Re: kern/57155: OpenVPN (tap and tun) doesn't run as expected on 10.0_BETA

[BERTRAND Joël <joel.bertrand%systella.fr@localhost>]

The following reply was made to PR kern/57155; it has been noted by GNATS.

From: =?UTF-8?Q?BERTRAND_Jo=c3=abl?= <joel.bertrand%systella.fr@localhost>
To: gnats-bugs%netbsd.org@localhost, kern-bug-people%netbsd.org@localhost, gnats-admin%netbsd.org@localhost,
        netbsd-bugs%netbsd.org@localhost
Cc: 
Subject: Re: kern/57155: OpenVPN (tap and tun) doesn't run as expected on
 10.0_BETA
Date: Thu, 5 Jan 2023 07:49:58 +0100

 Ryota Ozaki a écrit :
 >  Oh, sorry. You also need to grep with "discard" to see all packet drops.
 
 Main server:
 
 legendre# netstat -s | grep discard
                 0 discarded for bad checksums
                 0 discarded for bad header offset fields
                 0 discarded because packet too short
         0 output packets discarded due to no route
         0 output packets discarded due to reject route
                 0 packets discarded for bad interface
                 0 packets discarded for wrong TTL
                 0 packets discarded for bad checksum
                 0 packets discarded with a bad version
                 0 discarded because packet was too short
                 0 packets discarded for bad authentication
                 0 packets discarded for bad vhid
                 0 packets discarded because of a bad address list
         276 output packets discarded due to no route
         0 packets discarded due to too many headers
         0 output packets discarded due to reject route
                 0 discarded for bad checksums
                 0 discarded for bad header offset fields
                 0 discarded because packet too short
 
 VM:
 
 netbsd-test1# netstat -s | grep discard
                 0 discarded for bad checksums
                 0 discarded for bad header offset fields
                 0 discarded because packet too short
         0 output packets discarded due to no route
         0 output packets discarded due to reject route
                 0 packets discarded for bad interface
                 0 packets discarded for wrong TTL
                 0 packets discarded for bad checksum
                 0 packets discarded with a bad version
                 0 discarded because packet was too short
                 0 packets discarded for bad authentication
                 0 packets discarded for bad vhid
                 0 packets discarded because of a bad address list
         0 output packets discarded due to no route
         0 packets discarded due to too many headers
         0 output packets discarded due to reject route
                 0 discarded for bad checksums
                 0 discarded for bad header offset fields
                 0 discarded because packet too short
 
 
 >  Anyway thank you for the outputs and the explanation on the other reply.
 >  I've got the situation.
 >  
 >  I have one question. Does this issue happen with a vanilla kernel?
 >  Or only with your custom kernel?
 
 	legendre runs with a customized kernel (GENERIC + altq + iscsi).
 netbsd-test1 runs with a GENERIC kernel (from iso install image).
 
 	Regards,
 
 	JKB