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Question about Private IP Addressing

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DSOFT

Technical User
Nov 18, 2001
52
US
Hi:

I have a WAN with private addressing (mask 255.255.248.0), the WAN now use:

172.16.8.x
172.16.16.x

172.17.8.x
172.17.16.x

172.18.8.x
172.18.16.x

I think that i can use:

172.16.8.x
172.16.16.x
172.16.24.x
172.16.32.x
172.16.40.x
172.16.48.x

Is this new addressing scheme more simple that the other? what do you think about the two schemes?

Thanks a lot!!
 
HI.

If it is working fine now, why change?

Your suggestion can work, but you should try and see.

Some routing protocols like RIP might have problems if not configured with classless addressing, since in some circumstances they might use the default class B mask 255.255.0.0 for 172.16.x.x addresses, and this can cause you some problems.

Anyway, that seems like a routing issue and not directly related to pix.

Bye
Yizhar Hurwitz
 
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