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I'm in the Sterling, VA area. I do receive the /56 prefix delegation from the CO to my Verizon Router. The Verizon Router makes a single /64 available on the LAN.
I have a SonicWall Gen 7 firewall behind the Verizon Router. I would like to make use of prefix delegation to populate the internal interfaces on the firewall. I have configured the firewall to enable prefix delegation, but nothing gets delegated to the internal interfaces.
Assumptions / Questions / Misc:
1. Perhaps the Verizon Router is not capable of performing a secondary delegation to the firewall.
2. I want to see if I can get the Verizon Router to delegate a /60 to the LAN to see if this will allow the firewall to delegate /64 blocks to the internal interfaces. I can't find a way to do this. Any suggestions are appreciated!
3. I want to keep the Verizon Router in the path for the WiFi-6, otherwise I would connect the ONT directly to the firewall. Also I have another (IPv4 Only) device connected to the Verizon Router WAN in front of the firewall. That is why I don't want to move the Verizon Router behind the firewall.
4. I have tried an experiment with a Ubiquity EdgeRouter Pro in place of the Verizon router. The ERPro received the /56 and I was able to assign a different /64 to each port on the ERPro. I was unable to assign a /60 to any LAN ports. Open to suggestions here too!
Prefix Delegation would be my preferred mechanism for populating the internal interfaces behind the firewall. I would like to hear suggestions of things to try before I abort and start doing static internal interface configs.
Thank you!!