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

Re: [mpls-linux-general] ospf

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

quagga ospf related questions should be sent to the quagga mailing list.

    http://quagga.net/lists.php

On Tue, Dec 07, 2004 at 11:34:28AM +0100, Yablai A. Bougouyou wrote:
> Hello every body,
> 
> I had install ldp-portable, deploy ospfbut  ospf not distribute route  
> to kernel, i need help for appropriate configuration for  ospf. May be  
> i have done bad configuration. This is my ospf configuration.
> 
> |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 
> |||||||||||||||||||||||||||
> 
>  Current configuration:
> !
> hostname root
> password root
> enable password root
> !
> !
> !
> interface lo
> !
> interface sit0
> !
> interface eth0
>  mpls-te link metric 0
>  mpls-te link max-bw 1.25e+06
>  mpls-te link max-rsv-bw 1.25e+06
>  mpls-te link unrsv-bw 0 1.25e+06
>  mpls-te link unrsv-bw 1 1.25e+06
>  mpls-te link unrsv-bw 2 1.25e+06
>  mpls-te link unrsv-bw 3 1.25e+06
>  mpls-te link unrsv-bw 4 1.25e+06
>  mpls-te link unrsv-bw 5 1.25e+06
>  mpls-te link unrsv-bw 6 1.25e+06
>  mpls-te link unrsv-bw 7 1.25e+06
>  mpls-te link rsc-clsclr 0x0
> !
> interface eth1
>  mpls-te link metric 0
>  mpls-te link max-bw 1.25e+06
>  mpls-te link max-rsv-bw 1.25e+06
>  mpls-te link unrsv-bw 0 1.25e+06
>  mpls-te link unrsv-bw 1 1.25e+06
>  mpls-te link unrsv-bw 2 1.25e+06
>  mpls-te link unrsv-bw 3 1.25e+06
>  mpls-te link unrsv-bw 4 1.25e+06
>  mpls-te link unrsv-bw 5 1.25e+06
>  mpls-te link unrsv-bw 6 1.25e+06
>  mpls-te link unrsv-bw 7 1.25e+06
>  mpls-te link rsc-clsclr 0x0
> !
> router ospf
>  ospf router-id 192.168.3.1
>  network 192.168.3.0/24 area 10
>  network 192.168.4.0/24 area 10
>   mpls-te
>   mpls-te router-address 192.168.4.2
> !
> line vty
> !
> end
> root#
> |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 
> |||||||||||||||||||||||||||
> 
> regards
> Bougouyou
> 
> 
> 
> -------------------------------------------------------
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-- 
James R. Leu
jl...@mi...

[mpls-linux-general] Bind label space-interface

[<ed...@ti...>]

Hi 
 making a test between an MPLS router and an IP one i've forgotten to do
following instruction:

mplsadm2 -L eth0:0

Seeing the output of test MPLS router labels correctly all packets it sen=
ts
to the IP router. Now my question is this: what the command above is usef=
ul
for? Why it seems that it goes well also without this setting?
Making other tests i've noticed that without this setting there is no out=
put
on video but communication goes well however and all packets are correctl=
y
labeled
Thanks in advance for the help

__________________________________________________________________
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[mpls-linux-general] Output of /proc/net/mpls/out

[<ed...@ti...>]

Hi everybody
            i've setted an MPLS network using old and new version of soft=
ware.
I've noticed that seeing output of /proc/net/mpls/out  of a router before=

starting ping it shows
.... 0/0/0 ..... 
and after ping it shows

.... x/y/z ......

while with new version of software it doesn't show information about pack=
ets
received and amount of bytes. Why?

An other question seeing output of /proc/net/mpl/labelspace you see

Iface LSpc   Refcnt

What does Refcnt mean? What does it is useful for? 
I've seen that before ping it has a value, after an other value but how
does it change?

Thanks in advance for the help



__________________________________________________________________
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piu' veloce in Italia. In piu', se ti abboni entro il 13 dicembre 2004,
navighi gratis fino al 31 marzo 2005 e non paghi il costo di adesione.
http://abbonati.tiscali.it/adsl/

[mpls-linux-general] ospf

[Yablai A. B. <yab...@ei...>]

Hello every body,

I had install ldp-portable, deploy ospfbut  ospf not distribute route  
to kernel, i need help for appropriate configuration for  ospf. May be  
i have done bad configuration. This is my ospf configuration.

|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 
|||||||||||||||||||||||||||

  Current configuration:
!
hostname root
password root
enable password root
!
!
!
interface lo
!
interface sit0
!
interface eth0
  mpls-te link metric 0
  mpls-te link max-bw 1.25e+06
  mpls-te link max-rsv-bw 1.25e+06
  mpls-te link unrsv-bw 0 1.25e+06
  mpls-te link unrsv-bw 1 1.25e+06
  mpls-te link unrsv-bw 2 1.25e+06
  mpls-te link unrsv-bw 3 1.25e+06
  mpls-te link unrsv-bw 4 1.25e+06
  mpls-te link unrsv-bw 5 1.25e+06
  mpls-te link unrsv-bw 6 1.25e+06
  mpls-te link unrsv-bw 7 1.25e+06
  mpls-te link rsc-clsclr 0x0
!
interface eth1
  mpls-te link metric 0
  mpls-te link max-bw 1.25e+06
  mpls-te link max-rsv-bw 1.25e+06
  mpls-te link unrsv-bw 0 1.25e+06
  mpls-te link unrsv-bw 1 1.25e+06
  mpls-te link unrsv-bw 2 1.25e+06
  mpls-te link unrsv-bw 3 1.25e+06
  mpls-te link unrsv-bw 4 1.25e+06
  mpls-te link unrsv-bw 5 1.25e+06
  mpls-te link unrsv-bw 6 1.25e+06
  mpls-te link unrsv-bw 7 1.25e+06
  mpls-te link rsc-clsclr 0x0
!
router ospf
  ospf router-id 192.168.3.1
  network 192.168.3.0/24 area 10
  network 192.168.4.0/24 area 10
   mpls-te
   mpls-te router-address 192.168.4.2
!
line vty
!
end
root#
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| 
|||||||||||||||||||||||||||

regards
Bougouyou

Re: [mpls-linux-general] Problem with ip route + lsp

[Alexandra A. <aa...@te...>]

Hello,

Thanks, now the MPLS-Linux example =
(http://perso.enst.fr/~casellas/mpls-linux/index.html) is working.  But, =
what is the real advantage? where can I apply the mpls? What is the =
sense to have MPLS in to PCs with the same network?

I would like to apply this between two remote linux!.  I Have for =
example two simple tunnel linux servers, each of one in differents =
cities with some routers in the middle, and I can make a vpn without =
ipsec between two remote edge with differents networks.  The only =
disadvantage
is that I can't repeat de networks more than once.  MPLS improve this?, =
and if do; can you help me with some examples?


Thanks for your help.


Alexandra Alvarado

  ----- Original Message -----=20
  From: Alexandra Alvarado=20
  To: mpl...@li... ; Alexandra Alvarado=20
  Sent: Wednesday, December 01, 2004 5:29 PM
  Subject: [mpls-linux-general] Problem with ip route + lsp


  Hello,

  I have installed in my linux fedora core 2 the next package:

  iproute-2.4.7-14mpls_1_935
  mplsadm2-1.935-1
  iptables-1.2.9-2.3.1mpls_1_938
  quagga-0.96.4-1.1mpls_1_935
  kernel-sourcecode-2.6.8-1.521mpls_1_938a
  mplsadm2-1.938-1
  kernel-2.6.6-1.435.2.3skas3_mpls_1_935
  iptables-1.2.9-2.3.1mpls_1_935
  iptables-ipv6-1.2.9-2.3.1mpls_1_935
  glibc-kernheaders-2.4-8.44mpls

  After reboot the machine, I tried to configure the example:

  [root@mplsa 1_935]# mplsadm2 -A -O 0
  MPLSADM mplsadm.c:692:main: Out segment input: 0
  Key: 0x00000003
  Out Segment add: Success
  [root@mplsa 1_935]#=20

  [root@mplsa 1_935]# mplsadm2 -O 0x3 -o =
push:gen:16:set:eth0:ipv4:128.104.18.114
  MPLSADM mplsadm.c:692:main: Out segment input: 0x3
  MPLSADM mplsadm.c:688:main: Out instr input: =
push:gen:16:set:eth0:ipv4:128.104.18.114
  MPLSADM mplsadm.c:292:fill_instructions: Instruction: push
  MPLSADM mplsadm.c:229:fill_label: Label type: gen
  MPLSADM mplsadm.c:292:fill_instructions: Instruction: set
  MPLSADM mplsadm.c:181:parse_nh_info: eth0
  MPLSADM mplsadm.c:182:parse_nh_info: 128.104.18.114
  MPLSADM mplsadm.c:204:parse_nh_info: Nexthop protocol: ipv4
  MPLSADM mplsadm.c:596:fill_instructions: Length: 2
  Out Instr: Success
  You have new mail in /var/spool/mail/root
  [root@mplsa 1_935]#=20

  The problem is HERE:
  [root@mplsa 1_935]# ip route add 128.104.18.114/32 via 128.104.18.114 =
lsp 0x3
  Error: either "to" is duplicate, or "lsp" is a garbage.
  [root@mplsa 1_935]#=20

  Why, I installed iproute-2.4.7-14mpls_1_935, and other version with =
lsp patch without succes?

