN interface as fast as it could (many thousands per second), using 100% CPU. This happened once a couple months ago and again a few days ago, which was why I decided to update OpenWRT Tuesday night. I didn't really have a chance to investigate since at the time I just needed my router to stop being slow (killing the process fixed it). I'd been wondering if that would cause me to be IPv6-blacklisted or something. But hopefully since IPv6 wasn't enabled then (at least the first time) the packets never made it to the DOCSIS side of my modem...


netcool
Premium,VIP
join:2008-11-05
Englewood, CO
kudos:117
reply to willmo
said by willmo:

Clearly packets from my LAN *are* making it out of my router into Comcast's network (the 2001:558 addresses), but Comcast is not routing packets to and/or from my LAN.

Can you run your tests again? Your CMTS wasn't properly advertising its IPV6 routes, we corrected the config and you should be good now.


NetDog
Premium,VIP
join:2002-03-04
Parker, CO
kudos:81
reply to willmo
said by willmo:

Seattle, WA (Capitol Hill)
SB6121
Netgear WNDR3700v1
OpenWRT trunk r37767 (I build it from source myself)
Performance

Your CMTS is enabled for IPv6 CPE, I just checked send me your CM MAC please so I can check your modem.
--
Comcaster.. Network Engineer with NETO

willmo

join:2013-06-03
Seattle, WA
reply to willmo
Actually it appears that my router is working, and Comcast just hasn't finished enabling IPv6 here yet.

My router itself has full IPv6 connectivity, but machines on my LAN can't reach the Internet. At first I assumed my router wasn't routing, but traceroute6 says otherwise. On the router:


On a machine on my LAN:


Clearly packets from my LAN *are* making it out of my router into Comcast's network (the 2001:558 addresses), but Comcast is not routing packets to and/or from my LAN.

It's interesting how they do this in stages: last night my router wasn't getting any DHCPv6 responses, but it was spewing messages about being unable to reach several addresses in 2001:558:4082:63::/64. I assume it was receiving ICMPv6 packets and trying to respond, but couldn't because it didn't have an IPv6 address (?).

Oh well, I'm patient. :-)

Seattle, WA (Capitol Hill)
SB6121
Netgear WNDR3700v1
OpenWRT trunk r37767 (I build it from source myself)
Performance