The MPLS-OPS Archive

["Gopal@Yahoo" <gnaganab@yahoo.com>]

Where is net-a?


       |----pb----pn-----\
pa-----|                  ==net-a
       |----pc----pn-----/

> can i have the Label for traffic from pa to pb as
> 111 and from pa to pc as
> 111?

Yes.

The long answer is: It is possible that both pb, pc
adv. 111 for net-a to pa. So, Pa will use 111 for both
paths, pb-pn-neta and pc-pn-neta

rgds,
gopal


--- alok <alok.dube@apara.com> wrote:
> its
> 
> pa--------pb
>       |
>      +-----pc
> 
> 
> all in the same LAN, not pa-pb-pc as u put it,
> 
> this is one broadcast domain on an ethernet switch.
> 
> can i have the Label for traffic from pa to pb as
> 111 and from pa to pc as
> 111?
> 
> all are P routers....
> 
> hope that clarifies the question
> 
> 
> ----- Original Message -----
> From: Gopal@Yahoo <gnaganab@yahoo.com>
> To: alok <alok.dube@apara.com>
> Cc: <mpls-ops@mplsrc.com>
> Sent: Tuesday, December 10, 2002 11:44 PM
> Subject: Re: [MPLS-OPS]: Labels per link...
> 
> 
> >
> > --- alok <alok.dube@apara.com> wrote:
> > >
> > > > --- alok <alok.dube@apara.com> wrote:
> > > > > Hi All
> > > > >
> > > > > i need to know what is the standard
> > > implementation
> > > > > practice on labels for
> > > > > multipoint interfaces.
> > > > >
> > > > > If  i have an ethernet network between
> routers,
> > > P
> > > > > routers connected to
> > > > > multiple P via ethernet...
> > > > >
> > > > > is a label unique +ACI-per neighbour+ACI- or
> > > > > +ACI-per interface+ACI- in this case
> > > >
> > > > What is ACI?
> > > > In frame-mode, (local)Label is unique to a
> > > > router(LSR).
> > >
> > > Router or "interface"?
> >
> >
> > router. in frame mode.
> >
> > >
> > > >
> > > > >
> > > > > for example, P-a, P-b and P-c are on the
> same
> > > > > ethernet LAN
> > > > >
> > > > > can u have label 111 between P-a and P-b for
> > > egress
> > > > > trafficbetween a and b,
> > > > > and 111 between P-a and P-c for egress
> traffic
> > > > > between a and c?
> > > >
> > > > Yes.
> > > >
> > > > If router-A is the Egress for a prefix, net-A
> and
> > > if
> > > > local label for Net-A is 111. Then rtr-A adv
> 111
> > > to
> > > > both rtr-b and rtr-c.
> > > >
> > > > Then, both rtr-b and rtr-c will have 111 as
> the
> > > > out-label for the prefix, net-A.
> > >
> > > nope, you are mixing up.. im not talking abotu
> NET-A
> > > im talking about P-P-P
> > > router interaction...
> > >
> > > i have a LAN with 3 P routers on it..
> > >
> > > can i have Label -111 for traffic from P-A to
> P-C
> > > and the same label 111 for
> > > traffic from P-A to P-B?
> > >
> > > is that implementation allowed?
> >
> > Sorry., i didn't get it. how many LSPs? just one?
> what
> > is P-A to P-A?
> > Where is NEt-a?
> >
> > p1--p2--p3---pn---egress--net-a
> >
> > Then all p1, p2, p3 can have 111 as the local
> label.
> > no prob.
> >
> > >
> >
> >
> > __________________________________________________
> > Do you Yahoo!?
> > Yahoo! Mail Plus - Powerful. Affordable. Sign up
> now.
> > http://mailplus.yahoo.com
> >
> 


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