  Can somebody say to me what is the problem or missconfiguration?

  Thanks


  Alexandra Alvarado

Re: [mpls-linux-general] Problem with ip route + lsp

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

Where did you read this example?  The exmaple your using specifies the
old syntax.  The new syntax is:

ip route add 1.1.1.1/32 via 2.2.2.2 spec_nh 0x8847 0x2

where 0x8847 tells the special next hop system you want to use MPLS
and the 0x2 tells it to used NHLFE with index 0x2

On Wed, Dec 01, 2004 at 05:29:17PM -0500, Alexandra Alvarado wrote:
> Hello,
> 
> I have installed in my linux fedora core 2 the next package:
> 
> iproute-2.4.7-14mpls_1_935
> mplsadm2-1.935-1
> iptables-1.2.9-2.3.1mpls_1_938
> quagga-0.96.4-1.1mpls_1_935
> kernel-sourcecode-2.6.8-1.521mpls_1_938a
> mplsadm2-1.938-1
> kernel-2.6.6-1.435.2.3skas3_mpls_1_935
> iptables-1.2.9-2.3.1mpls_1_935
> iptables-ipv6-1.2.9-2.3.1mpls_1_935
> glibc-kernheaders-2.4-8.44mpls
> 
> After reboot the machine, I tried to configure the example:
> 
> [root@mplsa 1_935]# mplsadm2 -A -O 0
> MPLSADM mplsadm.c:692:main: Out segment input: 0
> Key: 0x00000003
> Out Segment add: Success
> [root@mplsa 1_935]# 
> 
> [root@mplsa 1_935]# mplsadm2 -O 0x3 -o push:gen:16:set:eth0:ipv4:128.104.18.114
> MPLSADM mplsadm.c:692:main: Out segment input: 0x3
> MPLSADM mplsadm.c:688:main: Out instr input: push:gen:16:set:eth0:ipv4:128.104.18.114
> MPLSADM mplsadm.c:292:fill_instructions: Instruction: push
> MPLSADM mplsadm.c:229:fill_label: Label type: gen
> MPLSADM mplsadm.c:292:fill_instructions: Instruction: set
> MPLSADM mplsadm.c:181:parse_nh_info: eth0
> MPLSADM mplsadm.c:182:parse_nh_info: 128.104.18.114
> MPLSADM mplsadm.c:204:parse_nh_info: Nexthop protocol: ipv4
> MPLSADM mplsadm.c:596:fill_instructions: Length: 2
> Out Instr: Success
> You have new mail in /var/spool/mail/root
> [root@mplsa 1_935]# 
> 
> The problem is HERE:
> [root@mplsa 1_935]# ip route add 128.104.18.114/32 via 128.104.18.114 lsp 0x3
> Error: either "to" is duplicate, or "lsp" is a garbage.
> [root@mplsa 1_935]# 
> 
> Why, I installed iproute-2.4.7-14mpls_1_935, and other version with lsp patch without succes?
> 
> Can somebody say to me what is the problem or missconfiguration?
> 
> Thanks
> 
> 
> Alexandra Alvarado
> 
> 

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

[mpls-linux-general] Problem with ip route + lsp

[Alexandra A. <aa...@te...>]

Hello,

I have installed in my linux fedora core 2 the next package:

iproute-2.4.7-14mpls_1_935
mplsadm2-1.935-1
iptables-1.2.9-2.3.1mpls_1_938
quagga-0.96.4-1.1mpls_1_935
kernel-sourcecode-2.6.8-1.521mpls_1_938a
mplsadm2-1.938-1
kernel-2.6.6-1.435.2.3skas3_mpls_1_935
iptables-1.2.9-2.3.1mpls_1_935
iptables-ipv6-1.2.9-2.3.1mpls_1_935
glibc-kernheaders-2.4-8.44mpls

After reboot the machine, I tried to configure the example:

[root@mplsa 1_935]# mplsadm2 -A -O 0
MPLSADM mplsadm.c:692:main: Out segment input: 0
Key: 0x00000003
Out Segment add: Success
[root@mplsa 1_935]#=20

[root@mplsa 1_935]# mplsadm2 -O 0x3 -o =
push:gen:16:set:eth0:ipv4:128.104.18.114
MPLSADM mplsadm.c:692:main: Out segment input: 0x3
MPLSADM mplsadm.c:688:main: Out instr input: =
push:gen:16:set:eth0:ipv4:128.104.18.114
MPLSADM mplsadm.c:292:fill_instructions: Instruction: push
MPLSADM mplsadm.c:229:fill_label: Label type: gen
MPLSADM mplsadm.c:292:fill_instructions: Instruction: set
MPLSADM mplsadm.c:181:parse_nh_info: eth0
MPLSADM mplsadm.c:182:parse_nh_info: 128.104.18.114
MPLSADM mplsadm.c:204:parse_nh_info: Nexthop protocol: ipv4
MPLSADM mplsadm.c:596:fill_instructions: Length: 2
Out Instr: Success
You have new mail in /var/spool/mail/root
[root@mplsa 1_935]#=20

The problem is HERE:
[root@mplsa 1_935]# ip route add 128.104.18.114/32 via 128.104.18.114 =
lsp 0x3
Error: either "to" is duplicate, or "lsp" is a garbage.
[root@mplsa 1_935]#=20

Why, I installed iproute-2.4.7-14mpls_1_935, and other version with lsp =
patch without succes?

Can somebody say to me what is the problem or missconfiguration?

Thanks


Alexandra Alvarado

[mpls-linux-general] LDP session

[Yablai A. B. <yab...@ei...>]

Hello everybody,
I need  aid, i have configured quagga ospf and i have enabled mpls-te =20=

then i have deployed ldp and  my ldp can't established session. I don't =20=

know what config i have forgotten
Best regard
Yablai Ars=E8ne Bougouyou
-----------------
my PCs config is it
       ------                ------              ------                 =20=

-------
3.2    1.1 -------- 1.2    2.4 ----- 2.2     4.1 ----4.2     3.1
       -----                 ------               -------                =
=20
   -------
|									 =
  |	=09
|									 =
  |
|									 =
  |
|									 =
  |
------------------------------------------------------------------

this is my ospf current configuration:
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
!
interface eth1
  mpls-te link metric 0
  mpls-te link max-bw 1.25e+06
  mpls-te link max-rsv-bw 1.25e+06
  mpls-te link unrsv-bw 0 1.25e+06
  mpls-te link unrsv-bw 1 1.25e+06
  mpls-te link unrsv-bw 2 1.25e+06
  mpls-te link unrsv-bw 3 1.25e+06
  mpls-te link unrsv-bw 4 1.25e+06
  mpls-te link unrsv-bw 5 1.25e+06
  mpls-te link unrsv-bw 6 1.25e+06
  mpls-te link unrsv-bw 7 1.25e+06
  mpls-te link rsc-clsclr 0x0
!
interface eth2
  mpls-te link metric 0
  mpls-te link max-bw 1.25e+06
  mpls-te link max-rsv-bw 1.25e+06
  mpls-te link unrsv-bw 0 1.25e+06
  mpls-te link unrsv-bw 1 1.25e+06
  mpls-te link unrsv-bw 2 1.25e+06
  mpls-te link unrsv-bw 3 1.25e+06
  mpls-te link unrsv-bw 4 1.25e+06
  mpls-te link unrsv-bw 5 1.25e+06
  mpls-te link unrsv-bw 6 1.25e+06
  mpls-te link unrsv-bw 7 1.25e+06
  mpls-te link rsc-clsclr 0x0
!
interface lo
!
interface sit0
!
router ospf
  redistribute kernel
  redistribute connected
  network 192.168.2.0/24 area 0.0.0.10
  network 192.168.4.0/24 area 0.0.0.10
   mpls-te
   mpls-te router-address 192.168.4.1
!
line vty
!
end
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::

-------------------------------------=20
ldpd.conf---------------------------------------------------------------=20=

------------------------------------
Current configuration:
!
hostname RouterD
password root
enable password root
!
interface eth0
!
interface eth1
  description tunnel
  mpls ip
  mpls labelspace 1
!
interface eth2
  description tunnel
  mpls ip
  mpls labelspace 1
!
interface lo
!
interface sit0
!
!
mpls ip
  egress connected
!
line vty
!
end
------------------------------------------------------------------------=20=

------------------------
and my ldp discovery is there:

RouterD# sh ldp discovery

Local LSR Identifier: 192.168.2.2

Interface Discovery Sources:
         eth1: xmit/recv
             LDP Id: 192.168.3.1:0
             LDP Id: 192.168.3.1:0
             LDP Id: 192.168.3.1:0
         eth2: xmit/recv
             LDP Id: 192.168.2.4:0
             LDP Id: 192.168.2.4:0
             LDP Id: 192.168.2.4:0

Targeted Discovery Sources:
         No configured peers
------------------------------------------------------------------------=20=

-----------------------
RouterD#
RouterD# sh ldp session
     no established sessions
RouterD#
------------------------------------------------------------------------=20=

