Unfortunately it is elsewhere .... for the moment
This is weird because the Router doesnt seem to have any PVC with others
peers .... since the peers are on another subnet :)
R6#sh frame map
Serial0/0/0 (up): ip 54.1.3.254 dlci 51(0x33,0xC30), dynamic,
broadcast,, status defined, active
Serial0/0/0 (up): ip 54.1.2.254 dlci 100(0x64,0x1840), dynamic,
broadcast,, status defined, active
Serial0/0/0 (up): ip 54.1.1.254 dlci 101(0x65,0x1850), dynamic,
broadcast,, status defined, active
2010/9/22 Marko Milivojevic <[email protected]>
> It depends on the cloud... Is this on ProctorLabs or elsewhere? I can
> only comment on how ProctorLabs is configured - other FR switches may
> have or may not have direct spoke-to-spoke PVCs.
>
> Generally, unless there is a direct PVC between spokes, yes, they
> cannot resolve each other's IPs using inverse ARP. If there is a
> direct PVC, then they can, of course.
>
> --
> Marko Milivojevic - CCIE #18427
> Senior Technical Instructor - IPexpert
>
> FREE CCIE training: http://bit.ly/vLecture
>
> Mailto: [email protected]
> Telephone: +1.810.326.1444
> Web: http://www.ipexpert.com/
>
> On Wed, Sep 22, 2010 at 23:17, Nicolas MICHEL <[email protected]>
> wrote:
> > Marko
> >
> > I have read in some notes that :
> >
> > "Spokes cannot resolve each other via InARP, because the endpoints dont
> have
> > L2 circuits between them"
> >
> > I guess that is wrong and that Spokes can resolve each other since they
> are
> > on different subnet.
> >
> >
> > In short, if InARP is enabled in my cloud , my DTE will got all the DLCI
> in
> > his show frame pvc | i DLCI right ?
> >
> >
> >
> >
> >
> >
> >
> > 2010/9/22 Marko Milivojevic <[email protected]>
> >>
> >> Nicolas,
> >>
> >> FR switch DOES NOT participate in inverse ARP processes. Only
> >> end-nodes (FR DTE devices) do. Your router sent a "question" on all
> >> DLCIs asking routers to tell it what are their IPs. They obliged and
> >> you got that information. They don't have to be on the same subnet, as
> >> inverse ARP is unaware of subnets. It just reports what it hears.
> >>
> >> --
> >> Marko Milivojevic - CCIE #18427
> >> Senior Technical Instructor - IPexpert
> >>
> >> FREE CCIE training: http://bit.ly/vLecture
> >>
> >> Mailto: [email protected]
> >> Telephone: +1.810.326.1444
> >> Web: http://www.ipexpert.com/
> >>
> >> On Wed, Sep 22, 2010 at 20:44, Nicolas MICHEL <[email protected]>
> >> wrote:
> >> > Ok I dont really know what's behind or within the cloud .
> >> >
> >> > So it would mean that some other routers would advertise their DLCI
> via
> >> > INARP to some FRSWITCH and that FRSWITCH is sending me the results
> hence
> >> > the
> >> > fact that I got several DLCI and maps from Others subnets ?
> >> >
> >> >
> >> > I thought that I would only see informations about "connected" host
> >> > within
> >> > the FR cloud
> >> >
> >> >
> >> >
> >> > Thanks for the help
> >> >
> >> > 2010/9/22 Jay Taylor <[email protected]>
> >> >>
> >> >> Inverse ARP will do that when multiple DLCI's are advertised to the
> >> >> DCE.
> >> >>
> >> >>
> >> >> On Wed, Sep 22, 2010 at 2:31 PM, Nicolas MICHEL <
> [email protected]>
> >> >> wrote:
> >> >>>
> >> >>> Hey there.
> >> >>>
> >> >>> I got a router connected to a FR cloud and here is the config on the
> >> >>> router
> >> >>>
> >> >>> R6#sh run int s0/0/0
> >> >>> Building configuration...
> >> >>>
> >> >>> Current configuration : 119 bytes
> >> >>> !
