[Bug 231576] [RC.CONF(5)] cloned_interfaces improvement

bugzilla-noreply at freebsd.org bugzilla-noreply at freebsd.org
Sat Sep 22 10:05:28 UTC 2018


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=231576

            Bug ID: 231576
           Summary: [RC.CONF(5)] cloned_interfaces improvement
           Product: Documentation
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Manual Pages
          Assignee: bugs at FreeBSD.org
          Reporter: pekka.jarvinen at gmail.com
                CC: doc at FreeBSD.org

Hello!

man page:
cloned_interfaces
  (str) Set to the list of clonable network interfaces to cre-
  ate on this host.  Further cloning arguments may be passed to
  the ifconfig(8) create command for each interface by setting
  the create_args_<interface> variable. If an interface name
  is specified with ``:sticky'' keyword, the interface will not
  be destroyed even when rc.d/netif script is invoked with
  ``stop'' argument.  This is useful when reconfiguring the
  interface without destroying it.  Entries in
  cloned_interfaces are automatically appended to
  network_interfaces for configuration.

Questions not answered:
- What it actually does? Repeats packets? Creates some kind of dummy device?
- When I (don't) need it?
- Security implications?
- Performance implications?

if_bridge uses it but it's not referenced.

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