From: Peter Van Oene (pvo@xxxxxxxxxxxx)
Date: Tue Jan 09 2001 - 11:20:25 GMT-3
A quick reminder not to confuse classless vs classful route lookups and routing
protocols that don't advertise prefix length. These concepts are mutually exc
lusive. For example, you can classlessly route with IGRP simply by enabling IP
Classless. However, this will only influence the way the router matches desti
nations with route table entries and certainly not enable or disable the router
s ability to inject prefix length where it doesn't belong (ie in an IGRP packet
).
That being said, IGRP does not support VLSM and your /27 will show up with a cl
assful prefix length.
Pete
*********** REPLY SEPARATOR ***********
On 1/8/2001 at 11:30 AM Paulo Mendes De Oliveira wrote:
>To my knowledge IGRP is classfull & does not support Classless routes
>
>Dave wrote:
>
>> I am trying to generate a route to go out a IGRP interface which is a =
>> /24. The token Ring intf. IGRP route I want to go out is /27. How do =
>> I do this in IGRP ??
>>
>> Thanks
>> Dave
>>
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