Re: Regarding OSPF

Bcoz in point-to-multipoint network layer3 to layer2 resolution required and
router is expecting multiple OSPF neighbors on a single interface thats why
we have to specify neighbor in point-to-multipoint related configuration

Regards
Nadeem

On Thu, Apr 2, 2009 at 12:48 PM, sanju shastri <cuteboysanju_at_gmail.com>wrote:

> Good explanation Friends!!!
>
> Just a question why it only works on point-to-multipoints interfaces.
> It means there is some difference the way database is exchanged on
> point-to-multi point and other network types.
>
> Regards
>
> On Thu, Apr 2, 2009 at 10:35 AM, GAURAV MADAN <gauravmadan1177_at_gmail.com
> >wrote:
>
> > Absolutely Ravi !
> >
> > Documentation wont tell you A to Z .
> > But messge the you are getting could make the things absolutely clear :)
> >
> > Just remember 2 thing :
> > [A] " Neighbor cost " will work on point-to-multipoint
> > [B] "Neighbor database filter " will work on point-to-multipoint.
> >
> > If you violate these ; you will get proper error :)
> >
> > HTH
> > Gaurav Madan
> > CCIE
> >
> > On Thu, Apr 2, 2009 at 6:08 AM, Ravi Singh <way2ccie_at_googlemail.com>
> > wrote:
> >
> > > Hi Raghav,
> > >
> > > While you are correct in that the link does not specify explicitly
> > > that this command is used on point-to-multipoint network type, I would
> > > not say that the link is wrong because the OSPF configuration guide
> > > specifies these differences clearly in detail. Here is the link , just
> > > in case , you wished to have a look ( please mind the word wrap)
> > >
> > >
> > >
> >
> http://www.cisco.com/en/US/docs/ios/iproute/configuration/guide/irp_ospf_cfg_ps6350_TSD_Products_Configuration_Guide_Chapter.html#wp1054763
> > >
> > > So, I presume the command reference in this case expects us to know in
> > > advance the scope of the usage of the command .I agree, Cisco
> > > documentation sometimes does suck. ;-)
> > >
> > > HTH,
> > >
> > > Ravi
> > >
> > > On Wed, Apr 1, 2009 at 11:58 PM, Raghav Bhargava
> > > <raghavbhargava12_at_gmail.com> wrote:
> > > > Hi Experts,
> > > > when we have to stop the LSA's to go out to a specific neighbor we
> use
> > > this
> > > > command:-
> > > >
> > > > neighbor x.x.x.x database-filter all out
> > > >
> > > > under the OSPF process. Now for using this command the neighbors
> should
> > > be
> > > > on point-to-multipoint network type.
> > > >
> > > > I was checking this link
> > > >
> > > >
> > >
> >
> http://www.cisco.com/en/US/docs/ios/12_0/np1/command/reference/1rospf.html
> > > >
> > > > but it does not mentions about changing the network type. Although
> when
> > i
> > > > tried it it gave me a message that this command can be applied only
> on
> > > NBMA
> > > > or point-to-multipoint networks
> > > >
> > > >
> > > > So is this link wrong..:)
> > > > --
> > > > Warm Regards
> > > > Raghav
> > > >
> > > >
> > > > Blogs and organic groups at http://www.ccie.net
> > > >
> > > >
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> >
> >
> >
> >
> >
>
>
> --
> Regards,
> Sanju
> CCIE R&S
> ^23[0-9][0-9][0-9]$
>
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>
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Received on Thu Apr 02 2009 - 14:33:39 ART