From: Alan Ewer (acewer64@gmail.com)
Date: Wed Dec 12 2007 - 18:53:27 ART
Hi guys..
Yes I disagree that its not required.. A neighbour command must be
configured somewhere, why not on the spokes ? Maybe a hole in my
understanding of OSPF NBMA but it shouldnt matter where the neighbour
command is as long as someone statrs the adjacency negotiation... all is
good ....correct ??
Regds
Alan E
Brisbane Australia
On Dec 13, 2007 6:07 AM, shiran guez <shiranp3@gmail.com> wrote:
> nice :-)
>
>
>
>
> On Dec 12, 2007 10:03 PM, George Goglidze <goglidze@gmail.com> wrote:
>
> > Hi Shiran,
> >
> > That is what happens until you restart your router!!! :)))
> >
> > try restart it with priority 0, and you'll see that after it comes up,
> > even if you change your priority the neighbor statement is not there any
> > more...
> >
> > Regards,
> >
> >
> >
> > On Dec 12, 2007 8:45 PM, shiran guez <shiranp3@gmail.com> wrote:
> >
> > > George
> > >
> > > try to set it up with the ip ospf prio 0 and the neigbor statement
> > > under the ospf process and then only remove the ip ospf prio 0, you will see
> > > that your neighbor statement is reappearing so it indicate that it is only
> > > hidden and not removed.
> > >
> > >
> > >
> > >
> > > On Dec 12, 2007 6:15 PM, George Goglidze <goglidze@gmail.com> wrote:
> > >
> > > > Hi there,
> > > >
> > > > It's not hidden, it's simply removed as it's not needed.
> > > >
> > > > when you have NBMA network and you set priority 0 on non-hub
> > > > routers.
> > > > the neighbor command is removed on next reload.
> > > >
> > > > I'm not sure, but I think this could be security against
> > > > misconfiguration,
> > > > so that you don't configure non-hub -to- non-hub neighbor.
> > > >
> > > > in NBMA mode you just configure neighbor on DR and BDR.
> > > >
> > > > that's the only neighborship you need anyway.
> > > >
> > > > Regards,
> > > >
> > > > On Dec 12, 2007 4:21 PM, shiran guez <shiranp3@gmail.com> wrote:
> > > >
> > > > > the command is hidden not gone, i do not think it is a bug but as
> > > > > I said
> > > > > before a issue of cosmetics.
> > > > >
> > > > > On Dec 12, 2007 4:40 PM, keith tokash < ktokash@hotmail.com >
> > > > > wrote:
> > > > >
> > > > > > Can you test if the command is hidden or simply gone? Easy way
> > > > > to do this
> > > > > > is to remove the neighbor command from the hub and see if the
> > > > > neighbors come
> > > > > > up.
> > > > > >
> > > > > > If there's a valid reason for this I want to know. If it's a
> > > > > bug, we may
> > > > > > hit it in the lab, and I also want to know. :)
> > > > > >
> > > > > > With a few exceptions, secrecy is deeply incompatible with
> > > > > democracy and
> > > > > > with science.
> > > > > > --Carl Sagan
> > > > > >
> > > > > > > Date: Wed, 12 Dec 2007 14:03:56 +0200
> > > > > > > From: shiranp3@gmail.com
> > > > > > > To: acewer64@gmail.com
> > > > > > > Subject: Re: OSPF Neighbour config wont stick in config ?
> > > > > > > CC: ccielab@groupstudy.com
> > > > > >
> > > > > > >
> > > > > > > well I would say that logically it doesn't make sense to put
> > > > > there in
> > > > > > the
> > > > > > > first place so the developers probably made it to be hidden
> > > > > when you put
> > > > > > the
> > > > > > > interface into prio 0
> > > > > > >
> > > > > > > if you will remove the ip os prio 0 you will see again your
> > > > > neighbor
> > > > > > > statement so it was not remove simply hidden to hint you that
> > > > > it is not
> > > > > > > needed, so it is just cosmetics.
> > > > > > >
> > > > > > > On Dec 12, 2007 1:01 PM, Alan Ewer < acewer64@gmail.com>
> > > > > wrote:
> > > > > > >
> > > > > > > > Hi Shiren,
> > > > > > > > yes i understand that the neighbour command can be on either
> > > > > location
> > > > > > (
> > > > > > > > but doesnt need to be on both)..
> > > > > > > >
> > > > > > > > My Question is
> > > > > > > > Why does setting ip ospf pri 0 .. remove the neighbour
> > > > > command from
> > > > > > the
> > > > > > > > ospf process configuration ??
> > > > > > > >
> > > > > > > >
> > > > > > > > Regds
> > > > > > > > Alan E
> > > > > > > >
> > > > > > > > On Dec 12, 2007 8:53 PM, shiran guez < shiranp3@gmail.com>
> > > > > wrote:
> > > > > > > >
> > > > > > > > > you do not need a neighbor statement on the spoke of the
> > > > > hub. only
> > > > > > on
> > > > > > > > > the hub.
> > > > > > > > >
> > > > > > > > > if you set ip ospf prio 0 this router will never become a
> > > > > DR or BDR
> > > > > > so
> > > > > > > > > no need to indicate where to unicast
> > > > > > > > >
> > > > > > > > > On Dec 12, 2007 12:38 PM, Alan Ewer < acewer64@gmail.com >
> > > > > wrote:
> > > > > > > > >
> > > > > > > > > > Hi All
> > > > > > > > > > I have been pondering this little brain teaser ??
> > > > > > > > > >
> > > > > > > > > > If I have a router configured with the following
> > > > > > > > > >
> > > > > > > > > > router ospf 1
> > > > > > > > > > router id 1.1.1.1
> > > > > > > > > > network 1.1.1.0 0.0.0.255 AREA 0
> > > > > > > > > > neighbour 1.1.1.2
> > > > > > > > > >
> > > > > > > > > > ok so far right !!
> > > > > > > > > >
> > > > > > > > > > Int ser 0/0
> > > > > > > > > > ip address 1.1.1.1 255.255.255.0
> > > > > > > > > > frame map bla bla bla
> > > > > > > > > > ip ospf prio 0
> > > > > > > > > >
> > > > > > > > > >
> > > > > > > > > > and bingo the neighbour command disappears from the OSPF
> > > > > router
> > > > > > config
> > > > > > > > > > ...
> > > > > > > > > > Anyone know why ???
> > > > > > > > > >
> > > > > > > > > > Regds
> > > > > > > > > > Alan E
> > > > > > > > > > Brisbane, Aust
> > > > > > > > > >
> > > > > > > > > >
> > > > > >
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> > > > > > > > > --
> > > > > > > > > Shiran Guez
> > > > > > > > > MCSE CCNP NCE1
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> > > > > > > >
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> > > > > > >
> > > > > > > --
> > > > > > > Shiran Guez
> > > > > > > MCSE CCNP NCE1
> > > > > > > http://cciep3.blogspot.com
> > > > > > > http://www.linkedin.com/in/cciep3
> > > > > > >
> > > > > > >
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> > > > > --
> > > > > Shiran Guez
> > > > > MCSE CCNP NCE1
> > > > > http://cciep3.blogspot.com
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> > > > >
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> > > Shiran Guez
> > > MCSE CCNP NCE1
> > > http://cciep3.blogspot.com
> > > http://www.linkedin.com/in/cciep3
> > >
> >
> >
>
>
> --
>
> Shiran Guez
> MCSE CCNP NCE1
> http://cciep3.blogspot.com
> http://www.linkedin.com/in/cciep3
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