Re: IP allocation matrix question?

From: Kevin Baumgartner (kbaumgar@xxxxxxxxx)
Date: Mon Jan 22 2001 - 15:13:42 GMT-3


   
So I was just in ECP1 last week and what the instructor recommended is
take the IP address that is given and divide it into 8.

  So say if network 172.16.0.0 was provided.

  Group 1 - 172.16.0.0- 172.16.32.0
  Group 2 - 172.16.33.0-172.16.64.0
  Group 3 - 172.16.65.0 - 172.16.96.0
  Group 4 - 172.16.97.0 - 172.16.128.0
  Group 5 - 172.16.129.0 - 172.16.160.0
  Group 6 - 172.16.161.0 - 172.16.192.0
  Group 7 - 172.16.193.0 - 172.16.224.0
  Group 8 - 172.16.225.0 - 172.16.254.0

  Then if you need to summarize addresses put into each group.
So if three sets of summarization are required.

  Put into Groups 3,4 and 5.

  Group 3

  172.16.65.0/24
  172.16.66.0/24
  172.16.67.0/24

  This can be easily summarized to 172.16.64.0/24

Group 4

172.16.97.0/24
172.16.98.0/24
172.16.99.0/24

  This can be easily summarized to 172.16.96.0/24

  Group 5

  172.16.129.0/24
  172.16.130.0/24
  172.16.131.0/24

  This can be easily summarized to 172.16.128.0/24

As far as where to put interfaces, he recommended to put all in
Group 1. Again it really depends if any summarization is required.
If this is required for say framerelay it might make sense to use addresses
from another group.

  Kevin

At 10:59 PM 1/22/01 -0800, Dave Martin wrote:
>Does anyone have any good tips for an IP allocation matrix for the lab?
>
>Thanks,
>Dave
>



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