From: Peter Van Oene (pvo@xxxxxxxxxxxx)
Date: Fri Apr 27 2001 - 13:41:34 GMT-3
Was the default route _provided_ by OSPF, or simply configured on the router?
That is a key distinction.
Pete
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On 4/27/2001 at 11:57 AM David Goldsmith wrote:
>Peter,
>
>I don't believe that's true, I have tried this in the lab with OSPF and it
>does change the behavior of the router. If I get time I will verify with
>ISIS. Ip classless is to
>have the router function classless or classful mode.
>
>Thanks,
>Dave G.
>
>
>Peter Van Oene wrote:
>
>> However, it has been verified that configuring IS-IS or OSPF on a router
>will automatically place the router in classless mode regardless of the ip
>classless nob's setting
>>
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>>
>> On 4/27/2001 at 2:57 PM Atif Awan wrote:
>>
>> >This command changes the router's lookup algorithm. No doubt OSPF is a
>> >classless protocol but it only provides the router with the routes, it
>> >does
>> >not in any way affect the way a router determines how to forward
>packets (
>> >that is using the classful or the classless algorithm ).
>> >
>> >>From: "radha rani" <radhaccie@hotmail.com>
>> >>Reply-To: "radha rani" <radhaccie@hotmail.com>
>> >>To: ccielab@groupstudy.com
>> >>Subject: ip classless
>> >>Date: Fri, 27 Apr 2001 10:00:06 -0400
>> >>
>> >>I have a question re: ip classless. My understanding is that if there
>is
>> >>no
>> >>specific route for a subnet in the routing table, this command allows
>the
>> >>router to forward packets to unknown destinations using the default
>route.
>> >>This being the case when the destination is a subnet of a network
>which is
>> >>known to the router.
>> >>
>> >>My question is : since OSPF is a classless protocol, why do I need this
>> >>command to have the router forward packets using the default route. I
>see
>> >>this all the time where the router will not utilize the default route
>> >until
>> >>this command is added.
>> >>
>> >>I can unserstand needing it with IGRP/RIP but why with OSPF?
>> >>
>> >>Can someone expalin. Thanks so much.
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