mpls-linux-general — Mailing list for general discussion about MPLS for Linux

Re: [mpls-linux-general] anatole

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Re: [mpls-linux-general] [mpls-linux-devel] Development MPLS-Linux

[J. N. <oc...@gm...>]

Hello James,

I've read in the old message in the list this mail:

>* On Tue, Jun 01, 2004 at 01:03:08AM +0300, Vadim Suraev wrote:
*>* > Hi.
*>* > I'd like to contribute to the Zebra users & developers'
community several software
*>* > modules that I've developed recently:
*>* > RSVP-TE, TE application, TE extensions for OSPF.
*>* > The software has been tested against CISCO.
*>* > If you decide to try it, please read the short manuel at:
*>* > http://www.angelfire.com/theforce/suraev/zebra/MPLS_TE_SW_manuel.txt
*>* > The code is located at:
*>* > http://www.angelfire.com/theforce/suraev/zebra/zebra.tar.gz
*>* > If you have any questions, you are welcome to ask.
*>* > Any request for any help and support is welcome.
*>* >
*>* > Regards,
*>* >  Vadim.

*

The link is actually broken. I think it could be really interesting for me
to have this documentation and I think that maybe you have a copy of that.

Regards



On Fri, Feb 29, 2008 at 3:23 PM, James R. Leu <jl...@mi...> wrote:

