After upgrading to OPNsense 26, the DHCPv6 client repeatedly sends Solicit requests on PPPoE even after successfully obtaining an IPv6 prefix delegation (PD).
The logs show advertise contains NoAddrsAvail status, and this behavior was not present in earlier versions.
2026-02-20T20:55:18 Notice dhcp6c advertise contains NoAddrsAvail status
2026-02-20T20:55:18 Notice dhcp6c Sending Solicit on pppoe0
2026-02-20T20:45:57 Notice dhcp6c advertise contains NoAddrsAvail status
2026-02-20T20:45:57 Notice dhcp6c Sending Solicit on pppoe0
2026-02-20T20:41:20 Notice dhcp6c advertise contains NoAddrsAvail status
2026-02-20T20:41:20 Notice dhcp6c Sending Solicit on pppoe0
2026-02-20T20:38:56 Notice dhcp6c advertise contains NoAddrsAvail status
2026-02-20T20:38:56 Notice dhcp6c Sending Solicit on pppoe0
2026-02-20T20:37:46 Notice dhcp6c advertise contains NoAddrsAvail status
2026-02-20T20:37:45 Notice dhcp6c Sending Solicit on pppoe0
2026-02-20T20:37:12 Notice dhcp6c advertise contains NoAddrsAvail status
2026-02-20T20:37:12 Notice dhcp6c Sending Solicit on pppoe0
2026-02-20T20:36:54 Notice dhcp6c advertise contains NoAddrsAvail status
2026-02-20T20:36:54 Notice dhcp6c Sending Solicit on pppoe0
2026-02-20T20:36:53 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure newwanip (execute task : wireguard_sync())
2026-02-20T20:36:52 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure newwanip (execute task : webgui_configure_do(,[wan,lan]))
2026-02-20T20:36:52 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure newwanip (execute task : vxlan_configure_do())
2026-02-20T20:36:51 Warning opnsense /usr/local/etc/rc.newwanipv6: warning: ignoring missing default tunable request: hw.ibrs_disable
2026-02-20T20:36:51 Warning opnsense /usr/local/etc/rc.newwanipv6: warning: ignoring missing default tunable request: vm.pmap.pti
2026-02-20T20:36:50 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure newwanip (execute task : unbound_configure_do(,[wan,lan]))
2026-02-20T20:36:50 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure newwanip (execute task : openssh_configure_do(,[wan,lan]))
2026-02-20T20:36:50 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure newwanip (execute task : opendns_configure_do())
2026-02-20T20:36:50 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure newwanip (execute task : ntpd_configure_do())
2026-02-20T20:36:50 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure newwanip (execute task : dhcrelay_configure_if(,[wan,lan],inet6))
2026-02-20T20:36:50 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure newwanip (,[wan,lan],inet6)
2026-02-20T20:36:49 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure vpn (execute task : wireguard_configure_do())
2026-02-20T20:36:49 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure vpn (execute task : openvpn_configure_do(,[wan,lan]))
2026-02-20T20:36:49 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure vpn (execute task : ipsec_configure_do(,[wan,lan]))
2026-02-20T20:36:49 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure vpn (,[wan,lan],inet6)
2026-02-20T20:36:47 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure monitor (execute task : dpinger_configure_do(,[WAN_DHCP6]))
2026-02-20T20:36:47 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure monitor (,[WAN_DHCP6])
2026-02-20T20:36:47 Notice opnsense /usr/local/etc/rc.newwanipv6: ROUTING: keeping inet6 default route to fe80::c*:*:*:*0%pppoe0
2026-02-20T20:36:47 Notice opnsense /usr/local/etc/rc.newwanipv6: ROUTING: configuring inet6 default gateway on wan
2026-02-20T20:36:47 Notice opnsense /usr/local/etc/rc.newwanipv6: ROUTING: entering configure using wan, lan
2026-02-20T20:36:47 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure dhcp (execute task : radvd_configure_dhcp(,inet6))
2026-02-20T20:36:47 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure dhcp (,inet6)
2026-02-20T20:36:47 Notice opnsense /usr/local/etc/rc.newwanipv6: IP renewal starting (reason: request, address: 2*:*:4001:f9*:*:*:*2, interface: wan, device: pppoe0)
2026-02-20T20:36:45 Notice dhcp6c advertise contains NoAddrsAvail status
2026-02-20T20:36:45 Notice dhcp6c Sending Solicit on pppoe0
2026-02-20T20:36:43 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure newwanip (execute task : wireguard_sync())
2026-02-20T20:36:43 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure newwanip (execute task : webgui_configure_do(,[wan,lan]))
2026-02-20T20:36:43 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure newwanip (execute task : vxlan_configure_do())
2026-02-20T20:36:41 Warning opnsense /usr/local/etc/rc.newwanipv6: warning: ignoring missing default tunable request: hw.ibrs_disable
2026-02-20T20:36:41 Warning opnsense /usr/local/etc/rc.newwanipv6: warning: ignoring missing default tunable request: vm.pmap.pti
2026-02-20T20:36:41 Notice dhcp6c advertise contains NoAddrsAvail status
2026-02-20T20:36:41 Notice dhcp6c Sending Solicit on pppoe0
