GroupStudy.com GroupStudy.com - A virtual community of network engineers
 Home  BookStore  StudyNotes  Links  Archives  StudyRooms  HelpWanted  Discounts  Login
Re: "point to multipoint non-broadcast" mode posted 11/01/2006
[Chronological Index] [Thread Index] [Top] [Date Prev][Date Next] [Thread Prev][Thread Next]


remove "broadcast" keyword from mapping frame-relay

On Wednesday 01 November 2006 19:23, Alexei Monastyrnyi wrote:
> Has it been checked?
>
> After setting FR interface of HUB router in p2mp non-broadcast and
> trying to apply priority per SPOKE neighbor I got
>
> R1(config-router)#nei 1.1.125.5 priority 5
> OSPF: Poll and priority option are allowed only for NBMA network
>
> R1(config-router)#do sh run in ser 0/0 | in inter|ip|ospf|frame
> interface Serial0/0
>  description ---> DLCI 102 103 104 105 106 <---
>  ip address 1.1.125.1 255.255.255.0
>  encapsulation frame-relay
>  ip ospf network point-to-multipoint non-broadcast
>  ip ospf priority 255
>  frame-relay map ip 1.1.125.5 105 broadcast
>  frame-relay map ip 1.1.125.1 105
>  frame-relay map ip 1.1.125.2 102 broadcast
>  no frame-relay inverse-arp
>
> Joe Chang wrote:
> > BTW, I think p2mp nonbroadcast is the method by which to weight the
> > individual links, by specifying the cost on the neighbor statements.
> >
> > ----- Original Message -----
> > From: "Adhu Ajit" <adhu_ajit@xxxxxxxxx>
> > To: <alexeim@xxxxxxxxxxxxxxx>; <ccielab@xxxxxxxxxxxxxx>
> > Sent: Tuesday, October 31, 2006 7:41 PM
> > Subject: Re: "point to multipoint non-broadcast" mode
> >
> >> Alexei, point to multipoint does not require neighbor statements.
> >> However,
> >
> > "point to multipoint non-broadcast" (which is one of the 3 Cisco defines
> > modes) requires neighbor statements. But it does not form DR/BDR
> > relationships, like you have pointed out. That's the reason I'm totally
> > confused.
> >
> >>   (This mode and its details are qouted in the Cisco BSCI 2.0 course
> >
> > material)
> >
> >>   Adhu.
> >>
> >>
> >> Alexei Monastyrnyi <alexeim@xxxxxxxxxxxxxxx> wrote:
> >>   In a nutshell, it gives you no DR-BDR relationships with unicast LSA
> >> flooding etc (since non-broadcast will require to have a neighbor on one
> >> side. Normal p2mp would utilize AllOSPFrouters multicast group for both
> >> hellos and LSA flooding. If I remember right...
> >>
> >> A.
> >>
> >> Adhu Ajit wrote:
> >>> Folks, I went through different books on this one but I still cant
> >
> > understand on when I should use this mode over the other modes such as:
> >>> NBMA (and or)
> >>> Point to Multipoint
> >>>
> >>> Can someone explain ?
> >>>
> >>> Thanks,
> >>> Sai.
> >>>
> >>>
> >>> ---------------------------------
> >>> Want to start your own business? Learn how on Yahoo! Small Business.
> >>>
> >>> _______________________________________________________________________
> >>> Subscription information may be found at:
> >>> http://www.groupstudy.com/list/CCIELab.html
> >>
> >> ---------------------------------
> >> Want to start your own business? Learn how on  Yahoo! Small Business.
> >>
> >> _______________________________________________________________________
> >> Subscription information may be found at:
> >> http://www.groupstudy.com/list/CCIELab.html
>
> _______________________________________________________________________
> Subscription information may be found at:
> http://www.groupstudy.com/list/CCIELab.html

-- 
Ivan