""JohnZ""  wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Hi group,
> Can some one explain the difference between to two prefix lists below:
>
> ip prefix-list r4supernet seq 5 permit 192.100.0.0/18

CL: permits the single subnet 192.100.0.0 255.255.192.0

>
> and
>
> ip prefix-list r4supernet seq 5 permit 192.100.0.0/18 le 32


CL: permits any and all subnets of 192.100.0.0 255.255.192.0, with a prefix
length of 32 or less. This means the host address / host route of
192.100.0.1 255.255.255.255, or a subnet 192.100.224.0 255.255.224.0 ( /19 )
for example. I suppose a clearer way to express this might be that it
permits any subnet with a prefix length from /18 through /32, including a
/19, a /24, or a /28 as an example.



>
> Thanks




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