RE: RIP V1 VLSM

From: Tony Schaffran \(GS\) <groupstudy_at_cconlinelabs.com>
Date: Tue, 16 Feb 2010 09:46:09 -0800

I am not sure. This is not what I would expect of RIPv1.
 
Maybe somebody with a more technical answer can chime in.
 
As this has not been a topic of the CCIE blueprint for some time now and I
have not come across this in an actual network for even longer, I just do
not have any more knowledge of it.
 
Sorry.
 
Tony Schaffran
Sr. Network Consultant
CCIE #11071
CCNP, CCNA, CCDA,
NNCDS, NNCSS, CNE, MCSE
 
CCOnlineLabs
Your #1 choice for online Cisco rack rentals.
 
 
From: Sarad [mailto:tosara_at_gmail.com]
Sent: Tuesday, February 16, 2010 9:42 AM
To: groupstudy_at_cconlinelabs.com
Cc: Nadeem Rafi; Cisco certification
Subject: Re: RIP V1 VLSM
 
Hi tony,

But as it is a contiguous network it should advertise /16 isnt it? . I
initially thought it should also advertise /24 :(. I am trying to catch what
happen with the debug but it doesnt show much pls share if you can capture
anything on debug which shows why it is not advertising.

Sara
On Tue, Feb 16, 2010 at 11:05 PM, Tony Schaffran (GS)
<groupstudy_at_cconlinelabs.com> wrote:
Interesting. I would not even expect the /16 to be advertised, but it is as
you describe.
 
Also as you describe, the /24 definitely does not get advertised.
 
Tony Schaffran
Sr. Network Consultant
CCIE #11071
CCNP, CCNA, CCDA,
NNCDS, NNCSS, CNE, MCSE
 
CCOnlineLabs
Your #1 choice for online Cisco rack rentals.
 
 
From: Sarad [mailto:tosara_at_gmail.com]
Sent: Tuesday, February 16, 2010 9:31 AM
To: groupstudy_at_cconlinelabs.com
Cc: Nadeem Rafi; Cisco certification

Subject: Re: RIP V1 VLSM
 
Yes I have set it up, as per theory of RIP as it is a contiguous network (10
range) it should send it. When the loopback is a /16 it sends the loopbacks
but when I change it to /24 it doesnt send it. So is this a illustration of
RIPV1 does not support VLSM ?

 
On Tue, Feb 16, 2010 at 10:39 PM, Tony Schaffran (GS)
<groupstudy_at_cconlinelabs.com> wrote:
I do not think RIPv1 will be sending /16

RIPv1 is classless and 10.x.x.x is /8

Have you configured this in a lba to see for yourself?

Tony Schaffran
Sr. Network Consultant
CCIE #11071
CCNP, CCNA, CCDA,
NNCDS, NNCSS, CNE, MCSE
 
CCOnlineLabs
Your #1 choice for online Cisco rack rentals.
 

-----Original Message-----
From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
Nadeem Rafi
Sent: Tuesday, February 16, 2010 8:53 AM
To: Sarad
Cc: Cisco certification
Subject: Re: RIP V1 VLSM

you will not be able to see /24 as rip v1 will be sending /16 major network
only.

HTH

On Tue, Feb 16, 2010 at 7:39 PM, Sarad <tosara_at_gmail.com> wrote:

> Hi Expert,
>
> If I have the following scenario, that is two routers connected back to
> back
> with a 10 range /16 ip & there are two loopbacks configured on each router
> with the same class IPs. If I run RIPV1 on this. Will it advertise my
> loopbacks to each other.
>
> R1
> R2
> S0 - 10.1.0.1/16 <---------------------------> S0 -10.1.0.2/16
> L0 - 10.2.0.1/24 L0 - 10.3.0.1/24
>
> Regards
> Sara
>
>
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Received on Tue Feb 16 2010 - 09:46:09 ART

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