Re: [mpls-linux-general] Some Questions

[<seh...@ya...>]

Hi, 
do you know where can i get more docs on how to use
ldp-portable prompt ?

thanks in advance.
kind regards.

--- "James R. Leu" <jl...@mi...> a écrit : >
Yep.
> 
> Start by getting the newest ldp-portable from CVS:
> 
> http://sourceforge.net/cvs/?group_id=15443
> 
> Then read, ldp-portable/linux-port/README.sample
> 
> Jim
> 
> 
> On Wed, Jan 23, 2002 at 05:05:01PM +0100, sehla
> loussaief wrote:
> > Hi,
> > do you know how can i use the LDP in an ethernet
> LAN?
> > 
> > Thanks in advance.
> > 
> >  --- "James R. Leu" <jl...@mi...> a écrit
> : >
> > On Wed, Jan 23, 2002 at 04:55:06PM +0100, sehla
> > > loussaief wrote:
> > > > HI,
> > > > once the mpls-linux1.0 and ldp-portable.0.08
> > > installed
> > > > do you know how can i test them?
> > > > In addition, i have an ATM switch on witch we
> want
> > > to
> > > > implement MPLS+LDP through an externe
> controller.
> > > have
> > > > you an idea how can we implement the General
> > > Switch
> > > > Managment Protocol (GSMP) on linux ?
> > > 
> > > Your going to have difficulty with this.  The
> > > current Linux ATM stack
> > > doesn't handle multicast.  So you will not
> beable to
> > > send/receive LDP
> > > hellos.  In addition I haven't tested the ATM
> > > specific code inside of
> > > ldp-portable.
> > > 
> > > Jim
> > > 
> > > 
> > > > 
> > > > Thanks in advance.
> > > > kind regards.
> > > > 
> > > >  --- "James R. Leu" <jl...@mi...> a
> écrit
> > > : >
> > > > On Wed, Jan 23, 2002 at 06:49:54AM -0800,
> Cheng
> > > > > Zhengchao wrote:
> > > > > > Hi,All,
> > > > > 
> > > > > mpls-linux is an MPLS forwarding plane
> > > > > implementation.  It contains
> > > > > kernel code to support label switching of
> > > packets. 
> > > > > It also has a
> > > > > utility to statically create LSPs (like the
> good
> > > old
> > > > > days of creating PVCs
> > > > > through and ATM network, or statically
> routing a
> > > > > subnet through a network)
> > > > > 
> > > > > If you want a dynamic means to setup LSPs
> (which
> > > is
> > > > > what it seems you are
> > > > > about) you need an MPLS signaling protocol
> like
> > > LDP,
> > > > > RSVP-TE, or CR-LDP.
> > > > > The protocols take care of advertising
> labels.
> > > > > ldp-portable is an
> > > > > implementation of RFC3036 (label ditribution
> > > > > protocol).
> > > > > 
> > > > > >   I met some questions in my reading
> codes.I
> > > will
> > > > > > appreciate your help very much.
> > > > > > 1.In the mpls_linux,How do the labels are
> > > > > distributed
> > > > > > among the ldp peers?In other words,How
> does
> > > the
> > > > > > mplsadm get to know the infor about
> FTN,ILM
> > > and
> > > > > NHLFE?
> > > > > > What is the relation between mpls_linux
> and
> > > > > > ldp_portable?Does mpls_linux need
> ldp_portable
> > > to
> > > > > > distribut lables?
> > > > > > 2.Can someone tell me the meanings of
> > > variables in
> > > > > the
> > > > > > structure mpls_printf_info?Especially the
> > > "pos".
> > > > > 
> > > > > This structure is used to help in the
> handling
> > > of
> > > > > buffers used for
> > > > > displaying the content of the virtual files
> in
> > > the
> > > > > /proc file system.
> > > > > 'pos' stands for 'position', the current
> > > printing
> > > > > position in the
> > > > > virtual file.  Remember that the virtual
> file
> > > may be
> > > > > larger then the
> > > > > buffer suplied to the *_print functions, so
> the
> > > > > *_print function will be
> > > > > called multiple times, with a different
> offset
> > > each
> > > > > time.  '*_print' can't
> > > > > translate offset into 'where it left off' so
> the
> > > > > function just starts over,
> > > > > but the 'pos' and 'offset' are used to
> decide
> > > when
> > > > > to start filling
> > > > > the buffer again.
> > > > > 
> > > > > >  Thanks a lot.
> > > > > > 
> > > > > > Best Regard 
> > > > > > 
> > > > > > Cheng
> > > > > > 
> > > > > > 
> > > > > >
> > >
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> > > > > 
> > > > > -- 
> > > > > James R. Leu
> > > > > 
> > > > >
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> > > -- 
> > > James R. Leu 
> > 
> >
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