IPV6
Internet Protocol Version 6
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Occasional Visitor

Weird IPv6 prefix delegation

According to the Comcast Business site, I have a /56. This means I should be able to have up to 256 /64's correct?

 

This doesn't work for me. Others say that /60 should work. And it does... Sort of. with /60, I'm delegated /63's. Yes, 63, not 64. If I choose /59, I'm delegated /64's.

 

Is all of this expected? Is there something wonky on my side?

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5 REPLIES 5
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Official Employee

Re: Weird IPv6 prefix delegation

I'm so sorry about his matter. I'll check into this for you right away. All I need is your full name, account number (follow link https://comca.st/3aUlWGC, account number is at the top right)and address including city, state, and zip code exactly how it reflects on the bill? Thanks in advance. -Rob K. 

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Occasional Visitor

Re: Weird IPv6 prefix delegation

I can't login to that link as I do not have Xfinity. I do, however, have Comcast Business if that helps.

 

Thanks!

 

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Official Employee

Re: Weird IPv6 prefix delegation

Thanks for reaching back out and letting us know. You can always log into your business account online Through https://comca.st/36pI5c9 or you can always just provide your first and last name, full service address and account number or phone number and we will get to the bottom of the IPV6 address issues. As well if you would prefer more information on our static Ip's can be found through this link https://comca.st/36unlQP static IPV6 information can be located here https://comca.st/2RtazNT

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Occasional Visitor

Re: Weird IPv6 prefix delegation

Hmmm.

https://comca.st/36pI5c9 brings me to some generic page without any place to enter any information.

 

 

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Official Employee

Re: Weird IPv6 prefix delegation

My apologies for the confusion! Please click on my handle (Comcast_Gina) and send a private message with your name, the business name, the complete service address (including city, state, ZIP, suite number, etc), and the phone or account number, and any other pertinent details so we can help. One of the links earlier in this thread gives some information that may help answer your questions though:

 

"Static IPv6 prefixes are allocated in a single size for all Business IP Gateway customers, the size being a /56."

 

"You can attach your computers to the IP Gateway using it as your DHCP server for IPv4 and IPv6. Stateless IPv6 address auto-configuration is also supported by Business IP Gateways. It has 4 available ports and can support up to 256 for IPv4 (by default, this is set to 189) networked devices, however bandwidth needs may necessitate limiting the number of simultaneous connections."

 

from https://business.comcast.com/help-and-support/internet/using-a-static-ip/?linkId=81272726

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