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NetDog

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February 23rd, 2016

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NetDog
commented on 's post

9 years ago

Hi All, Moderators, please sticky this so people don't waste a lot of Comcast support time and get all frustrated!!!!! ROUNDUP OF COMCAST-SUPPLIED CABLE MODEM ROUTERS AND IPv6 USAGE 1) DO NOT READ THIS IF YOU DO NOT NEED A STATIC IPv4 SUBNET!!! 2) For those needing static IPv4 subnets, and wanting I

@flybynight wrote: IPv6 works fine as long as you receive a DHCP PD from the modem to your gateway. You can not use IPv6 unless you requested a prefix via DHCPv6. DHCPv6 is used to update the modems routing table, and you will see ICMPv6 errors (Type

NetDog
posted a question

February 23, 2016

9 years ago

Anyone else having issues with DHCPv6 on the Cisco IOS after about 3 months?  It will drop v6 and I have to do a {clear ipv6 dhcp client GigabitEthernet0/0} to get it back.. I wrote a script to check for v6 down on my linux box and fix it when it is gone..  Example below: NetDogRT01#sh ipv6 int brGi

NetDog
joined community.

February 23, 2016

NetDog
commented on 's post

9 years ago

I'm experiencing substantial packet loss uptsream of my modem (second hop) when using IPv6. I have two business class connections--one at home and one at the office--and both modems are in the same neighborhood, just down the road.  Both modems are Netgears and both experience similar levels o

Is this still an issue?  RF is good right?

NetDog
commented on 's post

9 years ago

Just called in on CR552203383, following up on a thread from 2014 asking when I might be able to see IPv6 Statics for my Business class service in Vancouver WA. I was put on hold while the agent asked engineering. The reply I was given was that "Next Year" was the date (that would be 2017), and that

@flybynight wrote:just got a new IPv6 prefix again this morning out of the blue. Looks like the modem was rebooted some time after midnight, maybe the firmware upgraded. So now I am reconfiguring firewall rules and all the good stuff to accommodate t