From: Robert Massiache (robert2140@hotmail.com)
Date: Mon Nov 18 2002 - 01:07:10 GMT-3
R2 has to be 'multipoint' no doubt on that part.... On the spoke R3 we can
disable the DR election by saying ospf pri as 0 leaving the hub as the only
DR.
Is there any restriction in using the 'neighbor' command under router ospf?
staticaly mapping the ospf neighbours.
thanks
>From: Nate Kleven <cciemail@intellinet.ws>
>Reply-To: Nate Kleven <cciemail@intellinet.ws>
>To: "'Robert Massiache'" <robert2140@hotmail.com>, ccielab@groupstudy.com
>Subject: RE: OSPF On NBMA with a twist - A Correction
>Date: Sun, 17 Nov 2002 18:39:53 -0800
>
>The only problem with that is that R3 will then default to a NON-BROADCAST
>network type, requiring a DR. Since we can't use the IP OSPF NETWORK
>command on R3, there is nothing that can be done to change that. R2 has to
>be configured as a MULTIPOINT, so it will not partipate in the DR election.
>
>
>I tried it that way, the routers appear to form an adjaceny, however they
>do
>not exchange LSA's.
>
>__________
>
>Nate Kleven
>
>
>-----Original Message-----
>From: Robert Massiache [mailto:robert2140@hotmail.com]
>Sent: Sunday, November 17, 2002 6:02 PM
>To: ccielab@groupstudy.com
>Subject: RE: OSPF On NBMA with a twist - A Correction
>
>
>Hi,
>I got another idea instead of changing the timers we can create a
>multipoint
>
>subinterface on R3. I found this on one of the IPexpert labs.
>
>It seems there is no harm in creating one of the spoke as point-mult
>interface. The hub remains as the p-to-m interface.
>
>thanks
>Robert M
>
>
>
>
>
> >From: Nate Kleven <cciemail@intellinet.ws>
> >Reply-To: Nate Kleven <cciemail@intellinet.ws>
> >To: "'Robert Massiache'" <robert2140@hotmail.com>,
> >Kevin.Tang@telecom.co.nz, Jennifer_bellucci@hotmail.com,
> >namaste@pacbell.net, Nate Kleven <cciemail@intellinet.ws>,
> >CCIElab@groupstudy.com
> >Subject: RE: OSPF On NBMA with a twist - A Correction
> >Date: Sun, 17 Nov 2002 16:51:32 -0800
> >
> >You also need to change the "IP OSPF HELLO-INTERVAL" on r3 to 30
> >seconds to match multipoint networks.
> >
> >__________
> >
> >Nate Kleven
> >
> >
> >-----Original Message-----
> >From: Robert Massiache [mailto:robert2140@hotmail.com]
> >Sent: Sunday, November 17, 2002 4:48 PM
> >To: Kevin.Tang@telecom.co.nz; Jennifer_bellucci@hotmail.com;
> >namaste@pacbell.net; cciemail@intellinet.ws; CCIElab@groupstudy.com
> >Subject: RE: OSPF On NBMA with a twist - A Correction
> >
> >
> >I am sorry I wish a small correction has to be made to my previous
> >posting. I give the corected one here.
> >
> >On R2 create a point-to-multipoint subinterface.
> >On R3 create a point-to-point subinterface.
> >On R4 being a physical interface use the command 'ip ospf network
> >point-to-point' on the interface.
> >
> >Make the R2 as DR by using the command "ip ospf pri 0" on R3 and R4
> >
> >
> >thanks
> >Robert M
> >CCIE #10583
> >
> >
> >
> >
> >
> >
> >
> >
> >
> > >From: "Kevin Tang" <Kevin.Tang@telecom.co.nz>
> > >Reply-To: "Kevin Tang" <Kevin.Tang@telecom.co.nz>
> > >To: "Jennifer Bellucci" <Jennifer_bellucci@hotmail.com>, eric
> > ><namaste@pacbell.net>, "Nate Kleven" <cciemail@intellinet.ws>,
> > >CCIElab@groupstudy.com
> > >Subject: RE: OSPF On NBMA with a twist
> > >Date: Sun, 17 Nov 2002 21:09:44 +1300
> > >
> > >Also you need add local policy routing in R3 and R4. Because you are
> > >using OSPF multi-access network, (not point-to-point or
> > >point-to-multipoint
> > >network) and the frame-switch network is not full-mesh network. R3
> > >and R4 talk to each other have to via R2.
> > >
> > >
> > >-----Original Message-----
> > >From: Jennifer Bellucci [mailto:Jennifer_bellucci@hotmail.com]
> > >Sent: Sun 17/11/2002 11:22 a.m.
> > >To: eric; Nate Kleven; CCIElab@groupstudy.com
> > >Cc:
> > >Subject: Re: OSPF On NBMA with a twist
> > >
> > >
> > >
> > > insert neighbour command under ospf and don't forget to turn of ip
> >split
> > > where needed
> > > ----- Original Message -----
> > > From: "eric" <namaste@pacbell.net>
> > > To: "Nate Kleven" <cciemail@intellinet.ws>; <CCIElab@groupstudy.com>
> > > Sent: Saturday, November 16, 2002 9:31 PM
> > > Subject: RE: OSPF On NBMA with a twist
> > >
> > >
> > > > You have 2 issues to address here take a look at the timers on the
> >diff.
> > > > interfaces and then address any DR issues that might come up.
> > > >
> > > > ~e
> > > >
> > > > -----Original Message-----
> > > > From: nobody@groupstudy.com [mailto:nobody@groupstudy.com]On
> >Behalf Of
> > > > Nate Kleven
> > > > Sent: Saturday, November 16, 2002 12:33 PM
> > > > To: 'CCIElab@groupstudy.com'
> > > > Subject: OSPF On NBMA with a twist
> > > >
> > > >
> > > > R2
> > > > / \
> > > > / \
> > > > / \
> > > > R4 R3
> > > >
> > > > Hub and Spoke Topology
> > > > R2 Has a PVC to R4 and R3
> > > >
> > > > - R2/R3/R4 Share the 10.10.10.0/27 Network
> > > > - R4 Must be configured using a Physical Interface
> > > > - R3 & R2 Must be configured using Sub-interfaces
> > > > - R2's Serial Subinterface must be configured as a multipoint
> >interface,
> > > not
> > > > a Non-broadcast.
> > > > - You may not use the "IP OSPF NETWORK" command on R3
> > > >
> > > > I have not been able to get this working and meet all th
> >requirements.
> > > > Anyone out there seen this before?
> > > >
> > > >
> > > > Thanks in advance.
> > > >
> > > >
> > > > Nate
> > >
> > >
> > >
> > >
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This archive was generated by hypermail 2.1.4 : Tue Dec 03 2002 - 07:23:04 GMT-3