------------------------
Yablai Ars=E8ne Bougouyou
 =20=

[mpls-linux-general] [r] help please

[jignesh p. <jig...@ya...>]

hi 
   , i am trying to implement , the mpls network using
three pc , which r the main rpms reqired for fedora 2
kenel , 
thanks for help


		
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[mpls-linux-general] Re: mpls-linux-general digest, Vol 1 #733 - 3 msgs

[Yablai A. B. <yab...@ei...>]

Ancuta je vais d=E9poser le mac de la dame que j'ai repar=E9 hier.
=E0 tr=E8s bient=F4t.
Ars=E8ne
On Nov 25, 2004, at 5:33 AM,=20
mpl...@li... wrote:

> Send mpls-linux-general mailing list submissions to
> 	mpl...@li...
>
> To subscribe or unsubscribe via the World Wide Web, visit
> 	https://lists.sourceforge.net/lists/listinfo/mpls-linux-general
> or, via email, send a message with subject or body 'help' to
> 	mpl...@li...
>
> You can reach the person managing the list at
> 	mpl...@li...
>
> When replying, please edit your Subject line so it is more specific
> than "Re: Contents of mpls-linux-general digest..."
>
>
> Today's Topics:
>
>    1. /proc/net/mpls_out output (Sundeep Singh)
>    2. Label stack example with 3 pc (ed...@ti...)
>    3. Label stack example (ed...@ti...)
>
> --__--__--
>
> Message: 1
> Date: Wed, 24 Nov 2004 12:32:58 +0530 (IST)
> From: Sundeep Singh <sin...@ee...>
> To: mpl...@li...
> Subject: [mpls-linux-general] /proc/net/mpls_out output
>
> Hi,
> Please can someone explain the meaning of the output fields from the
> /proc/net/mpls_out file:
> 0x00000003 56/4704/0 2 DS2EXP( DS(00)->EXP(00) DS(0a)->EXP(02)
> DS(0c)->EXP(03) DS(12)->EXP(04) DS(14)->EXP(05) DS(1a)->EXP(06)
> DS(1c)->EXP(07) DS(2e)->EXP(01) ) EXP2TC( EXP(0)->TC(ffff)
> EXP(1)->TC(00b8) EXP(2)->TC(0028) EXP(3)->TC(0030) EXP(4)->TC(0048)
> EXP(5)->TC(0050) EXP(6)->TC(0068) EXP(7)->TC(0070) ) PUSH(gen 11680)
> SET(eth0,10.107.23.140)
>
> i am actually also running a rsvp-te daemon over mpls-linux.
>
> Thanks & regards,
> Sundeep.
>
>
> --__--__--
>
> Message: 2
> Date: Wed, 24 Nov 2004 08:28:00 +0100
> From: ed...@ti...
> To: mpl...@li...
> Subject: [mpls-linux-general] Label stack example with 3 pc
>
> Hi,
>     i'm going to test label stack on my MPLS network, i've seen =
example
> on the mailing list but, in my case, network test is made by 3 pcs.=20
> I've
> tryed to simulate label stack on my network giving to my LER=20
> instruction
> that on the example is given to R3 and those given to R2 to my LSR but=20=

> it=3D
>
> gives error (parsing label). Can you help me?
> Thanks in advance
>
> __________________________________________________________________
> Tiscali Adsl 2 Mega Free: naviga gratis tutto l'anno!
> Supera tutti i limiti di velocita' con Tiscali Adsl 2 Mega Free.
> Sei libero da costi fissi e, se ti abboni entro il 25 novembre,
> navighi gratis fino al 31 dicembre 2004 e non paghi il costo di=20
> adesione.=3D
>
> http://abbonati.tiscali.it/adsl/
>
>
>
>
>
> --__--__--
>
> Message: 3
> Date: Wed, 24 Nov 2004 09:58:28 +0100
> From: ed...@ti...
> To: mpl...@li...
> Subject: [mpls-linux-general] Label stack example
>
> Hi
> i've reviewed mail on mailing list and i've a doubt:
>
>>> mplsadm2 -A -O 0 -o push:gen:1160:set:eth1:10.0.2.6
>>> (key 0x2)
>>> mplsadm2 -A -O 0 -o push:gen:16:fwd:0x2
>>> (key 0x3)
>>
>> This command above leads always to the error message "can"t parse=20
>> labe=3D
> l"
>> on our systems.  Any idea what went wrong here?  We tried varying=20
>> keys=3D
>
>> and labels, to no avail.
>
>  Argh.  Sorry I forgot a label type:
>
>  mplsadm2 -A -O 0 -o push:gen:16:fwd:key:0x2
>                                      ^^^
>
> Which key have it to use? 0x2 that is the NHLFE indicated for label=20
> 1160
> or which one?
> Thanks in advance for the help
>
> __________________________________________________________________
> Tiscali Adsl 2 Mega Free: naviga gratis tutto l'anno!
> Supera tutti i limiti di velocita' con Tiscali Adsl 2 Mega Free.
> Sei libero da costi fissi e, se ti abboni entro il 25 novembre,
> navighi gratis fino al 31 dicembre 2004 e non paghi il costo di=20
> adesione.=3D
>
> http://abbonati.tiscali.it/adsl/
>
>
>
>
>
>
> --__--__--
>
> _______________________________________________
> mpls-linux-general mailing list
> mpl...@li...
> https://lists.sourceforge.net/lists/listinfo/mpls-linux-general
>
>
> End of mpls-linux-general Digest
>

[mpls-linux-general] Different labels for different source addresses

[<ed...@ti...>]

Hi
        i'm trying to make following test: i've two host  that belong to
2 different network (i've done the test with 2 host from the same network=
)
that send traffic to the same host that belong to an other network. Packe=
ts
go throught my MPLS network
I've written instructions for routers (see attachment)but i've many doubt=
s
1) I've done correctly the association label incoming NHLFE on PCLENTO1?
2) Is the way to match labels and NHLFE basing on source on WINDOWS?
Thanks in advance for the help


__________________________________________________________________
Tiscali Adsl 2 Mega Free: naviga gratis tutto l'anno!
Supera tutti i limiti di velocita' con Tiscali Adsl 2 Mega Free.
Sei libero da costi fissi e, se ti abboni entro il 25 novembre,
navighi gratis fino al 31 dicembre 2004 e non paghi il costo di adesione.=

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[mpls-linux-general] Label stack example

[<ed...@ti...>]

Hi 
i've reviewed mail on mailing list and i've a doubt: 

> > mplsadm2 -A -O 0 -o push:gen:1160:set:eth1:10.0.2.6
 > > (key 0x2)
 > > mplsadm2 -A -O 0 -o push:gen:16:fwd:0x2
 > > (key 0x3)
 > 
 > This command above leads always to the error message "can"t parse labe=
l"
 > on our systems.  Any idea what went wrong here?  We tried varying keys=

 > and labels, to no avail.
 
 Argh.  Sorry I forgot a label type:
 
 mplsadm2 -A -O 0 -o push:gen:16:fwd:key:0x2
                                     ^^^

Which key have it to use? 0x2 that is the NHLFE indicated for label 1160
or which one?
Thanks in advance for the help

__________________________________________________________________
Tiscali Adsl 2 Mega Free: naviga gratis tutto l'anno!
Supera tutti i limiti di velocita' con Tiscali Adsl 2 Mega Free.
Sei libero da costi fissi e, se ti abboni entro il 25 novembre,
navighi gratis fino al 31 dicembre 2004 e non paghi il costo di adesione.=

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[mpls-linux-general] Label stack example with 3 pc

[<ed...@ti...>]

Hi,
    i'm going to test label stack on my MPLS network, i've seen example
on the mailing list but, in my case, network test is made by 3 pcs. I've
tryed to simulate label stack on my network giving to my LER instruction
that on the example is given to R3 and those given to R2 to my LSR but it=

gives error (parsing label). Can you help me?
Thanks in advance

__________________________________________________________________
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Supera tutti i limiti di velocita' con Tiscali Adsl 2 Mega Free.
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[mpls-linux-general] /proc/net/mpls_out output

[Sundeep S. <sin...@ee...>]

Hi,
Please can someone explain the meaning of the output fields from the 
/proc/net/mpls_out file:
0x00000003 56/4704/0 2 DS2EXP( DS(00)->EXP(00) DS(0a)->EXP(02) 
DS(0c)->EXP(03) DS(12)->EXP(04) DS(14)->EXP(05) DS(1a)->EXP(06)
DS(1c)->EXP(07) DS(2e)->EXP(01) ) EXP2TC( EXP(0)->TC(ffff) 
EXP(1)->TC(00b8) EXP(2)->TC(0028) EXP(3)->TC(0030) EXP(4)->TC(0048) 
EXP(5)->TC(0050) EXP(6)->TC(0068) EXP(7)->TC(0070) ) PUSH(gen 11680) 
SET(eth0,10.107.23.140)

i am actually also running a rsvp-te daemon over mpls-linux.

Thanks & regards,
Sundeep.