> >> >>> interface Serial0/0/0
> >> >>> ip address 54.1.1.6 255.255.255.0
> >> >>> encapsulation frame-relay
> >> >>> frame-relay lmi-type cisco
> >> >>> end
> >> >>>
> >> >>>
> >> >>>
> >> >>> Cant be simpler can it be ? :D
> >> >>>
> >> >>>
> >> >>> I d like to understand why do I got frame map and LMI DLCI from
> >> >>> subnets
> >> >>> that are not DIRECTLY connected to my interface
> >> >>>
> >> >>> R6#sh frame pvc | i DLCI
> >> >>> DLCI = 51, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE =
> >> >>> Serial0/0/0
> >> >>> DLCI = 100, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE =
> >> >>> Serial0/0/0
> >> >>> DLCI = 101, DLCI USAGE = LOCAL, PVC STATUS = ACTIVE, INTERFACE =
> >> >>> Serial0/0/0
> >> >>> DLCI = 201, DLCI USAGE = UNUSED, PVC STATUS = ACTIVE, INTERFACE =
> >> >>> Serial0/0/0
> >> >>> DLCI = 301, DLCI USAGE = UNUSED, PVC STATUS = ACTIVE, INTERFACE =
> >> >>> Serial0/0/0
> >> >>> DLCI = 401, DLCI USAGE = UNUSED, PVC STATUS = ACTIVE, INTERFACE =
> >> >>> Serial0/0/0
> >> >>>
> >> >>> $R6#sh frame map
> >> >>> Serial0/0/0 (up): ip 54.1.3.254 dlci 51(0x33,0xC30), dynamic,
> >> >>> broadcast,, status defined, active
> >> >>> Serial0/0/0 (up): ip 54.1.2.254 dlci 100(0x64,0x1840), dynamic,
> >> >>> broadcast,, status defined, active
> >> >>> Serial0/0/0 (up): ip 54.1.1.254 dlci 101(0x65,0x1850), dynamic,
> >> >>> broadcast,, status defined, active
> >> >>>
> >> >>>
> >> >>> Seeking the informations in books and will post if I find
> >> >>> --
> >> >>> Nicolas MICHEL
> >> >>> Ingenieur Réseaux et Securité (CCNA/CCNP and CCIE Pending)
> >> >>> Centre d’Expertise et d’Assistance Clients
> >> >>> Spie communication
> >> >>> Tél : +33 (0)141464924
> >> >>> Mob: +33 (0)608727597
> >> >>>
> >> >>>
> >> >>>
> >> >>>
> >> >>>
> >> >>> _______________________________________________
> >> >>> For more information regarding industry leading CCIE Lab training,
> >> >>> please
> >> >>> visit www.ipexpert.com
> >> >>>
> >> >>
> >> >
> >> >
> >> >
> >> > --
> >> > Nicolas MICHEL
> >> > Ingenieur Réseaux et Securité (CCNA/CCNP and CCIE Pending)
> >> > Centre d’Expertise et d’Assistance Clients
> >> > Spie communication
> >> > Tél : +33 (0)141464924
> >> > Mob: +33 (0)608727597
> >> >
> >> >
> >> >
> >> >
> >> >
> >> > _______________________________________________
> >> > For more information regarding industry leading CCIE Lab training,
> >> > please
> >> > visit www.ipexpert.com
> >> >
> >> >
> >
> >
> >
> > --
> > Nicolas MICHEL
> > Ingenieur Réseaux et Securité (CCNA/CCNP and CCIE Pending)
> > Centre d’Expertise et d’Assistance Clients
> > Spie communication
> > Tél : +33 (0)141464924
> > Mob: +33 (0)608727597
> >
> >
> >
> >
> >
>
--
Nicolas MICHEL
Ingenieur Réseaux et Securité (CCNA/CCNP and CCIE Pending)
Centre d’Expertise et d’Assistance Clients
Spie communication
Tél : +33 (0)141464924
Mob: +33 (0)608727597
_______________________________________________
For more information regarding industry leading CCIE Lab training, please visit
www.ipexpert.com
