RE: FLSM to VLSM redistribution problem

From: Hedi Abdelkafi (Hedi.Abdelk@simac.lu)
Date: Mon Nov 04 2002 - 06:11:54 GMT-3


Hi,

Can someone give me a good explanation to me problem !
I don't mind if it can work or not !
I would like to know WHY !!

Juste answer the following question, please :
why the network 192.190.0.0/16 is NOT redistributed into RIP ?

Is it because 192.190.0.0/16 is not valid network to RIP's point of view ? Normally it should be /24...

Thanks for your help.

-----Original Message-----
From: Jay [mailto:ccienxtyear@hotmail.com]
Sent: samedi 2 novembre 2002 1:23
To: Hedi Abdelkafi; GroupStudy (E-mail)
Subject: Re: FLSM to VLSM redistribution problem

you got it. summarize it as 192.190.100.0/24 and it should show up in R1.

-Jay
----- Original Message -----
From: "Hedi Abdelkafi" <Hedi.Abdelk@simac.lu>
To: "GroupStudy (E-mail)" <ccielab@groupstudy.com>
Sent: Thursday, October 31, 2002 2:23 AM
Subject: FLSM to VLSM redistribution problem

> Hi,
>
> I have a problem with redistribution from OSPF into RIP.
> Here's the topology
>
> R1---RIP---R2---OSPF AREA0---R3---OSPF AREA 10
>
> Network between R1 and R2 : 133.7.23.0/24
> Network between R2 and R3 : 133.7.147.0/24
>
> On R3, the following loopback interfaces are configured (these loopback
are redistributed into the OSPF process) :
> loop 1 : 160.100.100.1/24
> loop 2 : 160.100.128.1/24
> loop 3 : 192.190.100.1/24
> loop 4 : 192.190.101.1/24
> loop 5 : 192.190.102.1/24
>
> I would like that loop 1 and 2 appears as a single route.
> The same for loopback 3,4 and 5.
>
> On R3, I use the following command to create the summary route
> summary-address 192.190.0.0 255.255.0.0
> summary-address 160.100.0.0 255.255.0.0
>
> These summary appears, as expected, on R2.
> Now, I redistribute OSPF into RIP on R2.
>
> On R1, I can only see the 160.100.0.0/16 route !
> Why I cannot see the 192.190.0.0/16 route ?
>
> It is because the redistributed route has not it's normal subnet mask /24
??
>
> Thanks for your help.



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