From: Darby Weaver (ccie.weaver@gmail.com)
Date: Tue Oct 14 2008 - 11:37:09 ART
Well I suppose it really depends on the context of the question.
1. Mutual Redistribution may or may not be called for.
2. There may be a case where you may want to perform a redistribute
connected in each protocol? Maybe?
3. There may be a scenario where you may wish to ONLY redistribute the
single connected interface so a route-map might be nice.
4. I'd get use to performing a show interface x/x and using the actual
values of the interface versus 1 1 1 1 1, I do understand some workbooks
recommend "the easy way". These days I like to be more specific.
5. There may be a scenario where you may wish to tag your routes and would
need the route-map to do this.
I suppose there may be other scenarios as well, but these come to my mind as
I read your questions and responses.
Always read the whole lab you are presented with, be specific, and DO NOT go
to the game with pre-conceived notions about what you will or will not do.
You might get very surprised.
On Tue, Oct 14, 2008 at 6:02 AM, <gopal.x.gupta@jpmorgan.com> wrote:
> Agree with you Roger....
> Gops
>
>
>
>
> "Roger RPF" <rpf@bluemail.ch>
> Sent by: nobody@groupstudy.com
> 10/14/2008 02:50 PM
> Please respond to
> "Roger RPF" <rpf@bluemail.ch>
>
>
> To
> "'Reza Toghraee'" <reza@toghraee.com>, "'Cisco certification'"
> <ccielab@groupstudy.com>
> cc
>
> Subject
> AW: Simple Redistribution Question
>
>
>
>
>
>
> Well, since you do not enable RIP on that interface, it is not included in
> the RIP process.
> You do a redistribution, so it's kind of external.
>
> As I said below, If you then redistribute RIP into EIGRP (on the same
> router), this loopback will not being redistributed into EIGRP. You would
> also have to do a redistribute connected on EIGRP and include this
> interface.
>
> Someone else in a forum explained me this once with the words: "It has to
> do
> with who "owns" the route. It's a secondary check to prevent loops in
> redistribution on the local device"
>
> regards
>
> Roger
>
>
>
> -----Urspr|ngliche Nachricht-----
> Von: Reza Toghraee [mailto:reza@toghraee.com]
> Gesendet: Dienstag, 14. Oktober 2008 10:43
> An: 'Roger RPF'; 'Cisco certification'
> Betreff: RE: Simple Redistribution Question
>
> Roger,
>
> Yes my question is about this LoopBack interface. As this interface is
> redistributed into RIP, Do we have to count this loopback as a part of
> RIP,
> and we must redistribute it as a connected into EIGRP?
>
>
> -----Original Message-----
> From: Roger RPF [mailto:rpf@bluemail.ch]
> Sent: Tuesday, October 14, 2008 12:36 PM
> To: 'Reza Toghraee'; 'Cisco certification'
> Subject: AW: Simple Redistribution Question
>
> Yes, you have to, because you only say to redistribute RIP into EIGRP but
> this Loopback is a connected interface.
>
> So then, if you do also a redistribute connected into eigrp and specify a
> route map, you would also have to add the eth0/0 RIP interface into the
> route-map, because this is also a connected interface.
>
> Lab it up, you will see
>
> regards
>
> Roger
>
> -----Urspr|ngliche Nachricht-----
> Von: nobody@groupstudy.com [mailto:nobody@groupstudy.com] Im Auftrag von
> Reza Toghraee
> Gesendet: Dienstag, 14. Oktober 2008 10:21
> An: 'Cisco certification'
> Betreff: Simple Redistribution Question
>
> Hello
>
>
>
> R1 has 2 Ethernet InterfacesE0/0 and E0/1 and a LoopBack 0
>
>
>
> R1 is running RIP on E0/0
>
> R1 is running EIGRP on E0/1
>
>
>
> Task is asking to advertise Loopback into the RIP without "network"
> command.
> So we do redistribution with a route-map to match the loopback interface.
>
> Next
>
> Task is asking redistribute RIP into EIGRP.
>
> For this task I use "redistribute rip metric 1 1 1 1 1"
>
> the router performs a "show ip route rip" and finds the RIP routes
> and
> redistributes them into EIGRP
>
> the router finds the interfaces which are running RIP (in this case
> E0/0), and redistributes it into EIGRP
>
>
>
> now Do we need to manually redistribute the Loopback interface which is
> already redistributed into RIP in previous question, into the EIGRP?
>
>
>
>
>
> Thanks
>
> Reza
>
>
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