Re: Question: ip ospf network point-to-multipoint vs

That's good to know. What if it is on a fastethernet interface? Does
that make a difference?

Justin G. Mitchell
http://www.google.com/profiles/jgmitchell

On Sun, Oct 18, 2009 at 2:14 PM, Narbik Kocharians <narbikk_at_gmail.com> wrote:
> Justin,
>
> Just to add whats been said here, it provides spoke to spoke reachability
> without having to configure bunch of frame-relay maps.
>
> On Sun, Oct 18, 2009 at 12:11 PM, Joe Astorino <jastorino_at_ipexpert.com>
> wrote:
>>
>> If you are doing mpls in a hub n spoke frame setup it usually is needed
>> ------Original Message------
>> From: Justin Mitchell
>> To: jastorino_at_ipexpert.com
>> Cc: CCIE Groupstudy
>> Subject: Re: Question: ip ospf network point-to-multipoint vs
>> point-to-point
>> Sent: Oct 18, 2009 3:02 PM
>>
>> Didn't think about the timer difference...
>>
>> What if there is no requirement for a specific timer? As long as the
>> interface type is the same on each side the adjacency forms without an
>> issue though.
>>
>> Is there an advantage to advertising the /32 route?
>>
>> Justin G. Mitchell
>> http://www.google.com/profiles/jgmitchell
>>
>>
>>
>> On Sun, Oct 18, 2009 at 1:56 PM, Joe Astorino <jastorino_at_ipexpert.com>
>> wrote:
>> > Timers are different as well
>> > ------Original Message------
>> > From: Justin Mitchell
>> > Sender: nobody_at_groupstudy.com
>> > To: CCIE Groupstudy
>> > ReplyTo: Justin Mitchell
>> > Subject: Question: ip ospf network point-to-multipoint vs point-to-point
>> > Sent: Oct 18, 2009 2:44 PM
>> >
>> > What is the real difference between these two commands during
>> > configuration?
>> >
>> > I know ip ospf network point-to-multipoint sends to a multicast
>> > address but includes a /32 route while the point-to-point just sends
>> > to a multicast address.
>> >
>> > The lab I am working shows the configuration using
>> > point-to-multipoint. The requirements for the question were
>> > * no DRs in the area consisting of vlan 20 and 50
>> > * Unicast packets on vlan 20
>> > * Mulitcast packets on vlan 50
>> >
>> > I understand the reasoning for using ip ospf network
>> > point-to-multipoint non-broadcast on the one link, but not ip ospf
>> > network point-to-multipoint when point-to-point will accomplish the
>> > desired result.
>> >
>> > Justin G. Mitchell
>> > http://www.google.com/profiles/jgmitchell
>> >
>> >
>> > Blogs and organic groups at http://www.ccie.net
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>> >
>> >
>> >
>> >
>> >
>> >
>> >
>> > Regards,
>> >
>> > Joe Astorino - CCIE #24347 R&S
>> > Technical Instructor - IPexpert, Inc.
>> > Cell: +1.586.212.6107
>> > Fax: +1.810.454.0130
>> > Mailto: jastorino_at_ipexpert.com
>>
>>
>> Regards,
>>
>> Joe Astorino - CCIE #24347 R&S
>> Technical Instructor - IPexpert, Inc.
>> Cell: +1.586.212.6107
>> Fax: +1.810.454.0130
>> Mailto: jastorino_at_ipexpert.com
>>
>>
>> Blogs and organic groups at http://www.ccie.net
>>
>> _______________________________________________________________________
>> Subscription information may be found at:
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>>
>>
>>
>
>
>
> --
> Narbik Kocharians
> CCSI#30832, CCIE# 12410 (R&S, SP, Security)
> www.MicronicsTraining.com
> Sr. Technical Instructor
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Received on Sun Oct 18 2009 - 14:20:41 ART