loopback interfaces are special and kind of end up representing an rdomain inside the kernel, which is where this restriction comes from.
dlg > On 2 Apr 2022, at 09:36, Tom Smyth <tom.sm...@wirelessconnect.eu> wrote: > > Hello, > I came across an issue that once a rdomain is set on a > loopback interface > you cant change it without destroying and re-creating the interace, > while it appears you can change a virtio network interface, is this a > bug or a feature > > tobsd# ifconfig lo3 create > tobsd# ifconfig lo3 rdomain 3 > tobsd# ifconfig lo3 inet 127.0.0.1/8 > tobsd# ifconfig lo3 > lo3: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> rdomain 3 mtu 32768 > index 5 priority 0 llprio 3 > groups: lo > inet6 ::1 prefixlen 128 > inet6 fe80::1%lo3 prefixlen 64 scopeid 0x5 > inet 127.0.0.1 netmask 0xff000000 > tobsd# ifconfig lo3 rdomain 0 > ifconfig: SIOCSIFRDOMAIN: Operation not permitted > tobsd# ifconfig > > > -- > Kindest regards, > Tom Smyth. >