> On Fri, Feb 29, 2008 at 01:22:01PM +0100, =?ISO-8859-1?Q?Jes=FAs_Nubiola_
> wrote:
> > Finally I can get access to the repository :)
> >
> > I have created a workspace named oksi. I have downloaded quagga-mpls and
> > look a litle bit the code of rsvpd. I am realized that is the Vadim
> > implementation, isn't it?
>
> Yes most definitely.  He contributed the code a couple years back and
> I am just now getting around to trying to integrate it.  I believe
> all of the files that originated from his source give him credit
> at the top, if not, they should.
>
> > Arrived at this point I'm lost about how can I test it or if I'm doing
> well
> > or not downloading this folder.
> > Can you advice me of some test that can help and contributed the results
> to
> > the project?
>
> At this point all it does is compile, nothing further has been tested.
>
> My first goal is to get the RSVP-TE engine running and sending path
> messages.  This requires VTY command work.
>
> After that processing of path messages will require the te_rdb engine
> to be running.  At first I just want to get it running with just
> shortest path routing constraints (ie no bandwidth or affinity
> considered).
> To do this the te_rdb code needs to be modified to do standard IPv4
> lookups some how, either by building a patricia tree from route
> updates that come from zebra or by issuing nexthop lookups back
> to the main zebra daemon using the ZEBRA_IPV4_NEXTHOP_LOOKUP message.
> I'm leaning toward the latter because I think down the road I will
> want to move all of the CSPF calculations into the zebra daemon, this
> will make TE info dissemination easier and will make the CSPF and TE info
> available to other protocols that choose to use it.
>
> So basically, dig in and start trying to make it work.  I'm
> hoping to finish up some LDP work, once I have LDP at least kind of
> working again, I will switch gears and work on RSVP-TE as well.
>
> > Thank you very much.
> >
> > On Fri, Feb 29, 2008 at 12:07 PM, Jesús Nubiola <oc...@gm...>
> wrote:
> >
> > > I'm not able to access to perforce server during all the morning.
> > >
> > > Is the server down?
> > >
> > >
> > > On Tue, Feb 26, 2008 at 4:02 AM, James R. Leu <jl...@mi...>
> wrote:
> > >
> > > > On Mon, Feb 25, 2008 at 01:33:49PM +0100,
> > > > =?ISO-8859-1?Q?Jes=FAs_Nubiola_ wrote:
> > > > > Hi James,
> > > > >
> > > > > I have been reading your guide to access to your perforce server
>  (
> > > > > http://mpls-linux.sourceforge.net/). Note: the link to the
> developers
> > > > guide
> > > > > in your web is broken :(
> > > >
> > > > Thanks for the notice, being that it was written and host by someone
> > > > else who is no longer helping the project I'll end up removing the
> link.
> > > >
> > > > > As I was saying I think that I've be able to connect to your
> perforce
> > > > > following the instructions on your web but I don't see exactly the
> > > > same you
> > > > > put in your instructions above-named:
> > > >
> > > > You need to create your own workspace, and then modify the view.
> > > > The quagga-rsvpte dir is not what you want, that is an old failed
> > > > rsvpte implementation.  The one you want is in the quagga-mpls tree.
> > > > You will need the entire quagga-mpls directory.
> > > > I'm almost done porting it to quagga-0.99.9.  I haven't done any
> testing
> > > > with it.  It probably doesn't work at all, but I could really use
> some
> > > > help getting it going.
> > > >
> > > > > Under the heading 'Access to my development repository'.  The
> 'view'
> > > > > you will want is:
> > > > >
> > > > >    //depot/quagga/... //<client name>/quagga/...
> > > > >    //depot/quagga-plus/... //<client name>/quagga-plus/...
> > > > >    //depot/quagga-mpls/... //<client name>/quagga-mpls/...
> > > > >
> > > > > The only folder that I see is the last one (quagga-mpls), and
> inside
> > > > of it
> > > > > there is another folder named rsvpd.
> > > > > Is that folder the one that you aimed in the mail before?
> > > > > Could you give me some advices to understand the state of the art
> of
> > > > that
> > > > > code? (examples that I can prove or anything that you think it
> could
> > > > help me
> > > > > to understand the code and let me to improve the integration into
> > > > Quagga).
> > > > >
> > > > > Here is a snapshot of my view of your perforce server:
> > > > >
> http://img96.imageshack.us/my.php?image=screenshotperforcemplsro5.jpg
> > > > >
> > > > > The options I use to connect it are:
> > > > >
> > > > > server: p4.dangermen.com
> > > > > port: 1666
> > > > > Username: perforce (no password)
> > > > > worksace: mplslinux (on click to browse button it appears 4
> options:
> > > > > esemjrpg3, /home/tmp/dep, mmbb97 and mplslinux.  thought that the
> last
> > > > one
> > > > > was the correct one)
> > > > >
> > > > > Thank you very much and sorry for my English again ;)
> > > > >
> > > > > Regards
> > > >
> > > > >
> > > >
> -------------------------------------------------------------------------
> > > > > This SF.net email is sponsored by: Microsoft
> > > > > Defy all challenges. Microsoft(R) Visual Studio 2008.
> > > > > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> > > > > _______________________________________________
> > > > > mpls-linux-general mailing list
> > > > > mpl...@li...
> > > > > https://lists.sourceforge.net/lists/listinfo/mpls-linux-general
> > > >
> > > >
> > > > --
> > > > James R. Leu
> > > > jl...@mi...
> > > >
> > >
> > >
>
> >
> -------------------------------------------------------------------------
> > This SF.net email is sponsored by: Microsoft
> > Defy all challenges. Microsoft(R) Visual Studio 2008.
> > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> > _______________________________________________
> > mpls-linux-devel mailing list
> > mpl...@li...
> > https://lists.sourceforge.net/lists/listinfo/mpls-linux-devel
>
>
> --
> James R. Leu
> jl...@mi...
>

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Re: [mpls-linux-general] [mpls-linux-devel] Development MPLS-Linux

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

On Fri, Feb 29, 2008 at 01:22:01PM +0100, =?ISO-8859-1?Q?Jes=FAs_Nubiola_ wrote:
> Finally I can get access to the repository :)
> 
> I have created a workspace named oksi. I have downloaded quagga-mpls and
> look a litle bit the code of rsvpd. I am realized that is the Vadim
> implementation, isn't it?

Yes most definitely.  He contributed the code a couple years back and
I am just now getting around to trying to integrate it.  I believe
all of the files that originated from his source give him credit
at the top, if not, they should.

> Arrived at this point I'm lost about how can I test it or if I'm doing well
> or not downloading this folder.
> Can you advice me of some test that can help and contributed the results to
> the project?

At this point all it does is compile, nothing further has been tested.

My first goal is to get the RSVP-TE engine running and sending path
messages.  This requires VTY command work.

After that processing of path messages will require the te_rdb engine
to be running.  At first I just want to get it running with just
shortest path routing constraints (ie no bandwidth or affinity considered).
To do this the te_rdb code needs to be modified to do standard IPv4
lookups some how, either by building a patricia tree from route
updates that come from zebra or by issuing nexthop lookups back
to the main zebra daemon using the ZEBRA_IPV4_NEXTHOP_LOOKUP message.
I'm leaning toward the latter because I think down the road I will
want to move all of the CSPF calculations into the zebra daemon, this
will make TE info dissemination easier and will make the CSPF and TE info
available to other protocols that choose to use it.

