38 messages in net.nether.puck.cisco-nsp[c-nsp] VLSM
FromSent OnAttachments
ShaunJan 10, 2005 4:53 pm 
Gert DoeringJan 10, 2005 5:26 pm 
Stephen J. WilcoxJan 10, 2005 5:27 pm 
matthew zeierJan 10, 2005 5:46 pm 
ShaunJan 10, 2005 6:19 pm 
Michael SmithJan 10, 2005 6:26 pm 
Stephen J. WilcoxJan 10, 2005 6:28 pm 
lis...@hojmark.orgJan 10, 2005 6:55 pm 
Brant I. StevensJan 10, 2005 11:25 pm 
Gert DoeringJan 11, 2005 2:33 am 
Stephen J. WilcoxJan 11, 2005 6:11 am 
Mark PersikoJan 11, 2005 10:49 am 
Gert DoeringJan 11, 2005 11:22 am 
Hudson Delbert J Contr 61 CS/SCBNJan 11, 2005 12:11 pm 
Brant I. StevensJan 11, 2005 12:45 pm 
Pete TemplinJan 11, 2005 12:52 pm 
Stephen J. WilcoxJan 11, 2005 1:30 pm 
Stephen J. WilcoxJan 11, 2005 1:39 pm 
Pete TemplinJan 11, 2005 2:09 pm 
Gert DoeringJan 11, 2005 2:47 pm 
Gert DoeringJan 11, 2005 2:48 pm 
matthew zeierJan 11, 2005 3:09 pm 
lis...@hojmark.orgJan 11, 2005 5:22 pm 
Anson RinesmithJan 11, 2005 5:47 pm 
Michael LoftisJan 11, 2005 5:57 pm 
Stephen J. WilcoxJan 11, 2005 7:23 pm 
Stephen J. WilcoxJan 11, 2005 7:37 pm 
ShaunJan 11, 2005 8:31 pm 
Jon LewisJan 11, 2005 9:48 pm 
Majid FaridJan 12, 2005 12:24 am 
matthew zeierJan 12, 2005 1:23 am 
Ted MittelstaedtJan 12, 2005 1:41 am 
Ted MittelstaedtJan 12, 2005 1:44 am 
Ted MittelstaedtJan 12, 2005 1:51 am 
lis...@hojmark.orgJan 12, 2005 1:18 pm 
lis...@hojmark.orgJan 12, 2005 1:30 pm 
ShaunJan 13, 2005 4:05 am 
Ted MittelstaedtJan 14, 2005 12:29 am 
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Subject:[c-nsp] VLSMActions...
From:Stephen J. Wilcox (ste@telecomplete.co.uk)
Date:Jan 10, 2005 6:28:55 pm
List:net.nether.puck.cisco-nsp

On Mon, 10 Jan 2005, Shaun wrote:

Maybe i wasnt clear about what VLSM is or does.

It's my understanding that you usually take a /24 and carve it up into a number of equal subnets. (ex: /24 cut into 8 /27's). I was asking on efnet

no, this hasnt been the case for many years since classless behaviour was invented in or around '92 which allowed for subnets to each have their own netmask rather that a single netmask applied to the whole classful network

in #ciscohelp if it was possible to carve a /24 up into multiple CIDR's (ex: /29's /28's /27's etc). They said yes and pointed me to VLSM but they did not recommend that i do this.

dont go back to #ciscohelp on efnet, they're either not understanding you or are not very good. people by default take their assignment (/20 or whatever) and carve them up as required, /24 is not a special size and hasnt been since 'Class C' ceased to have meaning

So my question is, if it is possble and proper can i carve a /24 up into diffrent CIDR's or should i stick with carving it up into equal subnets.

break it up however you wish, it will all work

Steve