Re: [mpls-linux-general] How can I know MPLS work?

[Jordan H. <jo...@br...>]

yu-xiao jia wrote:
> Hi James,
> 
> I have setup a small MPLS domain in our lab for testing the implementation 
> using your mpls-linux.
>             /---LSR1---\
> Host1--- LER1           LER2 --- Host2
>             \---LSR2---/
> 
> I have two question:
> 1. Since Tcpdump and Ethereal can not see the label, How can I know the 
> packet forward is based on IP or MPLS. I mean how can I know whether MPLS 
> work or not even though I setup the label using mplsadm in each router.

Ethereal supports MPLS.  Just expand on one of the captures packets and
the MPLS shim should be right there.

> thanks in advance,
> looking forward to you reply,
> 
> Jenny (yuxiao)
> 


Cheers,

Jordan.

-- 
Jordan Husney  jo...@br...  http://www.remotepoint.com/~jordanh/

o Those who are too smart to engage in politics are punished by being
  governed by those who are dumber.
    - Plato (427-347 BC)