Re: [mpls-linux-general] MPLS and virtual interfaces

[James R. L. <jl...@mi...>]

I use user-mode-linux to do testing.  It allows for running the linux
kernel as a set of processes on a host.  The result is that I can run
a 6 node network on my wimpy IBM T23 laptop.  User-mode-linux can
use TUN/TAP interfaces as the mechnism for building links between the
nodes.  I run MPLS across these links all the time.  So I'm thinking
you should not have any difficulties doing so in your environment.  If you
do run into issues let me know and I'll do my best to help out.

On Fri, Dec 23, 2005 at 01:45:07PM +0100, Alessandro De Rosa wrote:
> Hi all, I am using the MPLS kernel patch on a Fedora Core 3 distribution.=
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> The patch is successfully installed and it seems to work fine. I am now=
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> trying to use a network simulator (called NCTUns) to simulate MPLS=20
> forwarding but I am experiencing some problems.
> NCTUns creates TUN/TAP interfaces for each node of the simulated network=
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> (e.g. tun1, tun2, tun3 and so on) which means "virtual" interfaces. Is it=
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> possible to run MPLS instructions with these interfaces?
> Thanks in advance
> Alessandro De Rosa
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James R. Leu
jl...@mi...