Re: [mpls-linux-general] Use of set-exp

[Julien C. <jul...@aq...>]

yes but in a LSR how can setup priority between a paquet exp 1 and 6 ?

James R. Leu wrote:

>mpls ilm add label gen 16 labelspace 0 instructions pop exp2tc 0x0 0x10 0x1 0x11 0x2 0x12 0x3 0x13 0x4 0x14 0x5 0x15 0x6 0x16 0x7 0x17 peek
>
>(again I don't have access to my test machines so the above command is untested)
>
>The above example maps each EXP value to a TC value which is 0x10 more.
>You can choose to only map certain EXP and you can choose whatever TC values
>you want.
>
>BTW the 'mpls' command does have 'usage' output if you just type 'mpls'
>by itself.  If the output is difficult to understand, please suggest changes.
>
>On Thu, May 19, 2005 at 12:58:33PM +0200, Julien Cayssol wrote:
>  
>
>>Julien Cayssol wrote:
>>
>>    
>>
>>>James R. Leu wrote:
>>>
>>>      
>>>
>>>>On Wed, May 18, 2005 at 03:55:42PM +0200, jul...@aq... wrote:
>>>>
>>>>
>>>>        
>>>>
>>>>>Hello,
>>>>>
>>>>>The search function on sourceforge for the mailing-list doesn't 
>>>>>works so i post
>>>>>my question.
>>>>>
>>>>>With the command "mpls" you can specify the exp field.
>>>>>
>>>>>I don't understand what you must specify to make it work ?
>>>>>does any body have an example ?
>>>>> 
>>>>>          
>>>>>
>>>>It must be before the push instruction, for example:
>>>>
>>>>  mpls nhlfe add key 0 instructions set-exp 0x2 push gen 16 nexthop 
>>>>eth0 ipv4 1.1.1.1
>>>>
>>>>I don't have access to my test boxes right now, so I can't confirm the
>>>>actual command above works.
>>>>
>>>>What commands have you tried?  What is the resulting MPLS kernel debug
>>>>that you get?
>>>>
>>>>
>>>>        
>>>>
>>>i've try somes commandes but only with a "change key", the exp field 
>>>is use for classe services,
>>>
>>>Is it possible to map it with TC ?
>>>
>>>were can we use exp next ?
>>>      
>>>
>>Helo,
>>
>>With iptable we set an exp to  a paquet mpls, on the nexthop an exp a 
>>6(dm) is faster than a exp 0(best effort).
>>but when we simulate traffic there are no differents.
>>
>>We must use tc ? can i have somes informations, were to search, on the 
>>mailing liste a don't find a lot of informations.
>>
>>thanks.
>>
>>    
>>
>>>>        
>>>>
>>>>>Thanks a lot.
>>>>>
>>>>>
>>>>>-- 
>>>>>Julien CAYSSOL
>>>>>INSA de LYON                  -=-      D?partement Telecom Services 
>>>>>et Usages
>>>>>http://www.aqwz.com/                                    T?l : +33 
>>>>>664 973 067
>>>>>
>>>>>
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>>>>>          
>>>>>
>>>>
>>>>
>>>>        
>>>>
>>>      
>>>
>>-- 
>>---
>>
>>Julien Cayssol
>>http://www.aqwz.com
>>Mobile : 33 664 973 067
>>    
>>
>
>  
>


-- 
---

Julien Cayssol
http://www.aqwz.com
Mobile : 33 664 973 067