[Openswan Users] IPSEC established but TX packets dropped on ipsec0 interface

Ted Kaczmarek tedkaz at optonline.net
Thu Aug 12 09:17:18 CEST 2004

On Thu, 2004-08-12 at 10:06 +0200, Daniel Fenert wrote:
> I'm trying to establish network-network conenction between 2 gateways.
> No NAT, for testing purposes directly connected. Everything seems to be fine
> IPSEC is established, but no packet is being sent to other peer.
> Using tcpdump on ipsec0 interface, I see that packets are generated on source
> machine, but never get to destination, and TX dropped packets are
> increasing on source machine (you can see it in 'barf' attachment).
> I've tried to look in the archives of freeswan/openswan lists, but all that I
> got was 'RX packets dropped', and no plain solution besides, that there's some
> misconfiguration :)
> I'm using openswan-1.0.7rc1 on 2.4.27 kernel.
> Distro is slackware-10.0.
> On both machines.
> I'm attaching ipsec.conf (from one machine, on the other it's identical), 
> and compressed ipsec barf.
iptables -I FORWARD -i ipsec0 -j ACCEPT

Just a guess, also netstat -rn to confirm both sides have updated their
ribs properly.  


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