IP schema change process

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Sep 8th, 2010
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We are planning to move over to class A from class C. Is there any cisco tool with which I could design my new network with the new schema range without any confusion and test my entire setup? We have 3 offices spread across 3 countries and I think I have a bit of network designing to do here.

Thanks for any help.

- Ribin

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Jon Marshall Wed, 09/08/2010 - 12:27
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Not aware of any tools but key thngs to be aware of -

1) Make sure you have enough spare capacity in each site so that you have room for growth

2) Make sure you can summarise your class C's per site - if you do this well you should only need to advertise one address per site which has the following benefits -

i) much smaller routing tables

ii) any link within each site will not propogate between sites because the other sites only see the summarised address

iii) make sure any loopbacks etc. you use for management within each sites are contained with the summary address per site



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