[c-nsp] Private IP in point to point link on internet

Satish Patel satish.txt at gmail.com
Mon Jun 20 22:52:59 EDT 2016

This is weird question but i thought let me get opinion from you guys.
We have following scenario


In above diagram we get /24 subnet from ISP for hosts, Now i want to
configure routed network between [Router] and [L3 switch] so can i use
Private IP address (rfc1981)  like instead of Public
IP address, to save public IP address in point to point link. what
would be the disadvantage i will get doing that?

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