Very sad different system have multy network share http://wiki.openindiana.org/oi/Using+OpenIndiana+as+a+storage+server … ZFSonLinux too, FreeBSD not. OpenIndiana/ZFSonLinux syntax zfs set sharenfs=rw=@192.168.5.0/24:@192.168.9.0/24 yourpool/yourshare We have old patch https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=147881 for another syntax Please implement this or a similar patch. it's need this for dual IPv4/IPv6 setups