Couldn't L2-VPN based on draft-kompella work instead
of CCC also in this case?
---- Guy Davies <Guy.Davies@telindus.co.uk> wrote:
>
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> Hi Sophia
>
> > -----Original Message-----
> > From: Sophia Lei [mailto:sophialeii@yahoo.com]
> > Sent: Wednesday, February 13, 2002 5:24 PM
> > To: Guy Davies; 'dave o'leary'; juniper-
nsp@puck.nether.net
> > Subject: RE: [j-nsp] two VPN sites and CCC
> >
> >
> > > Hi Sophia,
> > >
> > > Other L2 VPN technologies should also do the
trick
> > > (e.g. martini,
> > > l2vpn and gre, as mentioned by Dave). Since
CCC is
> > > not based on a
> > > standard, it is likely to be available only on
> > > networks using Juniper
> > > at the edge. CCC has recently had some
interesting
> > > new capabilities
> > > added which allow it to connect diverse
> > > encapsulations (e.g. ATM to
> > > FR or PPP to FR but, unfortunately, not yet
> > > including Enet).
> > >
> >
> > Hello,
> >
> > "First, thank you for all your help."
> >
> > That's good to hear. When you
mention "recently...
> > new capability added...", do you mean in JUNOS
latest
> > 5.2 code?
>
> Yes. It's in 5.2.
>
> > I just read through the release note and it
> > says "Layer 2 VPN interwokring for PPP, HDLC..."
but
> > it also
> > mentions "Enables you to configure encapsulation
for
> > transmitting IPv4."
> >
> > Does that mean I cannot transmit my IPX traffic
using
> > the Layer 2 VPN interwokring capability - i.e. one
> > side of my link is ppp and the other is F/R for
my IPX
> > traffic?
>
> That's correct. It's a feature of the l2vpn draft
> (http://www.ietf.org/internet-drafts/draft-kompella-
ppvpn-l2vpn-01.txt
> ) rather than a feature/failing of Juniper's
implementation. :-)
>
> > > Martini and l2vpn are limited to similar
> > > encapsulations at both ends
> > > of the VPN (the l2vpn draft does provide for
> > > interworking of
> > > differing encapsulations so long as you only
want to
> > > carry IP but
> > > that doesn't meet your requirements).
> > >
> >
> > This sounds the answer for the above question
is "NO
> > for my IPX traffic. But if my two links are
same, I
> > can use Martini or l2vpn for my IPX traffic,
right?
>
> Yes. For similar encapsulations, the L3 protocol
is irrelevant.
> Unfortunately, for the interworking, the L3
protocol must be IP.
>
> > The CCC recently added interworking solution
probably
> > is the best even it is not the standard, right?
Or it
> > is just part of l2vpn solution for doing
> > encapsulation.
>
> Well. I don't know if the CCC interworking
solution would support
> IPX either. I haven't had any customers asking to
do IPX over L2
> VPNs (in general, rather than l2vpn specifically)
before and the
> interworking is so new that I can't say I've tried
it.
>
> > Thank you very much.
>
> You're welcome.
>
> Regards,
>
> Guy
>
> > Sophia
> > /IT
> >
> > > Hope that helps.
> > >
> > > Guy
> > >
> > > > -----Original Message-----
> > > > From: dave o'leary
[mailto:doleary@juniper.net]
> > > > Sent: Wednesday, February 13, 2002 3:56 PM
> > > > To: Sophia Lei; juniper-nsp@puck.nether.net
> > > > Subject: Re: [j-nsp] two VPN sites and CCC
> > > >
> > > >
> > > > At 02:18 AM 2/13/2002 -0500, Sophia Lei wrote:
> > > > >Hello,
> > > > >
> > > > > >From documentation, it seems CCC
supporting L2
> > > frame
> > > > >transport over MPLS. Can I transport IPX
traffic
> > > > >through my SP's MPLS+CCC network for my VPN
> > > sites?
> > > > >I think it can as L2+IPX is just a L2 frame,
> > > right?
> > > >
> > > > Correct.
> > > >
> > > > >Any other way to do it if my SP don't do CCC?
> > > >
> > > > Switch service providers? :-)
> > > >
> > > > Something like GRE tunneling on the CPE
routers
> > > could also be used.
> > > >
> > >
>
> > > dave
> > > >
> > >
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> > >
> > >
> >
> >
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