Hello, > Is it possible work with MPLS and hierarchical routing?
Yes, it is possible. Please have a look at the following homepage. There you can find a patch for MPLS with RSVP-TE with hierarchical routing. http://www.ideo-labs.com/index.php?structureID=45 Further information can be found on page: http://wcms1.rz.tu-ilmenau.de/fakia/RSVP-TE.1573.0.html?&L=0 Florian Liers By the way: You can find the answer via google "mpls ns-2 hierarchical routing". -- Dipl.-Inf. Florian Liers TU Ilmenau Integrated HW/SW-Systems Office: Blechhaus R 314 Phone : +49 (0)3677 69 - 1379 Web : http://www.tu-ilmenau.de/ihs