ethertap dropping packets?

[Guus Sliepen]

On Thu, Nov 08, 2001 at 12:26:41AM -0700, Allen Bettilyon wrote:

> /sbin/ifconfig tap0 hs ether fe:fd:00:00:00:00
                      ^^
That should be hw instead of hs.

> -- ICMP echo reply --
> 1) Leave it's source (10.11.1.1)
> 2) Enter eth0 on orca
> 3) forward to ethertap on orca
> 4) tunnel to ethertap on pax
> 5) !!Packet appears to be dropped here!!!

The packet might be dropped for several reasons. For instance, the typo
mentioned above, but maybe also because of your routing table and
forwarding rules. Make sure a packet arriving at pax can actually be
forwarded to the real ethernet segment.

> I also DO see the following in syslog on pax:
> 
>  No valid key known yet for orca (63.108.71.7), queueing packet

You should only see this once in a while (and only if you turned on
debugging messages). It is normal. If you see it for every packet you
send, then something is wrong :).

-- 
Met vriendelijke groet / with kind regards,
  Guus Sliepen <guus at sliepen.warande.net>
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