Dave, GE means "greater than or equal to", while LE means "less than or equal to."
So, a prefix list that has "ge 25" would only match prefixes with masks of /25 or greater. If you had "le 24" it would match prefixes with masks less than or equal to 24. John ________________________________________________ Get your own "800" number Voicemail, fax, email, and a lot more http://www.ureach.com/reg/tag ---- On Mon, 4 Feb 2002, McCallum, Robert (Robert.McCallum@let- it-be-thus.com) wrote: > gt = greater than so gt /23 = subnets with a mask of above /23. > lt = less than so lt /17 = subnets with a mask less than /17. > > so using prefix lists can you give me an answer which would do the > following:- > > 1. Deny subnets of class B networks > 2. Deny supernets of Class C networks > 3. Deny networks starting 193.x.x.x > 4. permit all else. > > For the 1st one ask yourself what makes a class B network a Class B > network? From this you will find out what your /x prefix should be. > Then what mask = subnets of a class B network gt or lt. > > and so on > > -----Original Message----- > From: dk [mailto:[EMAIL PROTECTED]] > Sent: 04 February 2002 12:07 > To: [EMAIL PROTECTED] > Subject: prefix lists .. [7:34312] > > > Can anyone help me get a handle on the "ge" and "le" options on prefix > lists? > I find them totaly confusing. > > Thanks in advance for any advice offered > > David > ________________________________________________________________ _ > CCIE Security list: http://www.groupstudy.com/list/security.html > ________________________________________________________________ Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=34323&t=34312 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]
