linux-ipsec: Transport mode in ipsec-0.7

I've been tinkering with this for several days now and while I've increased my understanding of the Linux kernel, I still can't get the IPSEC transport mode to work.

First off, does it even work!? There are comments in the Tunnel section of INSTALL.txt that imply it does not but nothing in the Transport Mode section says it doesn't.

I'm sending the ESP packets correctly except the source ethernet address is 00:00:00:00:00:00.

Assuming one interface (eth0) with IP 192.168.42.3, my setup is:

./tncfg attach ipsec0 eth0
ifconfig ipsec0 192.168.42.4 netmask 255.255.255.0 route del 192.168.42.0
route add -net 192.168.42.0 dev ipsec0

Then I add an SA to another IP address (without IPSEC--I'm just trying to send the packets correctly to start with) just as shown in INSTALL.txt then ping that address. The packets are ok (encrypted etc) sent to the correct HW&IP address, the syslog messages look ok...just the source HW address is broken.

Argh.

DaveP
davep@fortytwo.tierranet.com Received on Thu Apr 16 16:46:36 1998

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