Comcast Business Ipv6 Prefix Delegation. Hello, If I just attach my linux box and do dhcpv6, everything works

Hello, If I just attach my linux box and do dhcpv6, everything works. Some of the configuration below is arbitrary and unique to my What you have to do is select DHCPv6 Prefix Delegation size on the WAN page, which would be /60 in your case. The Cisco configuration, in brief, is: WAN DHCP connection, DHCP-PD on (64-bit prefix); LAN and RA set for . In addition, with static IP addresses also comes with a static IPv6 prefix Hey folks, I'm just checking in to see what the latest state of IPv6 is on business class. I recall having a bear of a time getting IPv6 to work on a Technicolor gateway about 5 or 6 years ago, Comcast’s approach of delegating a /59 to each device asking for a prefix is unexpected, but provides some benefits. Comcast Trial IPV6 prefix delegation size. Comcast has eaten into The pfsense must ask for a 57 prefix (DHCPv6 Prefix Delegation size at WAN DHCP6 Client Configuration), not a 56 prefix. What is the Comcast IPV6 Prefix Delegation Size for Residential 1200Mbps Tier? : r/Comcast_Xfinity r/Comcast_Xfinity Why does Comcast give out /56 prefixes when /64 is what is standard via the IETF? Comcast is actually giving me 8 more address bits for a total of 72 for me. I had Comcast and my Cisco RV34x router working fine with IPv6 there. From my readings on IPv6, I at first thought it seemed like I was expected to run a DHCPv6 client on the Comcast-facing side of moya, to request an IPv6 Prefix Delegation (PD). In order to run your own network border (i. The proper value depends on what prefix size they provide. businesshelp. If if you have the pfsense behind another Router, the prefix of Is anyone else having issues with their delegated IPv6 prefix? Our CGA4332COM correctly shows our assigned /56 address but it is not handing out the /59 prefix to our router-firewall. I’ve grown accustomed to IPv6 being overlooked in rarely-used functions, and releasing an IPv6 prefix delegation seemed like the kind of thing that might get overlooked. The pfsense must ask for a 57 prefix (DHCPv6 Prefix Delegation size at WAN DHCP6 Client Configuration), not a 56 prefix. the DHCPv6 service on the modem only handles prefix delegation, or handing out addresses on the first Comcast’s approach of delegating a /59 to each device asking for a prefix is unexpected, but provides some benefits. The way the Comcast modem handles ipv6 is pretty rudimentary but it works. For IPv6, no custom configuration is required on the Business IP Gateway since the provisioning of the IPv6 prefix is managed by Comcast. If if you have the pfsense behind another Router, the prefix of My OPNsense LAN address gets auto-configured with a modified EUI-64 IPv6 address and a /59 prefix, which seems strange (once again) since my Comcast Business Gateway says I These are some notes that helped get IPv6 working on pfSense with Comcast Business as the ISP using IPs dynamic IPs. e. I want to use it similarly to how I would with my IPv4 block, but I'm running Having done this, /ipv6/address/print should show a new entry from your ISP’s IPv6 prefix assignment with the “G” (global) flag set and with “ ipv6 ” as the pool name. " "You can attach your computers to the IP Gateway using it as your Hey everyone! I'm trying to figure out how to utilize the /56 IPv6 prefix that Comcast Business assigned to me. And to set the "IPv6 Configuration Type" to "tracking". Then on each LAN or VLAN Beginning sometime yesterday (16 Jun 2015) afternoon, I no longer received an IPv6 prefix delegation from comcast: Jun 17 12:18:05. 357 PDT: IPv6 DHCP: Received ADVERTISE from The inability to route IPv6 traffic to these subnets is currently blocking full IPv6 deployment. I'm now trying to drop in a pfsense box as a router/firewall & have "Static IPv6 prefixes are allocated in a single size for all Business IP Gateway customers, the size being a /56. not using their device as the first hop router for your LAN (s)), the following is required. the DHCPv6 service on the modem only handles prefix delegation, or handing out addresses on the first Everything I read online says that I should use DHCPv6 on my router's WAN interface with a "prefix delegation size" of 56. One is the ability to use more than one router behind a given cable modem. You would need to subscribe to a block of 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, As noted in other forum threads, prefix delegation is broken. com/conversations/ipv6/how-to-setup-ipv6 The "DHCPv6 Prefix Delegation size" defaults to 64 on the WAN side and the "IPv6 Prefix ID" defaults to 0 on the LAN side. I would appreciate detailed guidance or escalation to a technical team familiar with I have set up my router as suggested by the post: https://forums. The modem will hand out prefixes to a downstream router but it won't blindly route packets with that prefix to the router like it Is anyone else having issues with their delegated IPv6 prefix? Our CGA4332COM correctly shows our assigned /56 address but it is not handing out the /59 prefix to our router-firewall. comcast.

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