[Bug 8561] New: ip lacks support for the scope modifier

bugzilla at busybox.net bugzilla at busybox.net
Wed Dec 23 19:59:59 UTC 2015


https://bugs.busybox.net/show_bug.cgi?id=8561

            Bug ID: 8561
           Summary: ip lacks support for the scope modifier
           Product: Busybox
           Version: 1.24.x
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: normal
          Priority: P5
         Component: Networking
          Assignee: unassigned at busybox.net
          Reporter: austinenglish at gmail.com
                CC: busybox-cvs at busybox.net

austin at austin1:~$ ip route add 127.0.0.0/8 dev lo scope host
RTNETLINK answers: Operation not permitted

austin at austin1:~$ busybox ip route add 127.0.0.0/8 dev lo scope host
ip: either "to" is duplicate, or "scope" is garbage

But if 'scope host' is removed, busybox matches iproute2:
austin at austin1:~$ busybox ip route add 127.0.0.0/8 dev lo 
ip: RTNETLINK answers: Operation not permitted

This is needed by OpenRC:
In the loopback script in OpenRC, we use the following commands to
initialize the loopback interface:

ip addr add 127.0.0.1/8 dev lo brd + scope host
ip route add 127.0.0.0/8 dev lo scope host
ip link set lo up

This works for iproute2, but not for busybox's internal ip command,
because busybox's ip command appears to not support the scope modifier.

See https://bugs.gentoo.org/show_bug.cgi?id=507290

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