So basically, dig in and start trying to make it work.  I'm
hoping to finish up some LDP work, once I have LDP at least kind of
working again, I will switch gears and work on RSVP-TE as well.

> Thank you very much.
> 
> On Fri, Feb 29, 2008 at 12:07 PM, Jesús Nubiola <oc...@gm...> wrote:
> 
> > I'm not able to access to perforce server during all the morning.
> >
> > Is the server down?
> >
> >
> > On Tue, Feb 26, 2008 at 4:02 AM, James R. Leu <jl...@mi...> wrote:
> >
> > > On Mon, Feb 25, 2008 at 01:33:49PM +0100,
> > > =?ISO-8859-1?Q?Jes=FAs_Nubiola_ wrote:
> > > > Hi James,
> > > >
> > > > I have been reading your guide to access to your perforce server  (
> > > > http://mpls-linux.sourceforge.net/). Note: the link to the developers
> > > guide
> > > > in your web is broken :(
> > >
> > > Thanks for the notice, being that it was written and host by someone
> > > else who is no longer helping the project I'll end up removing the link.
> > >
> > > > As I was saying I think that I've be able to connect to your perforce
> > > > following the instructions on your web but I don't see exactly the
> > > same you
> > > > put in your instructions above-named:
> > >
> > > You need to create your own workspace, and then modify the view.
> > > The quagga-rsvpte dir is not what you want, that is an old failed
> > > rsvpte implementation.  The one you want is in the quagga-mpls tree.
> > > You will need the entire quagga-mpls directory.
> > > I'm almost done porting it to quagga-0.99.9.  I haven't done any testing
> > > with it.  It probably doesn't work at all, but I could really use some
> > > help getting it going.
> > >
> > > > Under the heading 'Access to my development repository'.  The 'view'
> > > > you will want is:
> > > >
> > > >    //depot/quagga/... //<client name>/quagga/...
> > > >    //depot/quagga-plus/... //<client name>/quagga-plus/...
> > > >    //depot/quagga-mpls/... //<client name>/quagga-mpls/...
> > > >
> > > > The only folder that I see is the last one (quagga-mpls), and inside
> > > of it
> > > > there is another folder named rsvpd.
> > > > Is that folder the one that you aimed in the mail before?
> > > > Could you give me some advices to understand the state of the art of
> > > that
> > > > code? (examples that I can prove or anything that you think it could
> > > help me
> > > > to understand the code and let me to improve the integration into
> > > Quagga).
> > > >
> > > > Here is a snapshot of my view of your perforce server:
> > > > http://img96.imageshack.us/my.php?image=screenshotperforcemplsro5.jpg
> > > >
> > > > The options I use to connect it are:
> > > >
> > > > server: p4.dangermen.com
> > > > port: 1666
> > > > Username: perforce (no password)
> > > > worksace: mplslinux (on click to browse button it appears 4 options:
> > > > esemjrpg3, /home/tmp/dep, mmbb97 and mplslinux.  thought that the last
> > > one
> > > > was the correct one)
> > > >
> > > > Thank you very much and sorry for my English again ;)
> > > >
> > > > Regards
> > >
> > > >
> > > -------------------------------------------------------------------------
> > > > This SF.net email is sponsored by: Microsoft
> > > > Defy all challenges. Microsoft(R) Visual Studio 2008.
> > > > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> > > > _______________________________________________
> > > > mpls-linux-general mailing list
> > > > mpl...@li...
> > > > https://lists.sourceforge.net/lists/listinfo/mpls-linux-general
> > >
> > >
> > > --
> > > James R. Leu
> > > jl...@mi...
> > >
> >
> >

> -------------------------------------------------------------------------
> This SF.net email is sponsored by: Microsoft
> Defy all challenges. Microsoft(R) Visual Studio 2008.
> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> _______________________________________________
> mpls-linux-devel mailing list
> mpl...@li...
> https://lists.sourceforge.net/lists/listinfo/mpls-linux-devel


-- 
James R. Leu
jl...@mi...

