[c-nsp] MPLS Header

[Aaron]

8 bytes/4470 bytes (default mtu) = 0.18%
That's per packet assuming they are 4470. So, not enough to worry about it.

Aaron

On Tue, May 12, 2009 at 07:55, <sthaug at nethelp.no> wrote:

> > if i have POS interface (STM-1 link) and i enabled MPLS on it
> > how much header i will lose from the overall capacity (155.52 M)
> > and how the interface type will affect on the size ?
>
> MPLS labels are 4 bytes each. You typically need 2 labels, thus 8
> bytes. There are situations where you might need 3 labels, seldom
> more.
>
> What percentage this is of the total capacity depends on packet size.
> If you have to worry about it, it may mean you're doing something wrong.
>
> Steinar Haug, Nethelp consulting, sthaug at nethelp.no
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