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Forum Discussion
Daisy Chain Orbi Routers w/ IPv6?
Wondering if anyone has successfully Daisy Chained two Orbi routers and had working IPv6 on the second router.
I understand that having one router 'behind' another router is not a recommended p...
Thanks for taking the time to respond. Will look to see what Spectrum publishes about IPv6. When I look at the router IPv6 page, there does not seem to be much useful information.
I can see the IPv6 of my router (/128 prefix), and the IPv6 assigned to my PC, the router LAN interface, and some other devices on the network.
2605:e000:3fc0:3e:d2:44a9:3c1a:e199/128 - router WAN
2603:8000:403:bd7c:a204:60ff:fe1c:239/64 - router LAN
2603:8000:403:bd7c:ff9d:7e3f:f1c1:1dd9 - PC
2603:8000:403:bd7c:6ecd:d6ff:fe02:3ea9 - WAN interface on the RBR750
Somehow the PC seems to generate 'temporary' IPv6 addresses:
Temporary IPv6 Address. . . . . . : 2603:8000:403:bd7c:4d42:6333:cb95:f3(Deprecated)
Temporary IPv6 Address. . . . . . : 2603:8000:403:bd7c:9515:68f4:4a98:651e(Preferred)
Temporary IPv6 Address. . . . . . : 2603:8000:403:bd7c:bc2f:48bb:cc14:432(Deprecated)
Temporary IPv6 Address. . . . . . : 2603:8000:403:bd7c:ed98:68ae:7d87:ed61(Deprecated)
Temporary IPv6 Address. . . . . . : 2603:8000:403:bd7c:f07d:55d7:c8b5:ed6a(Deprecated)
Temporary IPv6 Address. . . . . . : 2603:8000:403:bd7c:f42a:e0d3:73e1:1571(Deprecated)
StephenB is perfectly right:
The IPv6 on your LAN is /64 - which can not be segemented (or subnetted) any further. Doing so would break IPv6 core features like SLAAC which strictly requires 64 bit for the interface ID. Similar, NDP (the Neigbor Discovery Protocol) rely heavily on the 64 bit boundary.
The smalles practical IPv6 subnet would be /56 - which would be the RIR and industry standard recommendation for reisdential customer sites. That would allow 256 distinct subnets. But no ISP does really care about...