Re: [mpls-linux-general] Development MPLS-Linux

[J. N. <oc...@gm...>]

Finally I can get access to the repository :)

I have created a workspace named oksi. I have downloaded quagga-mpls and
look a litle bit the code of rsvpd. I am realized that is the Vadim
implementation, isn't it?
Arrived at this point I'm lost about how can I test it or if I'm doing well
or not downloading this folder.
Can you advice me of some test that can help and contributed the results to
the project?

Thank you very much.

On Fri, Feb 29, 2008 at 12:07 PM, Jesús Nubiola <oc...@gm...> wrote:

> I'm not able to access to perforce server during all the morning.
>
> Is the server down?
>
>
> On Tue, Feb 26, 2008 at 4:02 AM, James R. Leu <jl...@mi...> wrote:
>
> > On Mon, Feb 25, 2008 at 01:33:49PM +0100,
> > =?ISO-8859-1?Q?Jes=FAs_Nubiola_ wrote:
> > > Hi James,
> > >
> > > I have been reading your guide to access to your perforce server  (
> > > http://mpls-linux.sourceforge.net/). Note: the link to the developers
> > guide
> > > in your web is broken :(
> >
> > Thanks for the notice, being that it was written and host by someone
> > else who is no longer helping the project I'll end up removing the link.
> >
> > > As I was saying I think that I've be able to connect to your perforce
> > > following the instructions on your web but I don't see exactly the
> > same you
> > > put in your instructions above-named:
> >
> > You need to create your own workspace, and then modify the view.
> > The quagga-rsvpte dir is not what you want, that is an old failed
> > rsvpte implementation.  The one you want is in the quagga-mpls tree.
> > You will need the entire quagga-mpls directory.
> > I'm almost done porting it to quagga-0.99.9.  I haven't done any testing
> > with it.  It probably doesn't work at all, but I could really use some
> > help getting it going.
> >
> > > Under the heading 'Access to my development repository'.  The 'view'
> > > you will want is:
> > >
> > >    //depot/quagga/... //<client name>/quagga/...
> > >    //depot/quagga-plus/... //<client name>/quagga-plus/...
> > >    //depot/quagga-mpls/... //<client name>/quagga-mpls/...
> > >
> > > The only folder that I see is the last one (quagga-mpls), and inside
> > of it
> > > there is another folder named rsvpd.
> > > Is that folder the one that you aimed in the mail before?
> > > Could you give me some advices to understand the state of the art of
> > that
> > > code? (examples that I can prove or anything that you think it could
> > help me
> > > to understand the code and let me to improve the integration into
> > Quagga).
> > >
> > > Here is a snapshot of my view of your perforce server:
> > > http://img96.imageshack.us/my.php?image=screenshotperforcemplsro5.jpg
> > >
> > > The options I use to connect it are:
> > >
> > > server: p4.dangermen.com
> > > port: 1666
> > > Username: perforce (no password)
> > > worksace: mplslinux (on click to browse button it appears 4 options:
> > > esemjrpg3, /home/tmp/dep, mmbb97 and mplslinux.  thought that the last
> > one
> > > was the correct one)
> > >
> > > Thank you very much and sorry for my English again ;)
> > >
> > > Regards
> >
> > >
> > -------------------------------------------------------------------------
> > > This SF.net email is sponsored by: Microsoft
> > > Defy all challenges. Microsoft(R) Visual Studio 2008.
> > > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> > > _______________________________________________
> > > mpls-linux-general mailing list
> > > mpl...@li...
> > > https://lists.sourceforge.net/lists/listinfo/mpls-linux-general
> >
> >
> > --
> > James R. Leu
> > jl...@mi...
> >
>
>

Re: [mpls-linux-general] Development MPLS-Linux

[J. N. <oc...@gm...>]

I'm not able to access to perforce server during all the morning.

Is the server down?

