On Thu, Jun 10, 2010 at 03:08:24AM +0400, Rolf Sommerhalder wrote: > 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. >
What kind of HW do you use? I do my tests with little soekris boxes and there the RTT is in the range of 4-5ms and indistinguishable from non MPLS operation. -- :wq Claudio
