ipv6 DHCP not automatically renewing

[rongarret]

While troubleshooting a failure of ipv6 on my RV325, I noticed this error message: "Could not get prefix from ISP." which appeared under "LAN ipv6 address" on the "system summary" page.  Both WAN ports *did* have IPv6 addresses and default gateways assigned, but ipv6 was nonetheless not working.  On a hunch, I clicked on the manual "Renew" button for each of the WAN connections, and suddenly ipv6 started working.

My question is: why did this not happen automatically?  Is there a setting I need to set so that I don't have to manually renew my ipv6 DHCP leases?

[lizazampa]

And if an organization is using DHCP (RFC 2131) to lease IPv4 addresses to ... However, IPv6 won't change the number of hosts on a network, but rather, ... We should also note that end-nodes perform a renewal of their lease ... the RA indicates that Stateless Address Auto-Configuration (SLAAC) is used. click here