On Tue, Feb 26, 2008 at 4:02 AM, James R. Leu <jl...@mi...> wrote:

> On Mon, Feb 25, 2008 at 01:33:49PM +0100, =?ISO-8859-1?Q?Jes=FAs_Nubiola_
> wrote:
> > Hi James,
> >
> > I have been reading your guide to access to your perforce server  (
> > http://mpls-linux.sourceforge.net/). Note: the link to the developers
> guide
> > in your web is broken :(
>
> Thanks for the notice, being that it was written and host by someone
> else who is no longer helping the project I'll end up removing the link.
>
> > As I was saying I think that I've be able to connect to your perforce
> > following the instructions on your web but I don't see exactly the same
> you
> > put in your instructions above-named:
>
> You need to create your own workspace, and then modify the view.
> The quagga-rsvpte dir is not what you want, that is an old failed
> rsvpte implementation.  The one you want is in the quagga-mpls tree.
> You will need the entire quagga-mpls directory.
> I'm almost done porting it to quagga-0.99.9.  I haven't done any testing
> with it.  It probably doesn't work at all, but I could really use some
> help getting it going.
>
> > Under the heading 'Access to my development repository'.  The 'view'
> > you will want is:
> >
> >    //depot/quagga/... //<client name>/quagga/...
> >    //depot/quagga-plus/... //<client name>/quagga-plus/...
> >    //depot/quagga-mpls/... //<client name>/quagga-mpls/...
> >
> > The only folder that I see is the last one (quagga-mpls), and inside of
> it
> > there is another folder named rsvpd.
> > Is that folder the one that you aimed in the mail before?
> > Could you give me some advices to understand the state of the art of
> that
> > code? (examples that I can prove or anything that you think it could
> help me
> > to understand the code and let me to improve the integration into
> Quagga).
> >
> > Here is a snapshot of my view of your perforce server:
> > http://img96.imageshack.us/my.php?image=screenshotperforcemplsro5.jpg
> >
> > The options I use to connect it are:
> >
> > server: p4.dangermen.com
> > port: 1666
> > Username: perforce (no password)
> > worksace: mplslinux (on click to browse button it appears 4 options:
> > esemjrpg3, /home/tmp/dep, mmbb97 and mplslinux.  thought that the last
> one
> > was the correct one)
> >
> > Thank you very much and sorry for my English again ;)
> >
> > Regards
>
> >
> -------------------------------------------------------------------------
> > This SF.net email is sponsored by: Microsoft
> > Defy all challenges. Microsoft(R) Visual Studio 2008.
> > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> > _______________________________________________
> > mpls-linux-general mailing list
> > mpl...@li...
> > https://lists.sourceforge.net/lists/listinfo/mpls-linux-general
>
>
> --
> James R. Leu
> jl...@mi...
>

[mpls-linux-general] (no subject)

[rachid r. <rac...@ho...>]

Hello All,
 
I want to install and configure my linux (fedora5) to support LDP, i know that quagga is used for that, did someone has any idea? documentation? how to configure it and how it work? is there any experimentation is made?
 
Thanks for your Help.
R.Benbrahim
_________________________________________________________________
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Re: [mpls-linux-general] installing and configuring MPLS with Ubuntu

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

I suggest changing to Fedora 8 and using the RPMs I package and post at:

    http://mpls-linux.sourceforge.net/fedora/ 

by including

    http://mpls-linux.sourceforge.net/fedora/mpls-linux.repo

in your yum repo.

On Tue, Feb 26, 2008 at 12:14:13PM +0100, luc...@li... wrote:
> Hi everybody,
> I'm an absolute newby of Linux and I must use MPLS-Linux for my thesis.
> I have Ubuntu 7.10 with a kernel 2.6.20-16
> I tried to install it but the first operation suggested in the guide was downgrading the kernel to 2.6.15 and recompiling it.
> As you can guess I've had a lot of problems, and I can't boot it.
> 
> I've read that it's possible to make a LiveCD to use MPLS Linux.
> Do any of you have idea of how I can solve my problem in an easy way (For example by downloading an existing liveCD???).
> Sorry for my absolute ignorance and for my bad english!
> Thank you all
> 
> 
> -------------------------------------------------------------------------
> This SF.net email is sponsored by: Microsoft
> Defy all challenges. Microsoft(R) Visual Studio 2008.
> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> _______________________________________________
> mpls-linux-general mailing list
> mpl...@li...
> https://lists.sourceforge.net/lists/listinfo/mpls-linux-general

-- 
James R. Leu
jl...@mi...

