The MPLS-OPS Archive[Date Prev][Date Next][Thread Prev][Thread Next] [Date Index][Thread Index][Author Index][Subject Index] Re: Linux implementation of MPLS
> But I think global single label space is good as in case of MPLS fast > reroute and penultimate hop label popping, the MP can swap labels > without knowing that the traffic is coming from bypass tunnel or from > the primary tunnel (different interfaces). Recall fast reroute use > label stacking. I am not sure, but wondering if different labelspaces would interfere with the re-routing. > On the other hand per interface label space is good as it increases > the number of labels that can be used by a router. Makes sense! > Once again as well as I know both exist in theory, side by side and > ideally should be supported by any implementation. > Check if you can specify labelspace to null and it work ?? In the implentation, if labelspace is set to -1 it stops working else when the global labelspace is set to 0 (or anything), it works without any fuss. Haven't tried about null labelspace yet. > Thanks > Faisal Aslam > > On Fri, 17 Sep 2004 21:28:37 +0530 (IST), M.V. Padmini > <padmini@genie.iitd.ernet.in> wrote: >> >> We are in the process of implementing a Test bed for MPLS using linux >> boxes. Having gone through the mplsadm literature, they seem to be using >> two parameters (label, labelspace) to be associated with each Interface >> for an FEC. The labelspace is supposed to identify the interface (from >> which it came) where the labels could be same (labels coming from >> different interfaces). >> >> Is there a need to do this? If you enforce the uniqueness of the label >> wrt to a FEC, dont u think that there is no requirement for a labelspace. >> Am i missing something? >> >> Thanks in advance. >> >>> Abhishek Mittal wrote: >>>> 6> Fix up the MTU size >>> >>> After upgrading to a newer IOS on the Catalyst yesterday, I just added >>> MPLS IP to the 12k router again --- works fine now (with 1512 as MTU on >>> all used interfaces) ... >>> >>> -gg >>> >>> ------- >>> The MPLS-OPS Mailing List >>> Subscribe/Unsubscribe: http://www.mplsrc.com/mplsops.shtml >>> Archive: http://www.mplsrc.com/mpls-ops_archive.shtml >> >> ____________________________________________ >> ERNET Project >> Dept. of Computer Science and Engineering >> IIT Delhi >> New Delhi - 110 016 >> >> Phone: +(91)-11-2659 6009 >> >> ------- >> The MPLS-OPS Mailing List >> Subscribe/Unsubscribe: http://www.mplsrc.com/mplsops.shtml >> Archive: http://www.mplsrc.com/mpls-ops_archive.shtml >> > > ------- > The MPLS-OPS Mailing List > Subscribe/Unsubscribe: http://www.mplsrc.com/mplsops.shtml > Archive: http://www.mplsrc.com/mpls-ops_archive.shtml > -- When a great leader's work is done, people say "we did it ourselves". -Tao ------- The MPLS-OPS Mailing List Subscribe/Unsubscribe: http://www.mplsrc.com/mplsops.shtml Archive: http://www.mplsrc.com/mpls-ops_archive.shtml
|
|