[mpls-linux-general] Simulating PHP

[<ed...@ti...>]

Hi,
      i'm trying to simulate PHP on my network and i've a question for yo=
u:
my test is valid if i erase LSR the LSP  that link it to the LER and the
 label space that link it? (mplsadm2 -L eth1:-1)? Have i to erase only th=
e
LSP?
Thanks
P.S.: I know that PHP with MPLS for Linux is difficult to simulate  becau=
se
on it LSR makes a lookup before sending packets but my test is useful to
give an idea of this delivery way

__________________________________________________________________
Tiscali Adsl 2 Mega Free: naviga gratis tutto l'anno!
Supera tutti i limiti di velocita' con Tiscali Adsl 2 Mega Free.
Sei libero da costi fissi e, se ti abboni entro il 25 novembre,
navighi gratis fino al 31 dicembre 2004 e non paghi il costo di adesione.=

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[mpls-linux-general] help about to make session in mplsd

[asieh m. <amo...@ya...>]

hi all,
i have install zebra-0.94-1+ldp0.310.i386.rpm ,now
when
i run ./zebra and ./mplsd on two copmuters ,they work
correctly by only send hello messege to each other
,and there is no initioal message and keepalive
meesage and no sesstion is establish .
when i run ./zebra and ./mplsd i do these steps on two
computers  at mplsd deamon:
uml-1# con t
uml-1(config)# ex
uml-1# conf t
uml-1(config)# mpls ldp
uml-1(config-ldp)# trace all
uml-1(config-ldp)# ex
uml-1(config)# int eth0
uml-1(config-if)# mpls ldp
uml-1(config-if-ldp)

uml-1# show ldp
LSR-ID: 00000000 Admin State: ENABLED
Transport Address: 00000000
Control Mode: ORDERED   Repair Mode: GLOBAL
Propogate Release: TRUE Label Merge: TRUE
Retention Mode: LIBERAL Loop Detection Mode: NONE
TTL-less-domain: FALSE
Local TCP Port: 646     Local UDP Port: 646
Keep-alive Time: 45     Keep-alive Interval: 15
Hello Time: 15  Hello Interval: 5

now hello message are send but no initioal and
keepalive message is send .what i must do to send
these message and stublish a session.
best regards,
thanks



		
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[mpls-linux-general] Help on start

[murat <te...@ya...>]

Hi everybody.
I have installed Fedora core 2, kernel 2.6.5-1.358.
I want to run mpls-linux on 6 PCs. I have downloaded "kernel-sourcecode-2.6.8-1.521mpls_1_938a.src.rpm" and "mpls-linux 1.938" (everything). I made "rpm -ivh kernel-sourcecode-2.6.8-1.521mpls_1_938a.src.rpm".
All README or HOWTO pages explane how to patch and upgrade the kernel from a source file, not from an RPM. The same for the other files: iptabtes, iproute2, mplsadm2. The file types in the HOWTOs are .tar.bz2 or gz or whatever but here I only get RPMs. 
My question: What are the steps to install the packages listet on  Project: MPLS for Linux: File List    (mpls-linux 1.938)?  Please help even my questions maybe sound trivial. Thanks a lot in advance.

		
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Re: [mpls-linux-general] A smaller network for label stack example

[<ed...@ti...>]

Then i statically have to do both following instruction on WINDOWS

mplsadm2 -O 0x2 -o push:gen:200:set:eth0:ipv4:192.168.2.1
mplsadm2 -O 0x3 -o push:gen:300:set:eth0:ipv4:192.168.2.1
 
and after WINDOWS decides basing on source address if use NHLFE 0x2 or 0x=
3

Problem now is for TOSHIBA and PCLENTO1: seeing your example on them i've=

to set like ILM 200 and 300, it is strange for me







>-- Messaggio Originale --
>From: "James R. Leu" <jl...@mi...>
>To: ed...@ti...
>Cc: mpl...@li...
>Subject: Re: [mpls-linux-general] A smaller network for label stack exam=
ple
>Reply-To: jl...@mi...
>Date: Wed, 17 Nov 2004 11:29:29 -0600
>
>
>I've CC'ed the mpls-linux-general list
>
>On Wed, Nov 17, 2004 at 05:56:32PM +0100, ed...@ti... wrote:
>> If i've understood what you mean i have to do on WINDOWS (see the atta=
chment)
>> 
>>     iptable -A OUTPUT -s 2.2.2.2/32 -j MARK --set-mark=3D2
>>     iptable -A OUTPUT -s 3.3.3.3/32 -j MARK --set-mark=3D3
>> 
>> after
>> 
>>     mplsadm2 -A -O 0
>>     (key 0x2)
>>     mplsadm2 -A -O 0
>>     (key 0x3)
>>     mplsadm2 -A -O 0
>>     (key 0x4)
>> 
>>     ip route add 4.4.4.4/32 via 192.168.2.1 spec_nh 0x8847 0x4
>> 
>> then
>> mplsadm2 -O 0x4 -o nffwd:0xf:0x2:0x2:0x3:0x3
>
>Correct.
>
>> then (here is my big doubt)
>> 
>> when it receive traffic from S1 it gives
>> 
>> 
>>  mplsadm2 -O 0x2 -o push:gen:200:set:eth0:ipv4:192.168.2.1
>> 
>> when it receives from S2
>> 
>> 
>>  mplsadm2 -O 0x3 -o push:gen:300:set:eth0:ipv4:192.168.2.1
>> 
>> but how can make it be able to do this choice?
>> 
>> How it see the MARK 2 and 3?
>
>iptables sets the nfmark on the packet as it goes through the kernel.
>the MPLS instructions nffwd specifically looks at the value of the nfmar=
k
>and chooses an NHLFE.  The parameters to the nffwd instruction indicated=

>how to choose an NHLFE based on the nfmark.
>
>In the example above:
>
>0xf
>indicates that on the first 4 bits of the nfmark should be used
>(nfmark values 0 - 15)
>
>0x2:0x2
>if nfmark =3D=3D 0x2 then use NHLFE 0x2
>
>0x3:0x3
>if nfmark =3D=3D 0x3 then use NHLFE 0x3
>
>
>> This is not clear
>> 
>> -- Messaggio Originale --
>> >From: "James R. Leu" <jl...@mi...>
>> >To: ed...@ti...
>> >Cc: mpl...@li...
>> >Subject: Re: [mpls-linux-general] A smaller network for label stack
example
>> >Reply-To: jl...@mi...
>> >Date: Tue, 16 Nov 2004 11:54:30 -0600
>> >
>> >
>> >Lets look at the case where you want traffic from different hosts usi=
ng
>> >different LSPs:
>> >
>> >You use iptables to differentiate the traffic from the two different
hosts.
>> >
>> >    iptable -A OUTPUT -s 2.2.2.2/32 -j MARK --set-mark=3D2
>> >    iptable -A OUTPUT -s 3.3.3.3/32 -j MARK --set-mark=3D3
>> >
>> >You then need to make sure you have a route installed for the
>> >destination which points to a NHLFE:
>> >
>> >    ip route add 4.4.4.4/32 via 192.168.2.1 spec_nh 0x8847 0x4
>> >
>> >Where 0x4 is the key for a NHLFE which was created like this:
>> >
>> >    mplsadm2 -A -O 0
>> >    (key 0x2)
>> >    mplsadm2 -A -O 0
>> >    (key 0x3)
>> >    mplsadm2 -A -O 0
>> >    (key 0x4)
>> >    mplsadm2 -O 0x2 -o push:gen:200:set:eth0:ipv4:192.168.2.1
>> >    mplsadm2 -O 0x3 -o push:gen:300:set:eth0:ipv4:192.168.2.1
>> >    mplsadm2 -O 0x4 -o nffwd:0xf:0x2:0x2:0x3:0x3
>> >
>> >NOTE: the format of the nffwd command is '<mask>:<mark:nhlfe>:<mark:n=
hlfe>...'
>> >
>> >Explaination:
>> >
>> >Traffic arrives at the LER with source 2.2.2.2 and destination 4.4.4.=
4.
>> >Iptables looks at the source and 'marks' the packet with 0x2.
>> >(the mark is internal to the kernel, it is called a nfmark).  The pac=
ket
>> >continues through the IP stack.  At the point of exiting the IP stack=

>> >it is redirected to MPLS via the special nexthop 0x4.  In the MPLS st=
ack
>> >the NHLFE 0x4 looks to the nfmark on the packet and uses it to forwar=
d
>> >it to another NHLFE, if the nfmark is 0x2 the packet is further handl=
ed
>> >by NHLFE 0x2.  NHLFE 0x2 pushes and label and send that packet.
>> >
>> >If you would like to add another level of stacking you could do it tw=
o
>> >different ways.  Either have NHFLE 0x2 and 0x3 do multiple pushes or
you
>> >could have the fwd to another NHLFE which does a push and the final
set.
>> >The details of this are left as an excersise for the reader.
>> >
>> >
>> >On Tue, Nov 16, 2004 at 06:26:56PM +0100, ed...@ti... wrote:
>> >> Hi
>> >>  i'd like to set a label stack between PCLENTO1 and TOSHIBA (see th=
e
>> attachment)
>> >> After my test should be this: i receive on WINDOWS traffic from 2
host
>> >(that
>> >> represent 2 network) that is destinated to network
>> >>  linked with TOSHIBA and i would that, through my network packets
are
>> labelled
>> >>  basing on host it come from (packets from host A with a label, pac=
kets
>> >> from
>> >>  be with an other one). How can i do this?
>> >>  I've seen label stack example on mailing list and my answer is: in=
struction
>> >>  for r3 in the example is for PCLENTO1, those for R4 is for TOSHIBA=