[mpls-linux-general] installing and configuring MPLS with Ubuntu

[lucapilosu\@libero\.it <luc...@li...>]

Hi everybody,
I'm an absolute newby of Linux and I must use MPLS-Linux for my thesis.
I have Ubuntu 7.10 with a kernel 2.6.20-16
I tried to install it but the first operation suggested in the guide was downgrading the kernel to 2.6.15 and recompiling it.
As you can guess I've had a lot of problems, and I can't boot it.

I've read that it's possible to make a LiveCD to use MPLS Linux.
Do any of you have idea of how I can solve my problem in an easy way (For example by downloading an existing liveCD???).
Sorry for my absolute ignorance and for my bad english!
Thank you all

Re: [mpls-linux-general] Development MPLS-Linux

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

On Mon, Feb 25, 2008 at 01:33:49PM +0100, =?ISO-8859-1?Q?Jes=FAs_Nubiola_ wrote:
> Hi James,
> 
> I have been reading your guide to access to your perforce server  (
> http://mpls-linux.sourceforge.net/). Note: the link to the developers guide
> in your web is broken :(

Thanks for the notice, being that it was written and host by someone
else who is no longer helping the project I'll end up removing the link.

> As I was saying I think that I've be able to connect to your perforce
> following the instructions on your web but I don't see exactly the same you
> put in your instructions above-named:

You need to create your own workspace, and then modify the view.
The quagga-rsvpte dir is not what you want, that is an old failed
rsvpte implementation.  The one you want is in the quagga-mpls tree.
You will need the entire quagga-mpls directory.
I'm almost done porting it to quagga-0.99.9.  I haven't done any testing
with it.  It probably doesn't work at all, but I could really use some
help getting it going.

> Under the heading 'Access to my development repository'.  The 'view'
> you will want is:
> 
>    //depot/quagga/... //<client name>/quagga/...
>    //depot/quagga-plus/... //<client name>/quagga-plus/...
>    //depot/quagga-mpls/... //<client name>/quagga-mpls/...
> 
> The only folder that I see is the last one (quagga-mpls), and inside of it
> there is another folder named rsvpd.
> Is that folder the one that you aimed in the mail before?
> Could you give me some advices to understand the state of the art of that
> code? (examples that I can prove or anything that you think it could help me
> to understand the code and let me to improve the integration into Quagga).
> 
> Here is a snapshot of my view of your perforce server:
> http://img96.imageshack.us/my.php?image=screenshotperforcemplsro5.jpg
> 
> The options I use to connect it are:
> 
> server: p4.dangermen.com
> port: 1666
> Username: perforce (no password)
> worksace: mplslinux (on click to browse button it appears 4 options:
> esemjrpg3, /home/tmp/dep, mmbb97 and mplslinux.  thought that the last one
> was the correct one)
> 
> Thank you very much and sorry for my English again ;)
> 
> Regards

> -------------------------------------------------------------------------
> This SF.net email is sponsored by: Microsoft
> Defy all challenges. Microsoft(R) Visual Studio 2008.
> http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> _______________________________________________
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> mpl...@li...
> https://lists.sourceforge.net/lists/listinfo/mpls-linux-general


-- 
James R. Leu
jl...@mi...

Re: [mpls-linux-general] Some questions

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

In regards to the purpose of the MPLS tunnel interface, it is used as another
way to map traffic to a LSP.  You could create routes like:

    ip route add 10.0.0.0/8 dev mpls0

as opposed to

    ip route add 10.0.0.0/8 via 192.168.1.1 mpls 0x2

Same thing just a different technique for mapping.
It can be used for applications that cannot be modified
to bind routes directly to LSPs.

Also the "tunnel" paradigm is used by a couple of
popular router manufactures to represent a RSVP-TE LSP.

