I have developed a method.

I draw a generic rule like this:

len------------ge-value---------------le-value---------------32

For the command  "ip prefix-list MYLIST permit prefix/24 ge 25"  I put  that
values on the rule:

len=24
ge=25 (values greater than 25 marked with *)
le= not present

24------------25*******************************32

So the command "ip prefix-list MYLIST permit prefix/24 ge 25" match the
prefix length from 25 to 32.

====
For the command  "ip prefix-list MYLIST permit prefix/24 le 28"  I put  the
values on the rule:

len=24
ge= not present
le= 28 (values lower than 28 marked with *)

24***************************28------------32

So the command "ip prefix-list MYLIST permit prefix/24  le 28" match the
prefix length from 24 to 28.

=======
Finally for the command  "ip prefix-list MYLIST permit prefix/24 ge 25 le
28". I put  the values on the rule:
len=24
ge=25
le=28

24----------25***************28--------------32

So the command "ip prefix-list MYLIST permit prefix/24  ge 25 le 28" match
the prefix from 25 to 28.

--------------------------------------------------------------------------
Eng. Paulo Roque
Network Engineer Cisco Certified Network Associate
[EMAIL PROTECTED]


"Dain Deutschman""  escreveu na mensagem
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> Could someone explain to me what the "ge" and "le" options are used for in
a
> prefix list statement?
> Example: ip prefix-list MYLIST permit 11.11.11.0/24 ge le
>
> Thanks!
>
> Dain Deutschman
> CNA, MCP, CCNA
> Data Communications Manager
> New Star Sales and Service, Inc.




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