>and
>> >> noone
>> >>  for R2 in the example, aren't they?
>> >>  Thanks a lots for all help you give me
>> >>
>> >> __________________________________________________________________
>> >> Tiscali Adsl 2 Mega Free: naviga gratis tutto l'anno!
>> >> Supera tutti i limiti di velocita' con Tiscali Adsl 2 Mega Free.
>> >> Sei libero da costi fissi e, se ti abboni entro il 25 novembre,
>> >> navighi gratis fino al 31 dicembre 2004 e non paghi il costo di ade=
sione.
>> >> http://abbonati.tiscali.it/adsl/
>> >>
>> >>
>> >>
>> >
>> >
>> >
>> >--
>> >James R. Leu
>> >jl...@mi...
>> >
>> >
>> >-------------------------------------------------------
>> >This SF.Net email is sponsored by: InterSystems CACHE
>> >FREE OODBMS DOWNLOAD - A multidimensional database that combines
>> >robust object and relational technologies, making it a perfect match
>> >for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8
>> >_______________________________________________
>> >mpls-linux-general mailing list
>> >mpl...@li...
>> >https://lists.sourceforge.net/lists/listinfo/mpls-linux-general
>> 
>> 
>> __________________________________________________________________
>> Tiscali Adsl 2 Mega Free: naviga gratis tutto l'anno!
>> Supera tutti i limiti di velocita' con Tiscali Adsl 2 Mega Free.
>> Sei libero da costi fissi e, se ti abboni entro il 25 novembre,
>> navighi gratis fino al 31 dicembre 2004 e non paghi il costo di adesio=
ne.
>> http://abbonati.tiscali.it/adsl/
>> 
>> 
>> 
>
>
>
>-- 
>James R. Leu
>jl...@mi...
>
>
>-------------------------------------------------------
>This SF.Net email is sponsored by: InterSystems CACHE
>FREE OODBMS DOWNLOAD - A multidimensional database that combines
>robust object and relational technologies, making it a perfect match
>for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8
>_______________________________________________
>mpls-linux-general mailing list
>mpl...@li...
>https://lists.sourceforge.net/lists/listinfo/mpls-linux-general


__________________________________________________________________
Tiscali Adsl 2 Mega Free: naviga gratis tutto l'anno!
Supera tutti i limiti di velocita' con Tiscali Adsl 2 Mega Free.
Sei libero da costi fissi e, se ti abboni entro il 25 novembre,
navighi gratis fino al 31 dicembre 2004 e non paghi il costo di adesione.=

http://abbonati.tiscali.it/adsl/

Re: [mpls-linux-general] A smaller network for label stack example

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

I've CC'ed the mpls-linux-general list

On Wed, Nov 17, 2004 at 05:56:32PM +0100, ed...@ti... wrote:
> If i've understood what you mean i have to do on WINDOWS (see the attachment)
> 
>     iptable -A OUTPUT -s 2.2.2.2/32 -j MARK --set-mark=2
>     iptable -A OUTPUT -s 3.3.3.3/32 -j MARK --set-mark=3
> 
> after
> 
>     mplsadm2 -A -O 0
>     (key 0x2)
>     mplsadm2 -A -O 0
>     (key 0x3)
>     mplsadm2 -A -O 0
>     (key 0x4)
> 
>     ip route add 4.4.4.4/32 via 192.168.2.1 spec_nh 0x8847 0x4
> 
> then
> mplsadm2 -O 0x4 -o nffwd:0xf:0x2:0x2:0x3:0x3

Correct.

> then (here is my big doubt)
> 
> when it receive traffic from S1 it gives
> 
> 
>  mplsadm2 -O 0x2 -o push:gen:200:set:eth0:ipv4:192.168.2.1
> 
> when it receives from S2
> 
> 
>  mplsadm2 -O 0x3 -o push:gen:300:set:eth0:ipv4:192.168.2.1
> 
> but how can make it be able to do this choice?
> 
> How it see the MARK 2 and 3?

iptables sets the nfmark on the packet as it goes through the kernel.
the MPLS instructions nffwd specifically looks at the value of the nfmark
and chooses an NHLFE.  The parameters to the nffwd instruction indicated
how to choose an NHLFE based on the nfmark.

In the example above:

0xf
indicates that on the first 4 bits of the nfmark should be used
(nfmark values 0 - 15)

0x2:0x2
if nfmark == 0x2 then use NHLFE 0x2

0x3:0x3
if nfmark == 0x3 then use NHLFE 0x3


> This is not clear
> 
> -- Messaggio Originale --
> >From: "James R. Leu" <jl...@mi...>
> >To: ed...@ti...
> >Cc: mpl...@li...
> >Subject: Re: [mpls-linux-general] A smaller network for label stack example
> >Reply-To: jl...@mi...
> >Date: Tue, 16 Nov 2004 11:54:30 -0600
> >
> >
> >Lets look at the case where you want traffic from different hosts using
> >different LSPs:
> >
> >You use iptables to differentiate the traffic from the two different hosts.
> >
> >    iptable -A OUTPUT -s 2.2.2.2/32 -j MARK --set-mark=2
> >    iptable -A OUTPUT -s 3.3.3.3/32 -j MARK --set-mark=3
> >
> >You then need to make sure you have a route installed for the
> >destination which points to a NHLFE:
> >
> >    ip route add 4.4.4.4/32 via 192.168.2.1 spec_nh 0x8847 0x4
> >
> >Where 0x4 is the key for a NHLFE which was created like this:
> >
> >    mplsadm2 -A -O 0
> >    (key 0x2)
> >    mplsadm2 -A -O 0
> >    (key 0x3)
> >    mplsadm2 -A -O 0
> >    (key 0x4)
> >    mplsadm2 -O 0x2 -o push:gen:200:set:eth0:ipv4:192.168.2.1
> >    mplsadm2 -O 0x3 -o push:gen:300:set:eth0:ipv4:192.168.2.1
> >    mplsadm2 -O 0x4 -o nffwd:0xf:0x2:0x2:0x3:0x3
> >
> >NOTE: the format of the nffwd command is '<mask>:<mark:nhlfe>:<mark:nhlfe>...'
> >
> >Explaination:
> >
> >Traffic arrives at the LER with source 2.2.2.2 and destination 4.4.4.4.
> >Iptables looks at the source and 'marks' the packet with 0x2.
> >(the mark is internal to the kernel, it is called a nfmark).  The packet
> >continues through the IP stack.  At the point of exiting the IP stack
> >it is redirected to MPLS via the special nexthop 0x4.  In the MPLS stack
> >the NHLFE 0x4 looks to the nfmark on the packet and uses it to forward
> >it to another NHLFE, if the nfmark is 0x2 the packet is further handled
> >by NHLFE 0x2.  NHLFE 0x2 pushes and label and send that packet.
> >
> >If you would like to add another level of stacking you could do it two
> >different ways.  Either have NHFLE 0x2 and 0x3 do multiple pushes or you
> >could have the fwd to another NHLFE which does a push and the final set.
> >The details of this are left as an excersise for the reader.
> >
> >
> >On Tue, Nov 16, 2004 at 06:26:56PM +0100, ed...@ti... wrote:
> >> Hi
> >>  i'd like to set a label stack between PCLENTO1 and TOSHIBA (see the
> attachment)
> >> After my test should be this: i receive on WINDOWS traffic from 2 host
> >(that
> >> represent 2 network) that is destinated to network
> >>  linked with TOSHIBA and i would that, through my network packets are
> labelled
> >>  basing on host it come from (packets from host A with a label, packets
> >> from
> >>  be with an other one). How can i do this?
> >>  I've seen label stack example on mailing list and my answer is: instruction
> >>  for r3 in the example is for PCLENTO1, those for R4 is for TOSHIBA and
> >> noone
> >>  for R2 in the example, aren't they?
> >>  Thanks a lots for all help you give me
> >>
> >> __________________________________________________________________
> >> Tiscali Adsl 2 Mega Free: naviga gratis tutto l'anno!
> >> Supera tutti i limiti di velocita' con Tiscali Adsl 2 Mega Free.
> >> Sei libero da costi fissi e, se ti abboni entro il 25 novembre,
> >> navighi gratis fino al 31 dicembre 2004 e non paghi il costo di adesione.
> >> http://abbonati.tiscali.it/adsl/
> >>
> >>
> >>
> >
> >
> >
> >--
> >James R. Leu
> >jl...@mi...
> >
> >
> >-------------------------------------------------------
> >This SF.Net email is sponsored by: InterSystems CACHE
> >FREE OODBMS DOWNLOAD - A multidimensional database that combines
> >robust object and relational technologies, making it a perfect match
> >for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8
> >_______________________________________________
> >mpls-linux-general mailing list
> >mpl...@li...
> >https://lists.sourceforge.net/lists/listinfo/mpls-linux-general
> 
> 
> __________________________________________________________________
> Tiscali Adsl 2 Mega Free: naviga gratis tutto l'anno!
> Supera tutti i limiti di velocita' con Tiscali Adsl 2 Mega Free.
> Sei libero da costi fissi e, se ti abboni entro il 25 novembre,
> navighi gratis fino al 31 dicembre 2004 e non paghi il costo di adesione.
> http://abbonati.tiscali.it/adsl/
> 
> 
> 



