Re: [mpls-linux-general] IPV6 over MPLS

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

On Mon, Oct 01, 2001 at 05:17:47PM +0000, Vino Thomas wrote:
> Hello,
> 
> My requirement is to connect to isolated IPV6 network over an existing
> IPV4/MPLS network. 
> 
> IPV6 Cloud ---- Linux --- MPLS/IPV4 cloud ----- Linux ---- IPV6 Cloud
> 
> What is the best way out? What type of translation is suitable for this
> scenario (6to4/6over4/6in4 etc)?

ow did you plan to create the LSP across the ipv4 cloud?  Do you need to run
routing across this link?

For this application I think an MPLS tunnel interface is would do what you need.

> Regards,
> Vino.
> 
> On Sun, 30 Sep 2001, James R. Leu wrote:
> 
> > On Sat, Sep 29, 2001 at 07:14:42PM +0000, Vino Thomas wrote:
> > > Hello,
> > > 
> > > Does Linux has support for IPV6 over MPLS?
> > 
> > Glad you asked (sorry for the delay in responding to you) :-)
> > 
> > #1 If you are trying to LSR activity (only labl swap) the yes :-)
> > #2 If you want to use MPLS tunnel interface, then yes.
> > #3 If you do not want to use MPLS tunnel interfaces and want to have specific
> >   entries in the IPv6 routing table sent traffic on a particular LSP then no,
> >   but it would be too hard to add.
> > 
> > #1 is obvious, label swapping is layer 3 agnostic
> > #2 is a little obscure, and I haven't tested it, but it should work.
> >    -create a MPLS tunnel interface
> >    -ifconfig it up (without an address)
> >    -add a ipv6 route that has a nexthop of the mpls tunnel
> >     (just an outgoing interface no next hop ip)
> > #3 requires that some how ipv6 route entries are marked with which LSP
> >    they should sent traffic on.  Everywhere a ipv6 route lookup is done
> >    then needs to  check for this MPLS data.
> > 
> > #2 should get you up and sending ipv6 data on LSPs
> > #3 will take more work, but needs to be done at some point
> > 
> > I hope this gets the gears moving.  We can go into more details as you
> > ask more questions.
> > 
> > Jim
> > 
> > 
> > > 
> > > Regards,
> > > Vino
> > > 
> > > 
> > > 
> > > 
> > > 
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> > 
> > -- 
> > James R. Leu
> > 
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> > 
> 
> 
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-- 
James R. Leu