Since 6.7-release npppd(8) uses pppac(4) instead of tun(4) but manual page still has the reference to tun(4).
Diff below replaced `tun' by `pppac' in npppd(8) man page. Also `pppac' added to npppd.conf(5). Index: usr.sbin/npppd/npppd/npppd.8 =================================================================== RCS file: /cvs/src/usr.sbin/npppd/npppd/npppd.8,v retrieving revision 1.6 diff -u -p -r1.6 npppd.8 --- usr.sbin/npppd/npppd/npppd.8 9 Nov 2015 01:14:22 -0000 1.6 +++ usr.sbin/npppd/npppd/npppd.8 12 Jun 2020 18:48:00 -0000 @@ -78,7 +78,7 @@ configuration file. .Xr gre 4 , .Xr pipex 4 , .Xr pppx 4 , -.Xr tun 4 , +.Xr pppac 4 , .Xr npppd.conf 5 , .Xr npppctl 8 , .Xr sysctl 8 Index: usr.sbin/npppd/npppd/npppd.conf.5 =================================================================== RCS file: /cvs/src/usr.sbin/npppd/npppd/npppd.conf.5,v retrieving revision 1.27 diff -u -p -r1.27 npppd.conf.5 --- usr.sbin/npppd/npppd/npppd.conf.5 23 Apr 2020 21:10:54 -0000 1.27 +++ usr.sbin/npppd/npppd/npppd.conf.5 12 Jun 2020 18:48:00 -0000 @@ -691,6 +691,7 @@ bind tunnel from L2TP authenticated by L .Sh SEE ALSO .Xr pipex 4 , .Xr pppx 4 , +.Xr pppac 4 , .Xr npppctl 8 , .Xr npppd 8 , .Xr sysctl 8