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

Re: [mpls-linux-general] A smaller network for label stack example

[<ed...@ti...>]

>-- Messaggio Originale --
>From: "James R. Leu" <jl...@mi...>
I've seen that there is a mail on the mailing list that explain how MPLS
for Linux works but i don't remember which it is. I'm going to revisit ma=
iling
list to find it
>To: ed...@ti...
>Cc: mpl...@li...
>Subject: Re: [mpls-linux-general] A smaller network for label stack exam=
ple
>Reply-To: jl...@mi...
>Date: Wed, 17 Nov 2004 08:20:21 -0600
>
>
>On Wed, Nov 17, 2004 at 11:13:49AM +0100, ed...@ti... wrote:
>> Many questions for you James, please answer me:
>> 1) when i pass from MPLS to IP i've seen that label space stay already=

>setted,
>> how can i remove this setting? (i've tryed mplsadm2 -D -L eth0:0 witho=
ut
>> success)
>
>mplsadm2 -L eth0:-1
>
>> 2) I've test PHP way, seeing settings of LER (in the last example WIND=
OWS)
>> i've seen that it has already ILM setted, can this setting invalid my
test
>> in any way (if i'm right the link between the last LSR and the LER in
PHP
>> way must be all IP, isn't it?)
>
>mpls-linux does not do proper PHP.  Proper PHP would result in a LSR for=
warding
>an unlabeled IP packet without doing a IP lookup.  mpls-linux will alway=
s
>do an IP lookup on unlabeled packet.
>
>> 3) You have told me that "At the point of exiting the IP stack it is
redirected
>> to MPLS via the special nexthop 0x4." what dooes it mean? NHLFE is an
entry
>> in /mpls/out  table, can you explain me better?
>
>I think the best way for you to understand what that means is to read th=
e
>code.
>Start looing in linux/net/ipv4/route.c look in the function called
>rt_set_nexthop().  See how it calls spec_nh->func() in the case of MPLS
>spec_nh->func() is mpls_set_nexthop() which can be found in
>linux/net/mpls/mpls_output.c.  Notice how mpls_set_nexthop sets dst->chi=
ld?
>Now go look at linux/net/ipv4/ip_output.c  Look for the function
>ip_finish_output2().  Notice what happens is dst->child is set?
>In the case of MPLS dst_output() calls mpls_output() which can be
>found in linux/net/mpls/mpls_output.c
>
>> I'd like to send packets from different source to the same destination=

>trough
>> my MPLS network, if i've understtod your explanation you set an LSP wi=
th
>> 0X2 NHLFE and an other opne with 0X3, These LSP originate from the sou=
rce
>> of traffic to the LER, after you forward these packets trought LSP 0x4=
.
>> In my intention source and destination of packets are IP hosts, label
stack
>> in my idea is made by one from the I-LER to the E-LER and one that exp=
lain
>> which hosts has generated traffic forwarded.
>
>The example I sent you does exactly that.  IP packets from 2 different
hosts
>get sent on different LSPs destined for the same host.
>
>> Can you help me?
>> 
>> 
>> 
>> 
>> 
>> 
>> >-- Messaggio Originale --
>> >From: "James R. Leu" <jl...@mi...>
>> >To: ed...@ti...
>> >Cc: mpl...@li...
>> >Subject: Re: [mpls-linux-general] A smaller network for label stack
example
>> >Reply-To: jl...@mi...
>> >Date: Tue, 16 Nov 2004 11:54:30 -0600
>> >
>> >
>> >Lets look at the case where you want traffic from different hosts usi=
ng
>> >different LSPs:
>> >
>> >You use iptables to differentiate the traffic from the two different
hosts.
>> >
>> >    iptable -A OUTPUT -s 2.2.2.2/32 -j MARK --set-mark=3D2
>> >    iptable -A OUTPUT -s 3.3.3.3/32 -j MARK --set-mark=3D3
>> >
>> >You then need to make sure you have a route installed for the
>> >destination which points to a NHLFE:
>> >
>> >    ip route add 4.4.4.4/32 via 192.168.2.1 spec_nh 0x8847 0x4
>> >
>> >Where 0x4 is the key for a NHLFE which was created like this:
>> >
>> >    mplsadm2 -A -O 0
>> >    (key 0x2)
>> >    mplsadm2 -A -O 0
>> >    (key 0x3)
>> >    mplsadm2 -A -O 0
>> >    (key 0x4)
>> >    mplsadm2 -O 0x2 -o push:gen:200:set:eth0:ipv4:192.168.2.1
>> >    mplsadm2 -O 0x3 -o push:gen:300:set:eth0:ipv4:192.168.2.1
>> >    mplsadm2 -O 0x4 -o nffwd:0xf:0x2:0x2:0x3:0x3
>> >
>> >NOTE: the format of the nffwd command is '<mask>:<mark:nhlfe>:<mark:n=
hlfe>...'
>> >
>> >Explaination:
>> >
>> >Traffic arrives at the LER with source 2.2.2.2 and destination 4.4.4.=
4.
>> >Iptables looks at the source and 'marks' the packet with 0x2.
>> >(the mark is internal to the kernel, it is called a nfmark).  The pac=
ket
>> >continues through the IP stack.  At the point of exiting the IP stack=

>> >it is redirected to MPLS via the special nexthop 0x4.  In the MPLS st=
ack
>> >the NHLFE 0x4 looks to the nfmark on the packet and uses it to forwar=
d
>> >it to another NHLFE, if the nfmark is 0x2 the packet is further handl=
ed
>> >by NHLFE 0x2.  NHLFE 0x2 pushes and label and send that packet.
>> >
>> >If you would like to add another level of stacking you could do it tw=
o
>> >different ways.  Either have NHFLE 0x2 and 0x3 do multiple pushes or
you
>> >could have the fwd to another NHLFE which does a push and the final
set.
>> >The details of this are left as an excersise for the reader.
>> >
>> >
>> >On Tue, Nov 16, 2004 at 06:26:56PM +0100, ed...@ti... wrote:
>> >> Hi
>> >>  i'd like to set a label stack between PCLENTO1 and TOSHIBA (see th=
e
>> attachment)
>> >> After my test should be this: i receive on WINDOWS traffic from 2
host
>> >(that
>> >> represent 2 network) that is destinated to network
>> >>  linked with TOSHIBA and i would that, through my network packets
are
>> labelled
>> >>  basing on host it come from (packets from host A with a label, pac=
kets
>> >> from
>> >>  be with an other one). How can i do this?
>> >>  I've seen label stack example on mailing list and my answer is: in=
struction
>> >>  for r3 in the example is for PCLENTO1, those for R4 is for TOSHIBA=

>and
>> >> noone
>> >>  for R2 in the example, aren't they?
>> >>  Thanks a lots for all help you give me
>> >> 
>> >> __________________________________________________________________
>> >> Tiscali Adsl 2 Mega Free: naviga gratis tutto l'anno!
>> >> Supera tutti i limiti di velocita' con Tiscali Adsl 2 Mega Free.
>> >> Sei libero da costi fissi e, se ti abboni entro il 25 novembre,
>> >> navighi gratis fino al 31 dicembre 2004 e non paghi il costo di ade=
sione.
>> >> http://abbonati.tiscali.it/adsl/
>> >> 
>> >> 
>> >> 
>> >
>> >
>> >
>> >-- 
>> >James R. Leu
>> >jl...@mi...
>> >
>> >
>> >-------------------------------------------------------
>> >This SF.Net email is sponsored by: InterSystems CACHE
>> >FREE OODBMS DOWNLOAD - A multidimensional database that combines
>> >robust object and relational technologies, making it a perfect match
>> >for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8
>> >_______________________________________________
>> >mpls-linux-general mailing list
>> >mpl...@li...
>> >https://lists.sourceforge.net/lists/listinfo/mpls-linux-general
>> 
>> 
>> __________________________________________________________________
>> Tiscali Adsl 2 Mega Free: naviga gratis tutto l'anno!
>> Supera tutti i limiti di velocita' con Tiscali Adsl 2 Mega Free.
>> Sei libero da costi fissi e, se ti abboni entro il 25 novembre,
>> navighi gratis fino al 31 dicembre 2004 e non paghi il costo di adesio=
ne.
>> http://abbonati.tiscali.it/adsl/
>> 
>> 
>> 
>
>-- 
>James R. Leu
>jl...@mi...
>
>
>-------------------------------------------------------
>This SF.Net email is sponsored by: InterSystems CACHE
>FREE OODBMS DOWNLOAD - A multidimensional database that combines
>robust object and relational technologies, making it a perfect match
>for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8
>_______________________________________________
>mpls-linux-general mailing list
>mpl...@li...
>https://lists.sourceforge.net/lists/listinfo/mpls-linux-general


__________________________________________________________________
Tiscali Adsl 2 Mega Free: naviga gratis tutto l'anno!
Supera tutti i limiti di velocita' con Tiscali Adsl 2 Mega Free.
Sei libero da costi fissi e, se ti abboni entro il 25 novembre,
navighi gratis fino al 31 dicembre 2004 e non paghi il costo di adesione.=

http://abbonati.tiscali.it/adsl/

Re: [mpls-linux-general] A smaller network for label stack example

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

On Wed, Nov 17, 2004 at 11:13:49AM +0100, ed...@ti... wrote:
> Many questions for you James, please answer me:
> 1) when i pass from MPLS to IP i've seen that label space stay already setted,
> how can i remove this setting? (i've tryed mplsadm2 -D -L eth0:0 without
> success)

mplsadm2 -L eth0:-1

> 2) I've test PHP way, seeing settings of LER (in the last example WINDOWS)
> i've seen that it has already ILM setted, can this setting invalid my test
> in any way (if i'm right the link between the last LSR and the LER in PHP
> way must be all IP, isn't it?)

mpls-linux does not do proper PHP.  Proper PHP would result in a LSR forwarding
an unlabeled IP packet without doing a IP lookup.  mpls-linux will always
do an IP lookup on unlabeled packet.

