[j-nsp] MPLS EXP bit marking question

[Nugroho WH Adisubrata]

Hi Li Zhu,
It should be rewrite both inner and outer mpls label.
If it is only rewrite into the outer label, then you will get a problem in
PHP router.

My 2c.

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On Mon, Jun 8, 2009 at 1:26 AM, Li Zhu <lz6 at njit.edu> wrote:

> All,
>
> There is a network like CE --- PE --- P. The PE is M320. Traffic is from CE
> to P. The traffic out of CE is native IP, after it reaches and gets out PE
> (then to P), it is double-tagged with MPLS lable. There is a exp
> rewrite-rule applied on PE link to P router. My questions is
> will the rewrite-rule take effect on both tags or only the outer tag?
>
> Thanks,
>
> Li
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