Re: [mpls-linux-general] ip rule and labelspace questions

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

There currently is not an instruction to do this.  It is not hard
to add (if you coded it up I would include it).  All you have to
do is set skb->vrf.

There is a set_rx intructions that has not been exposed to userland.
You could try modifing mplsadm.c to add support for set_rx.

Jim

On Wed, Feb 18, 2004 at 04:42:59PM +1100, Jon...@cs... wrote:
> Dear all,
>=20
> It would be much appreciated if you could help me out with these two
> (newbie??) questions...
>=20
> (1) Using mpls label to map incoming traffic into different vrf:
>=20
> I haven't got linux-vrf-0.100 installed but was trying to use "standard"
> policy routing in linux (e.g. ip rule add from ip_addr_A dev if_B table
> vrf_C) to put incoming traffic into different VRFs.
>=20
> Is it possible to use an mpls label (e.g. if_B =3D mpls0) to do the job??
> In the email archive 19/07/2001 subject "MPLS-Linux", James stated
> "remember MPLS tunnel interfaces are unidirectional ... They only do TX
> no RX". Does it means that I can't do something like "mplsadm -A -B -I
> gen:123:0 -T mpls0" to make a mpls tunnel for incoming traffic??
>=20
> Otherwise, is there a way to map mpls label into different routing table
> instances (e.g. using linux-vrf)??
>=20
> (2) Interface belonging to multiple labelspaces:
>=20
> Is it possible to assign multiple labelspaces to an interface?? Or what
> I am trying to do is again the original purpose of labelspace ;o)
>=20
> Thanks for your considerations and valuable time...
>=20
> Cheers,
> Jonathan
>=20
> =20
>=20
>=20
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--=20
James R. Leu
jl...@mi...