Routers ipv6 address on wan not available hello im a super noob. Router wan has 2001123456789abc144064 while a lan machine has 20011234cba987652000128 anonymized.

Ipv6 Dhcpv6 Prefix Delegation
Router s ipv6 address on wan not available. I dont know much and im having so much trouble trying to get my router set up properly. Ive played around with a ton of stuff with no positive results. However ipv6 on lan keeps coming back at not available each time i refresh. This field shows the ipv6 address that is acquired for the routers wan or internet interface. Lets use 19216810 as your lan subnet and 19216800 as your wan. If no address is acquired the field displays not available.
Ive followed all the advice i could possibly find on the internet. I used auto config to enable ipv6 on my r8500. Scroll down and select add ipv6 or edit ipv6 varies by model. Made the changes everyone else made still no ip address. The number after the slash is the length of the prefix which is also indicated by the underline under the ipv6 address. Would appreciate any guidance on how to resolve this issue.
If no address is acquired the field displays not available. Im running the latest firmware for the r8500. If the network address does not populate automatically look up the ipv6 address in the modem status menu and enter it here. If youre good with ipv4 try to replace in your mind any ipv6 address with an ipv4 one. Since the first 4 groups together make up the prefix this means the prefix is different between the routers wan and the lan machines. I mainly use my router for gaming on the xboxone.
Assign 19216811 to your router eth0. So the first two groups are identical the next two groups are not. Routers ipv6 address on wan. The number after the slash is the length of the prefix which is also indicated by the underline under the ipv6 address. Also it takes my network down and kicks all other machines off. Select stateless for the ipv6 addressing state.
Then assign 19216812 to one of your test computers and set 19216811 as your default gateway. I havent been able to play on line. Routers ipv6 address on wan. Would like to use dhcp. This field shows the ipv6 address that is acquired for the routers wan or internet interface. The only thing i havent tried is to go with a static ip address.
I received an ipv6 address on wan.