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

Satish Patel satish.txt at gmail.com
Wed Jun 22 16:18:38 EDT 2016


This is new too me! never heard before. do we can use 100.64.0.0/16 on
Point to point WAN link??

On Wed, Jun 22, 2016 at 8:50 AM, Brian Turnbow <b.turnbow at twt.it> wrote:
> Hi Satich,
>
> In your position I would  consider using shared address space instead of
> private address space.
> https://tools.ietf.org/html/rfc6598
>
> Best Regards
>
> Brian
>
>
>> -----Original Message-----
>> From: cisco-nsp [mailto:cisco-nsp-bounces at puck.nether.net] On Behalf Of
>> Satish Patel
>> Sent: martedě 21 giugno 2016 04:53
>> To: Cisco Network Service Providers
>> Subject: [c-nsp] Private IP in point to point link on internet
>>
>> This is weird question but i thought let me get opinion from you guys.
>> We have following scenario
>>
>> [ISP]------<Public-IP>-----[Router]-------<Private-IP>-------[L3
>> Switch]------------[Hosts]
>>
>>
>> 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 192.168.100.1/30 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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