Re: [mpls-linux-general] About CR-LDP and LIB

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

On Mon, Mar 18, 2002 at 04:08:27PM +0800, clz wrote:
> Hi,Jim
>=20
>    Now I have two questions as following:
>=20
> 1) If I use CR-LDP,how to trigger the LER to generate a label Request Mes=
sage? When to use Request Driven Label Assignment,how to identify that some=
 traffic is  QoS-guaranteed without RSVP?

Most on the time TE LSPs are triggered by user configuration.  I plan to
use the TE-MIB as the users interface to setting up TE LSPS (via CR-LDP).

> 2)What is the difference between LIB and LFIB?
>   How can I find the LIB's data structure in the  ldp-portable-0.060.tar =
and  mpls-linux-0.993.tar?

Hmmm.  I'm not sure.  I would think they are the same, which is the informa=
tion
about how IPv4 routes map to LDP generated LSPs.

Both actaully contain this info.  ldp-portable keeps a copy of it 'view' of
the LIB, and the kernel has a copy of what is actually active.
ldp-portable view is stored in the FEC tree, and mpls-linux store it in the
IPv4 FIB.

Jim


>=20
> RG
> Thanks in advance.
>=20
> clz
>=20
>=20
>=20
>=20
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--=20
James R. Leu