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reply to plencnerb

Re: [IPv6] Issues with IPv6 and pfsense [SOLVED]

My Comcast supplied Netgear WNR1000v2-VC also randomly loses IPv6 connectivity. It sometimes will stay in sync for several weeks, and sometimes only for a few days. IPv6 connectivity always comes back if I reboot the router and remake the connections with the attached PCs.

The problem with the Netgear router seems to be that its WAN is randomly assigned a new IPv6 address (but the 2001:558:xxxx:xx: prefix does does not change, nor does the IPv4 address). That new IP address triggers a new PD prefix for the LAN, but the old PD prefix is also still active. The only fix I have found is to reboot the router.

Have you tried rebooting your pFsense box and reconnecting the attached PC(s)?