Here is a fix for the PHP issue. Great, it fixes the problem. Thank you very much.
The test setup works now, although I had no time yet for in-depth testing with other traffic than just ICMP pings. But pings from pe11 to pe21 make it now back to pe11 while p1 and p2 both do PHP. However, in a brief test I observed that the RTT from pe11 to pe21 via p1 and p2 and back is 73 ms. Sniffing on the interface of the target pe21, I see that it takes 13 ms from the time the routed, label-stripped Echo Request comes in, until the labeled Echo Reply is sent back to p2. I hope to find some time tomorrow to take a close look at p2, p1 and pe11 in order to try and figure out why the RTT sums up to 73 ms where I expect it to be in the order of a few ms only. Rolf