> 3) You have told me that "At the point of exiting the IP stack it is redirected
> to MPLS via the special nexthop 0x4." what dooes it mean? NHLFE is an entry
> in /mpls/out  table, can you explain me better?

I think the best way for you to understand what that means is to read the code.
Start looing in linux/net/ipv4/route.c look in the function called
rt_set_nexthop().  See how it calls spec_nh->func() in the case of MPLS
spec_nh->func() is mpls_set_nexthop() which can be found in
linux/net/mpls/mpls_output.c.  Notice how mpls_set_nexthop sets dst->child?
Now go look at linux/net/ipv4/ip_output.c  Look for the function
ip_finish_output2().  Notice what happens is dst->child is set?
In the case of MPLS dst_output() calls mpls_output() which can be
found in linux/net/mpls/mpls_output.c

> I'd like to send packets from different source to the same destination trough
> my MPLS network, if i've understtod your explanation you set an LSP with
> 0X2 NHLFE and an other opne with 0X3, These LSP originate from the source
> of traffic to the LER, after you forward these packets trought LSP 0x4.
> In my intention source and destination of packets are IP hosts, label stack
> in my idea is made by one from the I-LER to the E-LER and one that explain
> which hosts has generated traffic forwarded.

The example I sent you does exactly that.  IP packets from 2 different hosts
get sent on different LSPs destined for the same host.

> Can you help me?
> 
> 
> 
> 
> 
> 
> >-- Messaggio Originale --
> >From: "James R. Leu" <jl...@mi...>
> >To: ed...@ti...
> >Cc: mpl...@li...
> >Subject: Re: [mpls-linux-general] A smaller network for label stack example
> >Reply-To: jl...@mi...
> >Date: Tue, 16 Nov 2004 11:54:30 -0600
> >
> >
> >Lets look at the case where you want traffic from different hosts using
> >different LSPs:
> >
> >You use iptables to differentiate the traffic from the two different hosts.
> >
> >    iptable -A OUTPUT -s 2.2.2.2/32 -j MARK --set-mark=2
> >    iptable -A OUTPUT -s 3.3.3.3/32 -j MARK --set-mark=3
> >
> >You then need to make sure you have a route installed for the
> >destination which points to a NHLFE:
> >
> >    ip route add 4.4.4.4/32 via 192.168.2.1 spec_nh 0x8847 0x4
> >
> >Where 0x4 is the key for a NHLFE which was created like this:
> >
> >    mplsadm2 -A -O 0
> >    (key 0x2)
> >    mplsadm2 -A -O 0
> >    (key 0x3)
> >    mplsadm2 -A -O 0
> >    (key 0x4)
> >    mplsadm2 -O 0x2 -o push:gen:200:set:eth0:ipv4:192.168.2.1
> >    mplsadm2 -O 0x3 -o push:gen:300:set:eth0:ipv4:192.168.2.1
> >    mplsadm2 -O 0x4 -o nffwd:0xf:0x2:0x2:0x3:0x3
> >
> >NOTE: the format of the nffwd command is '<mask>:<mark:nhlfe>:<mark:nhlfe>...'
> >
> >Explaination:
> >
> >Traffic arrives at the LER with source 2.2.2.2 and destination 4.4.4.4.
> >Iptables looks at the source and 'marks' the packet with 0x2.
> >(the mark is internal to the kernel, it is called a nfmark).  The packet
> >continues through the IP stack.  At the point of exiting the IP stack
> >it is redirected to MPLS via the special nexthop 0x4.  In the MPLS stack
> >the NHLFE 0x4 looks to the nfmark on the packet and uses it to forward
> >it to another NHLFE, if the nfmark is 0x2 the packet is further handled
> >by NHLFE 0x2.  NHLFE 0x2 pushes and label and send that packet.
> >
> >If you would like to add another level of stacking you could do it two
> >different ways.  Either have NHFLE 0x2 and 0x3 do multiple pushes or you
> >could have the fwd to another NHLFE which does a push and the final set.
> >The details of this are left as an excersise for the reader.
> >
> >
> >On Tue, Nov 16, 2004 at 06:26:56PM +0100, ed...@ti... wrote:
> >> Hi
> >>  i'd like to set a label stack between PCLENTO1 and TOSHIBA (see the
> attachment)
> >> After my test should be this: i receive on WINDOWS traffic from 2 host
> >(that
> >> represent 2 network) that is destinated to network
> >>  linked with TOSHIBA and i would that, through my network packets are
> labelled
> >>  basing on host it come from (packets from host A with a label, packets
> >> from
> >>  be with an other one). How can i do this?
> >>  I've seen label stack example on mailing list and my answer is: instruction
> >>  for r3 in the example is for PCLENTO1, those for R4 is for TOSHIBA and
> >> noone
> >>  for R2 in the example, aren't they?
> >>  Thanks a lots for all help you give me
> >> 
> >> __________________________________________________________________
> >> Tiscali Adsl 2 Mega Free: naviga gratis tutto l'anno!
> >> Supera tutti i limiti di velocita' con Tiscali Adsl 2 Mega Free.
> >> Sei libero da costi fissi e, se ti abboni entro il 25 novembre,
> >> navighi gratis fino al 31 dicembre 2004 e non paghi il costo di adesione.
> >> http://abbonati.tiscali.it/adsl/
> >> 
> >> 
> >> 
> >
> >
> >
> >-- 
> >James R. Leu
> >jl...@mi...
> >
> >
> >-------------------------------------------------------
> >This SF.Net email is sponsored by: InterSystems CACHE
> >FREE OODBMS DOWNLOAD - A multidimensional database that combines
> >robust object and relational technologies, making it a perfect match
> >for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8
> >_______________________________________________
> >mpls-linux-general mailing list
> >mpl...@li...
> >https://lists.sourceforge.net/lists/listinfo/mpls-linux-general
> 
> 
> __________________________________________________________________
> Tiscali Adsl 2 Mega Free: naviga gratis tutto l'anno!
> Supera tutti i limiti di velocita' con Tiscali Adsl 2 Mega Free.
> Sei libero da costi fissi e, se ti abboni entro il 25 novembre,
> navighi gratis fino al 31 dicembre 2004 e non paghi il costo di adesione.
> http://abbonati.tiscali.it/adsl/
> 
> 
> 

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

Re: [mpls-linux-general] A smaller network for label stack example

[<ed...@ti...>]

Many questions for you James, please answer me:
1) when i pass from MPLS to IP i've seen that label space stay already se=
tted,
how can i remove this setting? (i've tryed mplsadm2 -D -L eth0:0 without
success)
2) I've test PHP way, seeing settings of LER (in the last example WINDOWS=
)
i've seen that it has already ILM setted, can this setting invalid my tes=
t
in any way (if i'm right the link between the last LSR and the LER in PHP=

way must be all IP, isn't it?)
3) You have told me that "At the point of exiting the IP stack it is redi=
rected
to MPLS via the special nexthop 0x4." what dooes it mean? NHLFE is an ent=
ry
in /mpls/out  table, can you explain me better?
I'd like to send packets from different source to the same destination tr=
ough
my MPLS network, if i've understtod your explanation you set an LSP with
0X2 NHLFE and an other opne with 0X3, These LSP originate from the source=

of traffic to the LER, after you forward these packets trought LSP 0x4.
In my intention source and destination of packets are IP hosts, label sta=
ck
in my idea is made by one from the I-LER to the E-LER and one that explai=
n
which hosts has generated traffic forwarded.
Can you help me?






