Hi tech@, According rev 1.45, linkX in gre(4) is a deprecated style and isn't documented in ifconfig(8) (couldn't find it ever was, but I'm not to used to cvs so I couldn't search properly). This removes linkX from the example in the manpage.
Cheers. Index: share/man/man4/gre.4 =================================================================== RCS file: /cvs/src/share/man/man4/gre.4,v retrieving revision 1.47 diff -u -p -u -p -r1.47 gre.4 --- share/man/man4/gre.4 8 Jun 2017 12:37:14 -0000 1.47 +++ share/man/man4/gre.4 30 Nov 2017 23:32:16 -0000 @@ -129,7 +129,7 @@ On Host A .Bd -literal -offset indent # route add default B # ifconfig greN create -# ifconfig greN A D netmask 0xffffffff linkX up +# ifconfig greN A D netmask 0xffffffff up # ifconfig greN tunnel A D # route add E D .Ed
