[c-nsp] VPLS over Tunnels

Wed Aug 8 09:47:48 EDT 2007

Hi Alaerte,

To make it work you should configure a pw-class with 
"preferred-path TunnelX" and then to bind it to a particular neighbour 
ie  "neighbor 2.2.2.2 pw-class XXX"

Another thing to know is that since 12.2SR BGP based VPLS Autodiscovery is
supported which makes config a lot simpler.

VPLS Autodiscovery enables each Virtual Private LAN Service (VPLS) provider
edge (PE) router to discover which other PE routers are part of the same
VPLS domain. VPLS Autodiscovery also automatically detects when PE routers
are added to or removed from the VPLS domain. You no longer need to manually
configure the VPLS and maintain the configuration when a PE router is added
or deleted. VPLS Autodiscovery uses the Border Gateway Protocol (BGP) to
discover the VPLS members and to set up and tear down pseudowires in the
VPLS.

Regards,
Jeff

> -----Original Message-----
> From: cisco-nsp-bounces at puck.nether.net [mailto:cisco-nsp-
> bounces at puck.nether.net] On Behalf Of alaerte.vidali at nsn.com
> Sent: woensdag 8 augustus 2007 14:24
> To: oboehmer at cisco.com; masood at nexlinx.net.pk; cisco-nsp at puck.nether.net
> Subject: Re: [c-nsp] VPLS over Tunnels
> 
> Hi Oli,
> 
> I am looking for exactly that, if possible send specific PW over
> specific paths. That is, doc discussing relation between PWs and TE in
> VPLS environments.
> 
> For example, suppose customer has 4 sites (CE-a1, CE-a2, CE-a3, CE-a4)
> using VPLS backbone with 4 PEs (PE1, PE2, PE3 and PE4). I am looking if
> possible to influence the PW paths between CE-a1 to CE-a2, CE-a1 to
> CE-a3 and so on.
> 
> As I understand it, TE could provide transparent services VPLS, as it
> does for MPLS L3 VPN. That is, if the following configuration is used in
> PE1:
> 
> L2 vfi PE1_to_other Pes manual
>  vpn id 200
>  neighbor 2.2.2.2 encapsulation mpls
>  neighbor 3.3.3.3 encapsulation mpls
> !
> Int loop 0
>  ip ad 1.1.1.1 255.255.255.255
> 
> The path used to send PW to neighbor 2.2.2.2 could be defined by the TE
> implemented.
> 
> I am after potential drawbacks of using VPLS and TE at the same time
> (bugs, platform restrictions, limitations...)
> 
> Tks,
> Alaerte
> 
> 
> -----Original Message-----
> From: ext Oliver Boehmer (oboehmer) [mailto:oboehmer at cisco.com]
> Sent: Wednesday, August 08, 2007 7:37 AM
> To: Vidali Alaerte (NSN - BR/Rio de Janeiro); masood at nexlinx.net.pk;
> cisco-nsp at puck.nether.net
> Subject: RE: [c-nsp] VPLS over Tunnels
> 
> Well, I'm not sure what you're after. There could be the concern to send
> specific PW over specific paths (i.e. using Tunnel selection within a
> VFI), this is available in some recent releases (think 12.2SRA,
> configured just like AToM tunnel selection). Other than this, I can't
> really think of anything.. do you have something in mind?
> 
> 	oli
> 
> alaerte.vidali at nsn.com <> wrote on Tuesday, August 07, 2007 10:19 PM:
> 
> > Hi,
> >
> > Thanks for the feedback.
> >
> > I am aware that VPLS will take advantage of any feature implemented in
> 
> > MPLS Backbone, like TE and Fast Reroute.
> >
> > I would like to see doc discussing advanced topics like interaction
> > with TE, impact of Fast Reroute in end nodes when using VPLS,
> > bandwidth available between end nodes...
> >
> >
> > Br,
> > Alaerte
> >
> > -----Original Message-----
> > From: ext Masood Ahmad Shah [mailto:masood at nexlinx.net.pk]
> > Sent: Tuesday, August 07, 2007 4:54 PM
> > To: Vidali Alaerte (NSN - BR/Rio de Janeiro);
> > cisco-nsp at puck.nether.net Subject: RE: [c-nsp] VPLS over Tunnels
> >
> > VPLS uses edge routers that can learn, bridge and replicate on a VPN
> > basis.
> > These routers are connected by a full mesh of tunnels, enabling
> > any-to-any connectivity.
> >
> > Here's the URL...
> >
> >
> http://www.cisco.com/en/US/products/ps6648/products_ios_protocol_option_
> > home
> > .html
> >
> >
> > Regards,
> > Masood Ahmad Shah
> > BLOG: http://www.weblogs.com.pk/jahil/
> >
> >
> >
> > -----Original Message-----
> > From: cisco-nsp-bounces at puck.nether.net
> > [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
> > alaerte.vidali at nsn.com
> > Sent: Wednesday, August 08, 2007 12:34 AM
> > To: cisco-nsp at puck.nether.net
> > Subject: [c-nsp] VPLS over Tunnels
> >
> >  Hello,
> >
> > Trying to find some doc about implementing VPLS over TE Tunnels.
> >
> > Something similar to "Implementing MPLS VPN over TE Tunnels"
> >
> http://www.cisco.com/en/US/tech/tk436/tk428/technologies_tech_note09186a
> > 0080125b01.shtml
> >
> > Tks
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