On Mon, Feb 18, 2008 at 03:12:29PM +0100, Javier Lorenzo wrote:
> James,
> Thank you for your answer.
> 
> 2008/2/16, James R. Leu <jl...@mi...>:
> > Javier,
> >
> > Thank you for trying MPLS Linux.  I've answered your questions in-line.
> > Please continue to send any questions you have to the mpls-linux-general
> > mailing list and I or others will do our best to answer your questions.
> >
> > On Fri, Feb 15, 2008 at 03:55:47PM +0100, Javier Lorenzo wrote:
> > > First of all, I'm working with mpls-1.950 on fc4 and I think these
> > > things aren't working well.
> > > I don't know if they work on newer releases.
> > >
> > > 1.
> > > I can add instructions to labelspace 0, but I can't to others:
> > > [root@localhost ~]# mpls ilm add label gen 100 labelspace 0
> > > instructions forward 0x2
> > > [root@localhost ~]# mpls ilm add label gen 100 labelspace 2
> > > instructions forward 0x2
> > > RTNETLINK answers: No such process
> >
> > I encourage you to upgrade to Fedora 7 or 8 and use the latest
> > packages available.
> >
> >     [root@mpls8-1 ~]# mpls ilm add label gen 100 labelspace 2
> >     [root@mpls8-1 ~]# mpls ilm add label gen 100 labelspace 0
> >     [root@mpls8-1 ~]# mpls ilm show
> >     ILM entry label gen 100 labelspace 0 proto ipv4
> >             pop peek  (0 bytes, 0 pkts)
> >     ILM entry label gen 100 labelspace 2 proto ipv4
> >             pop peek  (0 bytes, 0 pkts)
> >     [root@mpls8-1 ~]# uname -a
> >     Linux mpls8-1 2.6.23.15-137.fc8.mpls.1.960 #1 SMP Thu Feb 14 00:08:42 EST 2008 i686 i686 i386 GNU/Linux
> >     [root@mpls8-1 ~]#
> >
> 
> I don't mind if it don't work in this release, but I thougth it could
> help with debugging.
> If I do
> mpls ilm add label gen 200 labelspace 2
> it works well, but when I try to add some instructions:
> [root@localhost ~]# mpls ilm add label gen 200 labelspace 2
> instructions pop set-exp 0x3 forward 0x2
> RTNETLINK answers: No such process
> [root@localhost ~]# mpls ilm add label gen 200 labelspace 0
> instructions pop set-exp 0x3 forward 0x2
> [root@localhost ~]# mpls ilm add label gen 200 labelspace 2
> instructions pop set-exp 0x3 forward 0x2
> [root@localhost ~]# mpls ilm show
> ILM entry label gen 200 labelspace 2 proto ipv4
>         pop peek  (0 bytes, 0 pkts)
> ILM entry label gen 200 labelspace 0 proto ipv4
>         pop set-exp 3 forward key 0x00000002  (0 bytes, 0 pkts)
> 
> If I want to add the label to a labelspace per interface, and I want
> to do something (not the default pop), I get an error. If I add that
> label to the labelspace 0 before, I don't get the error, but the
> result is the default pop.
> 
> 
> > > 2.
> > > I have a problem when I try to add a label to a packet that already
> > > carries one (only one).
> > > In the LSR, I do:
> > > mpls nhlfe add key 0 instructions push gen 2000 nexthop eth0 ipv4 10.6.44.6
> > > mpls ilm add label gen 1000 instructions forward 0x2
> > >
> > > And in the ingress LER I do:
> > > mpls nhlfe change key 0x2 instructions push gen 500 push gen 1000
> > > nexthop eth0 ipv4 10.6.44.2
> > > or:
> > > mpls nhlfe change key 0x2 instructions push gen 1000 nexthop eth0 ipv4 10.6.44.2
> > >
> > > In the first case, there isn't any problems, but in the second, the S
> > > bit in the MPLS header
> > > with the label 2000 is set to 1. And it must be 0.
> > > I know that I can pop the label 1000 and push it again, solving the
> > > problem; but if I want
> > > to merge some LSP in that tunnel, I have to repeat the nhlfe line for each LSP.
> > > And I think it isn't the desired behaviour.
> >
> > push without pop is not supported and it against RFC 3031.  By doing
> > a push without pop your exposing nodes further along the LSP to labels
> > they have not assigned.
> >
> >        A ----> B -----> C
> >
> > In this picture the arrows represent the direction the packets are flowing.
> > Currently the only form of label allocation that is standardized is down
> > stream label allocation which mean the next hop peer assigns the label
> > on which a MPLS speaker can sent traffic.  In other words, B assigns labels
> > for which A can send traffic to B.  By doing a push without pop, you are
> > exposing some node beyond B to labels for which it did do assign.
> >
> > If you are trying to accomplish label stacking such as is found in MPLS BGP
> > VPNs or by-pass tunnels, then you will want to utilize the the 'forward'
> > instruction on a NHLFE to product layers of indirection.
> >
> > ILM (peek,pop,fwd) -> NHLFE (push,fwd) -> NHLFE (push,nexthop)
> >
> >
> 
> Ok. All right.
> 
> > > 3.
> > > I don't know how to use
> > > set-rx-if <NAME> forward <KEY>
> > > I tried this:
> > > [root@localhost ~]# mpls ilm add label gen 255 instructions set-rx-if
> > > eth0 forward 0x2
> > > RTNETLINK answers: Operation not permitted
> >
> > set-rx-if is used to set the interface you want to the kernel to believe
> > the packet arrived on.  It can be used in combination with the MPLS tunnel
> > interface to provide a bi-direction interface (MPLS tunnel interfaces are
> > uni-directional since they represent a uni-directional LSP).
> >
> > I believe set-rx-if must be the last instruction.
> >
> 
> I'm sorry. The command I wrote was right, but I forgot to set the
> interface into the labelspace. I've tried it with the tunnel interface
> and it works well. Thank you very much.
> 
> But I'm a bit confused with the tunnel interface. When or why is it useful?
> If I send traffic trought the mpls0 interface I have to do,
> mpls tunnel set dev mpls0 nhlfe KEY
> but I can forward traffic to that nhlfe key without the mpls0 interface.
> And when I use set-rx-if and the kernel thinks the traffic comes
> throught the mpls0 interface:
> if I'm going to do a MPLS forward I don't need the information;
> if I'm going to do a IP forward, I can do it with   ILM(pop,
> forward)-->NHLFE(nexthop)   or ILM(pop) and after an IP search.
> 
> > > Thank you.
> > > --
> > > Javier Lorenzo
> > >
> > > -------------------------------------------------------------------------
> > > This SF.net email is sponsored by: Microsoft
> > > Defy all challenges. Microsoft(R) Visual Studio 2008.
> > > http://clk.atdmt.com/MRT/go/vse0120000070mrt/direct/01/
> > > _______________________________________________
> > > mpls-linux-general mailing list
> > > mpl...@li...
> > > https://lists.sourceforge.net/lists/listinfo/mpls-linux-general
> >
> > --
> > James R. Leu
> > jl...@mi...
> >