2026-02-20T20:36:40 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure newwanip (execute task : unbound_configure_do(,[wan,lan]))
2026-02-20T20:36:40 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure newwanip (execute task : openssh_configure_do(,[wan,lan]))
2026-02-20T20:36:40 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure newwanip (execute task : opendns_configure_do())
2026-02-20T20:36:39 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure newwanip (execute task : ntpd_configure_do())
2026-02-20T20:36:39 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure newwanip (execute task : dhcrelay_configure_if(,[wan,lan],inet6))
2026-02-20T20:36:39 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure newwanip (,[wan,lan],inet6)
2026-02-20T20:36:39 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure vpn (execute task : wireguard_configure_do())
2026-02-20T20:36:39 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure vpn (execute task : openvpn_configure_do(,[wan,lan]))
2026-02-20T20:36:39 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure vpn (execute task : ipsec_configure_do(,[wan,lan]))
2026-02-20T20:36:39 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure vpn (,[wan,lan],inet6)
2026-02-20T20:36:39 Notice dhcp6c advertise contains NoAddrsAvail status
2026-02-20T20:36:38 Notice dhcp6c Sending Solicit on pppoe0
2026-02-20T20:36:38 Notice dhcp6c advertise contains NoAddrsAvail status
2026-02-20T20:36:37 Notice dhcp6c Sending Solicit on pppoe0
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanip: plugins_configure newwanip (execute task : wireguard_sync())
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanip: plugins_configure newwanip (execute task : webgui_configure_do(,[wan]))
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanip: plugins_configure newwanip (execute task : vxlan_configure_do())
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanip: plugins_configure newwanip (execute task : unbound_configure_do(,[wan]))
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanip: plugins_configure newwanip (execute task : openssh_configure_do(,[wan]))
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanip: plugins_configure newwanip (execute task : opendns_configure_do())
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanip: plugins_configure newwanip (execute task : ntpd_configure_do())
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanip: plugins_configure newwanip (execute task : dhcrelay_configure_if(,[wan],inet))
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanip: plugins_configure newwanip (,[wan],inet)
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure monitor (execute task : dpinger_configure_do(,[WAN_DHCP6]))
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure monitor (,[WAN_DHCP6])
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanipv6: ROUTING: keeping inet6 default route to fe80::c*:*:*:*0%pppoe0
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanipv6: ROUTING: configuring inet6 default gateway on wan
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanip: plugins_configure vpn (execute task : wireguard_configure_do())
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanip: plugins_configure vpn (execute task : openvpn_configure_do(,[wan]))
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanip: plugins_configure vpn (execute task : ipsec_configure_do(,[wan]))
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanip: plugins_configure vpn (,[wan],inet)
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanip: IP gateway change detected, killing states for *:*.224.1
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanip: IP address change detected, killing states for *:*.228.86
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanipv6: ROUTING: entering configure using wan, lan
2026-02-20T20:36:37 Warning radvd exiting, 1 sigterm(s) received
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure dhcp (execute task : radvd_configure_dhcp(,inet6))
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanipv6: plugins_configure dhcp (,inet6)
2026-02-20T20:36:37 Notice opnsense /usr/local/etc/rc.newwanipv6: IP renewal starting (reason: force, address: 2*:*:4001:f9*:*:*:*2, interface: wan, device: pppoe0)
2026-02-20T20:36:37 Notice dhcp6c dhcp6c_script: REQUEST on pppoe0 prefix now 2*:*:402b:2c50::/60
2026-02-20T20:36:37 Notice dhcp6c dhcp6c_script: REQUEST on pppoe0 connected to server
2026-02-20T20:36:37 Notice dhcp6c dhcp6c_script: REQUEST on pppoe0 executing
2026-02-20T20:36:37 Notice dhcp6c unhandled status code for PD-0: success
2026-02-20T20:36:37 Notice dhcp6c add an address 2*:*:402b:2c50:*:*:*:*2/64 on re0
2026-02-20T20:36:37 Notice dhcp6c create a prefix 2*:*:402b:2c50::/60 pltime=3600, vltime=3600
2026-02-20T20:36:37 Notice dhcp6c Received REPLY for REQUEST
2026-02-20T20:36:36 Notice dhcp6c Sending Request on pppoe0
2026-02-20T20:36:35 Notice dhcp6c Sending Solicit on pppoe0