From: Ivan (ivan@iip.net)
Date: Thu Nov 02 2006 - 06:22:14 ART
priority keyword used in DR-BDR network to increase or decrease probability DR
selection. On R1 You use p2mp. In this network DR/BDR-selection is not
required. Set ospf network type to non-broadcast and all will good.
On Wednesday 01 November 2006 23:57, Alexei Monastyrnyi wrote:
> It doesn't really help, Ivan...
>
> Same OSPF message without broadcast for FR maps.
>
> Ivan wrote:
> > 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@yahoo.com>
> >>> To: <alexeim@orcsoftware.com>; <ccielab@groupstudy.com>
> >>> 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@orcsoftware.com> 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.
> >>>>>
> >>>>>
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-- Ivan
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