On Mon, Dec 4, 2017 at 9:26 AM, Gregory Rose <gvrose8...@gmail.com> wrote: > On 12/1/2017 3:03 PM, William Tu wrote: >> >> The patch adds 'external' option to support collect metadata >> gre6 tunnel. Example of L3 and L2 gre device: >> bash:~# ip link add dev ip6gre123 type ip6gre external >> bash:~# ip link add dev ip6gretap123 type ip6gretap external > > > Hi William, > > one question. Is there ever actually going to be a situation in which an > ipv6 gre tunnel will go from > external to not external? I'm wondering if the "no external" option is > really needed since default is > no and I'm not sure under what circumstances a tunnel would go from external > to not external. > > Thanks, > > - Greg
good point. I don't think we should support setting a tunnel from external to no external at run-time. Let me remove the "noexternal" description in man page. Thanks William