Re: [mpls-linux-general] Why does it need to MPLS patch for linux..?

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

On Mon, Mar 31, 2008 at 02:13:09PM +0900, =?EUC-KR?B?wOXB1sDPIDxoZWlraWZtQG5hdmVyLmNvbT4=?= wrote:
> Hello
>  
> I have a basic question.
>  
> In order to network in MPLS environment using Linux, 
> why should I patch the linux kernel for MPLS networking?

There kernel handle MPLS packet switching.

> In original linux kernel, why cannot network in MPLS environment?
>  
> Does not MPLS enabled router process all MPLS processing about networking?

The kernel only handles packet switching, userland processes implement
the signaling protocols (LDP RSVP-TE), just like IPv4 packet forwarding
is implemented in the kernel, but userland processes implement the
routing protocols (OSPF BGP etc).

> For the MPLS network, what does linux kernel do?
>  
> Sorry for my bad english, thanks for any help in advance.

You might want to read some introductory information at http://mplsrc.com/

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