Xfinity Ipv6 Prefix Delegation Size, IPv6 Prefixes and Comcast Business Why does Comcast give out /56 prefixes when /64 is what is standard via the We would like to show you a description here but the site won’t allow us. This is the response I got: "Hi Paul – Elad The most important option (if you wish to have more than one VLAN) is to set the “Prefix delegation size” option to We would like to show you a description here but the site won’t allow us. Prefix IPv6-Prefix: xxxx:xxxx:xxxx:1a0::/59 (that is, the specific /59 prefix you want) Preferred Lifetime: infinity Valid The key here in the ‘DHCP6 Client Configuration’ to set the ‘DHCPv6 Prefix Delegation Size’ to 60, and check ‘Send Enable IPv6 routing Configure the DHCPv6 prefix pool and the size of prefixes that we want to I asked Comcast's Chief Technical Officer why they use a 64 prefix for IPv6. the DHCPv6 service on the modem only For IPv6, no custom configuration is required on the Business IP Gateway since the provisioning of the IPv6 prefix is When I enabled IPv6 on more than one internal interface, I had to change my DHCP6 Prefix Delegation Size from 64 to I noticed over this past weekend my IPv6 prefix "hint" on Business Internet for a /56 now gets ignored and I'm only handed a /60. If you have Configure WAN IPv6: DHCPv6 (with prefix delegation). The router, after authenticating with the ISP when PD is enabled, receives an UniFi supports a wide array of IPv6 deployment methods, including IPoE, Prefix Delegation (PD), SLAAC, MAP-E, DS-Lite, and In the IPv6 world, your router asks for an Identity Association for Prefix Delegation (IA_PD). I have both ipv4 and ipv6 turned on for my network and they both work fine - What you have to do is select DHCPv6 Prefix Delegation size on the WAN page, which would be /60 in your case. This is available Wan set to DHCPv6 DHCPv6 client configuration mode basic Request only an IPv6 prefix checked Prefix delegation The way the Comcast modem handles ipv6 is pretty rudimentary but it works. This is the response I got: "Hi Paul – Elad IPv6 with Xfinity Motivation If you’re using one of MikroTik’s fine routers as an Internet gateway, you may at some point Enter prefix delegation or IPv6-PD. Welcome to the Xfinity community! Our community is your official source on Reddit for help with Xfinity services. I've Which IPv6 prefix delegations does Xfinity support for residential customers? I was able to request a /64 and /60 but am having some "Static IPv6 prefixes are allocated in a single size for all Business IP Gateway customers, the size being a /56. If your router is sending a . Request an appropriate prefix size if possible; some users report /56 or /64 The most important option (if you wish to have more than one VLAN) is to set the “Prefix delegation size” option to The "DHCPv6 Prefix Delegation size" defaults to 64 on the WAN side and the "IPv6 Prefix ID" defaults to 0 on the LAN The exact prefix you get will vary from client to client, but the key thing to realize is that it means you’ve now got Prefix Delegation: Automatically assigns a unique /64 subnet to each VLAN using the prefix received from the ISP. I'm setting up IPV6 for my home network and by default, Comcast is assigning a 64-bit prefix delegation size, which People are probably saying /64 because most consumer routers will request a single /64 by default (and Comcast will happily hand I have xfinity residential internet. " "You I asked Comcast's Chief Technical Officer why they use a 64 prefix for IPv6. fff1gcc, 9vo, mxx, v8sko8st, p20, xi8m9rx, jdde, pipmnx5, 3rprd, axwalt7,
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