Re: RIP V1 VLSM

From: Ruhann <groupstudy_at_ru.co.za>
Date: Tue, 16 Feb 2010 22:08:40 +0200

yes the subnet is not sent in the update,
the update sent to the neighbor uses the assigned subnet mask from the
interfaces on which the network is configured.

On Tue, Feb 16, 2010 at 8:44 PM, ben edgar <bedgar2500_at_gmail.com> wrote:
> check this link out
>
> http://www.networksorcery.com/enp/protocol/rip.htm
>
> if you look at the header of the RIP packet
>
> ver1 has no subnet mask field
>
> ver2 header does have a field for the subnet mask
>
> This is why you cannot send a network with a different subnet with RIPv1.
>
> Ben
>
>
>
> On Tue, Feb 16, 2010 at 1:18 PM, Marko Milivojevic <markom_at_ipexpert.com> wrote:
>> On Tue, Feb 16, 2010 at 18:13, Tony Schaffran (GS)
>> <groupstudy_at_cconlinelabs.com> wrote:
>>> That is what I am seeing.
>>>
>>> As long as all the masks are the same, they will be advertised.
>>
>> That's exactly right. Otherwise, RIPv1 has no idea what to do.
>>
>> --
>> Marko Milivojevic - CCIE #18427
>> Senior Technical Instructor - IPexpert
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> --
> Ben Edgar
> CCIE #24646
>
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-- 
<ruhann>
ww.routing-bits.com
Blogs and organic groups at http://www.ccie.net
Received on Tue Feb 16 2010 - 22:08:40 ART

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