Is anyone using the $SUBJECT combination? I have a CentOS 7 (userland)/Banana Pi firewall, and I've been having an issue where dhclient fails to renew my IPv6 address. The root cause seems to be that the initial lease is obtained before the B'Pi syncs its system time, and ISC dhclient is unable to deal with large wall clock changes: https://bugzilla.redhat.com/show_bug.cgi?id=1093803 (I haven't seen this problem with IPv4. It seems like there's some sort of workaround for this issue in the IPv4 case somewhere in the network scripts, chrony, or dhclient itself.) I just tried using systemd-networkd, instead of the legacy network service, but it appears that systemd-networkd-219-30.el7.9.armv7hl will never send a "dhcp6 solicit" packet, even when "DHCP=yes" (or "DHCP=ipv6") is set in the relevant .network file. I've verified with tcpdump that a RHEL 7 x86_64 VM *does* send a dhcp6 solicit, but there is absolutely no IPv6 UDP traffic coming from the Banana Pi. I'm back to the legacy network service for now, with a workaround to forcibly renew the IPv6 lease once chrony has synced the time. This is my home firewall, so opportunity for messing around with the network configuration is limited. I am wondering, though, if anyone at all is using systemd-networkd with DHCPv6 on CentOS 7 ARM? -- ======================================================================== Ian Pilcher arequipeno at gmail.com -------- "I grew up before Mark Zuckerberg invented friendship" -------- ========================================================================