-- 
James R. Leu
jl...@mi...

[mpls-linux-general] Your summer nights are set to be more EXPLOSIVE!

[Najum m. <Naj...@ab...>]

Say farewell to boring lovemaking by clicking here

[mpls-linux-general] Development MPLS-Linux

[J. N. <oc...@gm...>]

Hi James,

I have been reading your guide to access to your perforce server  (
http://mpls-linux.sourceforge.net/). Note: the link to the developers guide
in your web is broken :(
As I was saying I think that I've be able to connect to your perforce
following the instructions on your web but I don't see exactly the same you
put in your instructions above-named:


Under the heading 'Access to my development repository'.  The 'view'
you will want is:

   //depot/quagga/... //<client name>/quagga/...
   //depot/quagga-plus/... //<client name>/quagga-plus/...
   //depot/quagga-mpls/... //<client name>/quagga-mpls/...

The only folder that I see is the last one (quagga-mpls), and inside of it
there is another folder named rsvpd.
Is that folder the one that you aimed in the mail before?
Could you give me some advices to understand the state of the art of that
code? (examples that I can prove or anything that you think it could help me
to understand the code and let me to improve the integration into Quagga).

Here is a snapshot of my view of your perforce server:
http://img96.imageshack.us/my.php?image=screenshotperforcemplsro5.jpg

The options I use to connect it are:

server: p4.dangermen.com
port: 1666
Username: perforce (no password)
worksace: mplslinux (on click to browse button it appears 4 options:
esemjrpg3, /home/tmp/dep, mmbb97 and mplslinux.  thought that the last one
was the correct one)

Thank you very much and sorry for my English again ;)

Regards

[mpls-linux-general] Be the MAN you always wanted to be!

[Base N. <_ga...@al...>]

Say farewell to boring lovemaking by clicking here

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Feel the blood flowing to ENLARGE your shaft

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Don't let her be disappointed with your performance in bed

[mpls-linux-general] Worried about your performance in bed? Be an absolute ANIMAL in bed with this.

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Now that I've added inches, she actually complains I'm a little too tight when inside her.