outside of lab exercises, one might consider using /24's or other full subnets for purposes of NAT pool addresses.
that's about all I can think of. Chuck ""Walker, Jim"" wrote in message [EMAIL PROTECTED]">news:[EMAIL PROTECTED]... > Your friend is right. Why would you use anything other than a /32 bit mask > on a virtual interface? > You are not going to route using the loopback address are you? > > > > Jim Walker > Master Network Engineer > Partners HealthCare System, Inc. > Information Systems / Technical Services & Operations > Tel. (617) 732-8803 > Fax (617) 264-5130 > This e-mail message and any attachments are confidential and may be > privileged. If you are not the intended recipient, please notify me > immediately by replying to this message and please destroy all copies of > this message and attachments. Thank you. > > > > -----Original Message----- > From: Joshua Dughi [mailto:[EMAIL PROTECTED]] > Sent: Thursday, January 17, 2002 3:23 PM > To: [EMAIL PROTECTED] > Subject: Loopback IP masking - 32 or 24 bits? or? [7:32345] > > > Hi, all; > > I recently started considering why I might want to have a 32-bit mask > for my loopbacks as opposed to some other scheme - for instance using > the regularly documented 24-bit mask on a loopback. > > I am speaking of course, of: Interface Loopback0 > IP Address 10.0.0.1 > 255.255.255.0 > > versus approaching this matter in this fashion: > > Interface Loopback0 > IP Address 10.0.0.1 > 255.255.255.255 > > So, my questions are: 1) > Has any one here seen a detailed discussion of this matter? > Can you provide me a link to it? > > 2) Based on what a friend of mine feels, his view is that there > is never any benefit to having a 24-bit, or 28, or 29-bit mask on a > loopback. In his view, loopbacks will always need to be, very logically, > used with 32-bit masks. > > Can anyone please shed some light on this matter? > > Thank you. > > Joshua Dughi Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=32347&t=32345 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]