configure a /24 or shorter on the interface receiving the updates... ;->

seriously, RIP will accept routes over a particular interface 1) by assuming
that the incoming routes have the same mask as is used on that interface OR
2) at the classfull boundary.

therefore, if the interface mask is a /24, then all routes from the same
classfull network will be assumed to have that same /24 mask. Other networks
will be assumed to be classfull.

Example:

interface = 10.1.1.1/24 then 10.121.121.0 will be assumed to be a /24,
10.1.2.0 will be assumed to be a /24, but 11.115.244.0 will be assumed to be
a /8

hope that helps.

Chuck


""Aamer Kaleem""  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> How to configure RIP not to accept routes with subnet mask longer than 24
> bits....any ideas
>
> Thank you,
>
> Aamer




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