Re: cannot destroy loXX belonging to rdomain XX ?

[Martin Pieuchot]

On 14/02/18(Wed) 04:01, Jiri B wrote:
> How to "remove" loXX belong to rdomain XX ?
> 
> # ifconfig vether55 rdomain 55
> # ifconfig vether55   
>   
> 
> vether55: flags=8802 rdomain 55 mtu 1500
> lladdr fe:e1:ba:d6:a0:59
> index 23 priority 0 llprio 3
> groups: vether
> media: Ethernet autoselect
> status: active
> # ifconfig vether55 destroy
> # ifconfig lo55   
>   
> 
> lo55: flags=8049 rdomain 55 mtu 32768
> index 24 priority 0 llprio 3
> groups: lo
> inet6 ::1 prefixlen 128
> inet 127.0.0.1 netmask 0xff00
> inet6 fe80::1%lo55 prefixlen 64 scopeid 0x18
> # ifconfig lo55 destroy
> ifconfig: SIOCIFDESTROY: Operation not permitted
> 
> From lo(4):
> 
> ...
>  A loop interface can be created at runtime using the ifconfig loN create
>  command or by setting up a hostname.if(5) configuration file for
>  netstart(8).  The lo0 interface will always exist and cannot be destroyed
>  using ifconfig(8).
> ...
> 
> So it will exists forever till next reboot?

Yes, it's a current limitation of the rdomain <-> loopback
implementation.

cannot destroy loXX belonging to rdomain XX ?

[Jiri B]

How to "remove" loXX belong to rdomain XX ?

# ifconfig vether55 rdomain 55
# ifconfig vether55 


vether55: flags=8802 rdomain 55 mtu 1500
lladdr fe:e1:ba:d6:a0:59
index 23 priority 0 llprio 3
groups: vether
media: Ethernet autoselect
status: active
# ifconfig vether55 destroy
# ifconfig lo55 


lo55: flags=8049 rdomain 55 mtu 32768
index 24 priority 0 llprio 3
groups: lo
inet6 ::1 prefixlen 128
inet 127.0.0.1 netmask 0xff00
inet6 fe80::1%lo55 prefixlen 64 scopeid 0x18
# ifconfig lo55 destroy
ifconfig: SIOCIFDESTROY: Operation not permitted

>From lo(4):

...
 A loop interface can be created at runtime using the ifconfig loN create
 command or by setting up a hostname.if(5) configuration file for
 netstart(8).  The lo0 interface will always exist and cannot be destroyed
 using ifconfig(8).
...

So it will exists forever till next reboot?

kern.version=OpenBSD 6.2-current (GENERIC.MP) #0: Sat Feb 10 00:05:49 MST 2018
dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC.MP

Jiri