>-- Messaggio Originale --
>From: "James R. Leu" <jl...@mi...>
>To: ed...@ti...
>Cc: mpl...@li...
>Subject: Re: [mpls-linux-general] A smaller network for label stack exam=
ple
>Reply-To: jl...@mi...
>Date: Tue, 16 Nov 2004 11:54:30 -0600
>
>
>Lets look at the case where you want traffic from different hosts using
>different LSPs:
>
>You use iptables to differentiate the traffic from the two different hos=
ts.
>
>    iptable -A OUTPUT -s 2.2.2.2/32 -j MARK --set-mark=3D2
>    iptable -A OUTPUT -s 3.3.3.3/32 -j MARK --set-mark=3D3
>
>You then need to make sure you have a route installed for the
>destination which points to a NHLFE:
>
>    ip route add 4.4.4.4/32 via 192.168.2.1 spec_nh 0x8847 0x4
>
>Where 0x4 is the key for a NHLFE which was created like this:
>
>    mplsadm2 -A -O 0
>    (key 0x2)
>    mplsadm2 -A -O 0
>    (key 0x3)
>    mplsadm2 -A -O 0
>    (key 0x4)
>    mplsadm2 -O 0x2 -o push:gen:200:set:eth0:ipv4:192.168.2.1
>    mplsadm2 -O 0x3 -o push:gen:300:set:eth0:ipv4:192.168.2.1
>    mplsadm2 -O 0x4 -o nffwd:0xf:0x2:0x2:0x3:0x3
>
>NOTE: the format of the nffwd command is '<mask>:<mark:nhlfe>:<mark:nhlf=
e>...'
>
>Explaination:
>
>Traffic arrives at the LER with source 2.2.2.2 and destination 4.4.4.4.
>Iptables looks at the source and 'marks' the packet with 0x2.
>(the mark is internal to the kernel, it is called a nfmark).  The packet=

>continues through the IP stack.  At the point of exiting the IP stack
>it is redirected to MPLS via the special nexthop 0x4.  In the MPLS stack=

>the NHLFE 0x4 looks to the nfmark on the packet and uses it to forward
>it to another NHLFE, if the nfmark is 0x2 the packet is further handled
>by NHLFE 0x2.  NHLFE 0x2 pushes and label and send that packet.
>
>If you would like to add another level of stacking you could do it two
>different ways.  Either have NHFLE 0x2 and 0x3 do multiple pushes or you=

>could have the fwd to another NHLFE which does a push and the final set.=

>The details of this are left as an excersise for the reader.
>
>
>On Tue, Nov 16, 2004 at 06:26:56PM +0100, ed...@ti... wrote:
>> Hi
>>  i'd like to set a label stack between PCLENTO1 and TOSHIBA (see the
attachment)
>> After my test should be this: i receive on WINDOWS traffic from 2 host=

>(that
>> represent 2 network) that is destinated to network
>>  linked with TOSHIBA and i would that, through my network packets are
labelled
>>  basing on host it come from (packets from host A with a label, packet=
s
>> from
>>  be with an other one). How can i do this?
>>  I've seen label stack example on mailing list and my answer is: instr=
uction
>>  for r3 in the example is for PCLENTO1, those for R4 is for TOSHIBA an=
d
>> noone
>>  for R2 in the example, aren't they?
>>  Thanks a lots for all help you give me
>> 
>> __________________________________________________________________
>> Tiscali Adsl 2 Mega Free: naviga gratis tutto l'anno!
>> Supera tutti i limiti di velocita' con Tiscali Adsl 2 Mega Free.
>> Sei libero da costi fissi e, se ti abboni entro il 25 novembre,
>> navighi gratis fino al 31 dicembre 2004 e non paghi il costo di adesio=
ne.
>> http://abbonati.tiscali.it/adsl/
>> 
>> 
>> 
>
>
>
>-- 
>James R. Leu
>jl...@mi...
>
>
>-------------------------------------------------------
>This SF.Net email is sponsored by: InterSystems CACHE
>FREE OODBMS DOWNLOAD - A multidimensional database that combines
>robust object and relational technologies, making it a perfect match
>for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8
>_______________________________________________
>mpls-linux-general mailing list
>mpl...@li...
>https://lists.sourceforge.net/lists/listinfo/mpls-linux-general


__________________________________________________________________
Tiscali Adsl 2 Mega Free: naviga gratis tutto l'anno!
Supera tutti i limiti di velocita' con Tiscali Adsl 2 Mega Free.
Sei libero da costi fissi e, se ti abboni entro il 25 novembre,
navighi gratis fino al 31 dicembre 2004 e non paghi il costo di adesione.=

http://abbonati.tiscali.it/adsl/

Re: [mpls-linux-general] A smaller network for label stack example

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

Lets look at the case where you want traffic from different hosts using
different LSPs:

You use iptables to differentiate the traffic from the two different hosts.

    iptable -A OUTPUT -s 2.2.2.2/32 -j MARK --set-mark=2
    iptable -A OUTPUT -s 3.3.3.3/32 -j MARK --set-mark=3

You then need to make sure you have a route installed for the
destination which points to a NHLFE:

    ip route add 4.4.4.4/32 via 192.168.2.1 spec_nh 0x8847 0x4

Where 0x4 is the key for a NHLFE which was created like this:

    mplsadm2 -A -O 0
    (key 0x2)
    mplsadm2 -A -O 0
    (key 0x3)
    mplsadm2 -A -O 0
    (key 0x4)
    mplsadm2 -O 0x2 -o push:gen:200:set:eth0:ipv4:192.168.2.1
    mplsadm2 -O 0x3 -o push:gen:300:set:eth0:ipv4:192.168.2.1
    mplsadm2 -O 0x4 -o nffwd:0xf:0x2:0x2:0x3:0x3

NOTE: the format of the nffwd command is '<mask>:<mark:nhlfe>:<mark:nhlfe>...'

Explaination:

Traffic arrives at the LER with source 2.2.2.2 and destination 4.4.4.4.
Iptables looks at the source and 'marks' the packet with 0x2.
(the mark is internal to the kernel, it is called a nfmark).  The packet
continues through the IP stack.  At the point of exiting the IP stack
it is redirected to MPLS via the special nexthop 0x4.  In the MPLS stack
the NHLFE 0x4 looks to the nfmark on the packet and uses it to forward
it to another NHLFE, if the nfmark is 0x2 the packet is further handled
by NHLFE 0x2.  NHLFE 0x2 pushes and label and send that packet.

If you would like to add another level of stacking you could do it two
different ways.  Either have NHFLE 0x2 and 0x3 do multiple pushes or you
could have the fwd to another NHLFE which does a push and the final set.
The details of this are left as an excersise for the reader.


On Tue, Nov 16, 2004 at 06:26:56PM +0100, ed...@ti... wrote:
> Hi
>  i'd like to set a label stack between PCLENTO1 and TOSHIBA (see the attachment)
> After my test should be this: i receive on WINDOWS traffic from 2 host (that
> represent 2 network) that is destinated to network
>  linked with TOSHIBA and i would that, through my network packets are labelled
>  basing on host it come from (packets from host A with a label, packets
> from
>  be with an other one). How can i do this?
>  I've seen label stack example on mailing list and my answer is: instruction
>  for r3 in the example is for PCLENTO1, those for R4 is for TOSHIBA and
> noone
>  for R2 in the example, aren't they?
>  Thanks a lots for all help you give me
> 
> __________________________________________________________________
> Tiscali Adsl 2 Mega Free: naviga gratis tutto l'anno!
> Supera tutti i limiti di velocita' con Tiscali Adsl 2 Mega Free.
> Sei libero da costi fissi e, se ti abboni entro il 25 novembre,
> navighi gratis fino al 31 dicembre 2004 e non paghi il costo di adesione.
> http://abbonati.tiscali.it/adsl/
> 
> 
> 



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

[mpls-linux-general] A smaller network for label stack example

[<ed...@ti...>]

Hi  
 i'd like to set a label stack between PCLENTO1 and TOSHIBA (see the atta=
chment)
After my test should be this: i receive on WINDOWS traffic from 2 host (t=
hat
represent 2 network) that is destinated to network
 linked with TOSHIBA and i would that, through my network packets are lab=
elled
 basing on host it come from (packets from host A with a label, packets
from
 be with an other one). How can i do this?
 I've seen label stack example on mailing list and my answer is: instruct=
ion
 for r3 in the example is for PCLENTO1, those for R4 is for TOSHIBA and
noone
 for R2 in the example, aren't they?
 Thanks a lots for all help you give me

__________________________________________________________________
Tiscali Adsl 2 Mega Free: naviga gratis tutto l'anno!
Supera tutti i limiti di velocita' con Tiscali Adsl 2 Mega Free.
Sei libero da costi fissi e, se ti abboni entro il 25 novembre,
navighi gratis fino al 31 dicembre 2004 e non paghi il costo di adesione.=

http://abbonati.tiscali.it/adsl/

Re: [mpls-linux-general] ftp and MPLS

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

Is the LSP bi-directional?  What is your 'core' MTU?  It's probably due to
TCP MSS issues, try setting your MTU lower (like 1490) on the host initiating
and terminating the FTP session and see if that helps

On Tue, Nov 16, 2004 at 03:13:59PM +0100, ed...@ti... wrote:
> Hi,
>     i'm trying to transer files between an IP host and an MPLS one. IO've
> seen that when MPLS is on i can't use ftp, scp or similar. Can you help
> me? My settings is showed in  the easyest example on mailing list 
> Thanks in advance for the help
> 
> __________________________________________________________________
> Tiscali Adsl 2 Mega Free: naviga gratis tutto l'anno!
> Supera tutti i limiti di velocita' con Tiscali Adsl 2 Mega Free.
> Sei libero da costi fissi e, se ti abboni entro il 25 novembre,
> navighi gratis fino al 31 dicembre 2004 e non paghi il costo di adesione.
> http://abbonati.tiscali.it/adsl/
> 
> 
> 
> 
> 
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-- 
James R. Leu
jl...@mi...