I carry public Internet routing in a vrf, and my loopback and internal IGP 
interfaces are in the master/default vrf

Aaron

> On Oct 5, 2023, at 12:24 PM, Javier Gutierrez <gutierr...@westmancom.com> 
> wrote:
> 
> 
> Hi, 
> I have recently encountered some operational differences at my new 
> organization that are not what I have been exposed to before, where the 
> loopback of the core network devices is being set from RFC1918 while on the 
> global routing table. I'm sure this is not a major issue but I have mostly 
> seen that ISPs use global IPs for loopbacks on devices that would and hold 
> global routing.
> My question is, what is the most used or recommended way to do this, if I 
> continue to use RFC1918 I will save some very much desired public address 
> space, but would this come back to bite me in the future?
> 
> 
> Kind regards,
> 
>  
> 
> Javier Gutierrez,
> 
>  
> 
>  

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