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
Will check about the Null possibility. Thanks. > Hi, > > In theory an MPLS implementation should support both i.e. > Per interface label space and > also global label space. > > 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. > > On the other hand per interface label space is good as it increases the > number of labels that can be used by a router. > > 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 ?? > > 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 ____________________________________________ 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
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